2 Who is known as the father of the computer? A Alan Turing B Charles Babbage C John von Neumann D Bill Gates
4 A system is best defined as: A A random collection of parts B A set of unrelated elements C A group of interrelated components D Only computer hardware
5 Which of the following is a natural system? A Computer B Traffic system C Solar system D Banking system
9 Von Neumann architecture is based on the concept of: A Separate memory for data and instructions B No memory usage C Single memory for data and instructions D Cloud storage
10 Which component is NOT part of Von Neumann architecture? A ALU B Control Unit C Secondary Storage D Memory Unit
18 Software engineering mainly deals with: A Designing hardware B Developing software C Repairing computers D Network cabling
19 Hardware engineering focuses on: A Programming B System analysis C Physical components D Database design
20 Which of the following is system software? A MS Word B Operating System C Web Browser D Spreadsheet
21 Which software is used to perform specific tasks? A System software B Utility software C Application software D Firmware
23 Data communication refers to: A Processing data B Storing data C Transferring data D Deleting data
24 Which component is essential for data communication? A Sender B Receiver C Transmission medium D All of these
29 Which bus controls timing and control signals? A Data bus B Address bus C Control bus D Expansion bus
30 Which software manages hardware resources? A Application software B System software C Utility software D Firmware
34 Which software helps in system maintenance? A Application software B Utility software C System software D Programming software
35 Which of the following is an example of data? A Processed report B Raw facts C Summary D Conclusion
36 Which component sends data from CPU to memory? A Data bus B Control bus C Address bus D Expansion slot
38 Which component is required at both ends of data communication? A Sender and receiver B CPU and RAM C Modem only D Hard disk
41 Which software is required to run a computer? A Application software B Utility software C Operating system D Antivirus
42 Which element is NOT part of data communication? A Sender B Receiver C Printer D Transmission medium
44 What is a problem in computational thinking? A A computer virus B A situation that needs a solution C A programming language D A hardware device
45 Which of the following best defines a computing problem? A A problem solved without steps B A problem that can be solved using a computer C A problem related only to mathematics D A problem with no solution
46 Problem solving mainly involves: A Guessing answers B Following random steps C Finding a systematic solution D Avoiding the problem
47 Which is the first step in problem solving? A Testing the solution B Understanding the problem C Writing code D Drawing charts
48 The I-P-O model stands for: A Input-Process-Output B Insert-Print-Output C Input-Program-Order D Instruction-Process-Operation
50 Processing in the I-P-O model means: A Displaying results B Storing data C Manipulating input data D Entering data
52 An I-P-O chart is used to: A Store data B Design hardware C Represent problem solution steps D Write programs only
54 Computational thinking mainly focuses on: A Using computers only B Thinking like a computer scientist C Learning programming languages D Using hardware devices
55 Which of the following is a key idea of computational thinking? A Speed B Accuracy C Decomposition D Storage
56 Decomposition means: A Ignoring the problem B Breaking a problem into smaller parts C Solving problems randomly D Combining all problems
57 Pattern recognition helps in: A Writing code faster B Identifying similarities in problems C Increasing memory D Storing data
58 Abstraction in computational thinking means: A Focusing on unnecessary details B Ignoring important details C Focusing on important details only D Avoiding problem solving
59 An algorithm is: A A programming language B A set of step-by-step instructions C A computer device D An output
61 Which of the following is NOT a principle of computational thinking? A Decomposition B Pattern recognition C Abstraction D Compilation
62 Identifying a computing problem requires: A Understanding inputs and outputs B Writing code first C Ignoring requirements D Testing solutions
63 Which of the following best represents input? A Processed data B User-entered values C Final result D Printed report
65 An I-P-O chart is mainly useful during: A Execution stage B Problem analysis stage C Hardware installation D Data storage
68 Pseudocode is: A A programming language B A hardware tool C An informal way to write algorithms D An output device
69 Which of the following is easier to understand for beginners? A Machine code B Pseudocode C Binary code D Assembly language
71 Computational thinking can be applied: A Only in computers B Only in programming C In daily life problems D Only in mathematics
72 Which is an example of decomposition? A Solving the whole problem at once B Breaking a task into smaller tasks C Ignoring difficult parts D Repeating the same step
73 Pattern recognition helps programmers to: A Avoid errors B Find reusable solutions C Increase memory D Improve hardware
75 Which of the following best defines an algorithm? A A random solution B A clear and finite set of steps C An input device D A software error
78 In problem solving, identifying inputs is important because: A They are outputs B They affect processing C They are optional D They slow the system
79 Which of the following is NOT an input? A Marks entered by user B Numbers typed C Final result D Student age
80 The main goal of problem solving is to: A Write long programs B Find an efficient solution C Use complex logic D Avoid errors only
82 Computational thinking encourages: A Trial and error only B Logical and structured thinking C Memorization D Hardware usage
85 Which thinking skill helps ignore unnecessary details? A Decomposition B Abstraction C Pattern recognition D Algorithm design
87 Why is identifying a problem important? A To skip solution design B To understand what needs to be solved C To write code quickly D To avoid testing
88 Which of the following best describes computational thinking? A Using a computer B Solving problems step by step logically C Learning programming syntax D Storing data
89 What is programming? A Designing pictures B Writing instructions for a computer C Using the internet D Typing documents
91 HTML stands for: A High Text Markup Language B Hyper Text Markup Language C Hyper Tool Mark Language D Home Text Markup Language
95 What is the main purpose of CSS? A To create databases B To style web pages C To write logic D To connect servers
96 CSS stands for: A Creative Style Sheets B Cascading Style Sheets C Computer Style Sheets D Colorful Style Sheets
97 Which CSS property is used to change text color? A font-style B background-color C color D text-align
101 JavaScript is mainly used for: A Styling pages B Database management C Making web pages dynamic D Creating hardware
104 Which function is used to display a message box in JavaScript? A message() B alert() C display() D show()
105 What is debugging? A Writing code B Removing errors from code C Running a program D Saving a file
107 Which error occurs due to wrong program logic? A Syntax error B Logical error C Runtime error D System error
108 Which error is caused by incorrect grammar of code? A Logical error B Runtime error C Syntax error D Network error
109 What is a dynamic website? A Website with fixed content B Website that never changes C Website that responds to user actions D Website without design
110 Which combination is used to create a dynamic website? A HTML only B HTML and CSS C HTML, CSS, and JavaScript D CSS only
115 Which CSS property is used to change background color? A color B background-color C bgcolor D style
121 Which error appears while a program is running? A Syntax error B Logical error C Runtime error D Typing error
131 Which website updates content without reloading the page? A Static website B Offline website C Dynamic website D Local website
132 What is data? A Processed information B Raw facts and figures C Computer program D Output of analysis
133 Which term refers to converting data into useful information? A Data entry B Data storage C Data analysis D Data deletion
134 Which of the following is an example of data? A A conclusion B A report C Student marks D Decision
135 What is the main purpose of data analysis? A To delete data B To organize information C To extract useful patterns D To store data
137 What do we call data represented in numbers? A Qualitative data B Quantitative data C Descriptive data D Unstructured data
138 Which data type describes qualities like color or name? A Quantitative B Numerical C Qualitative D Binary
141 What type of data is stored in tables with rows and columns? A Unstructured data B Structured data C Semi-structured data D Random data
145 Which of the following is an example of semi-structured data? A Relational database B Plain text C XML file D Image file
146 What does Big Data refer to? A Small datasets B Traditional files C Very large and complex datasets D Paper records
148 What does Volume in Big Data mean? A Speed of data B Type of data C Amount of data D Accuracy of data
149 What does Velocity in Big Data describe? A Size of data B Speed of data generation C Type of data D Storage method
151 Which is a common source of Big Data? A Typewriters B Social media C Handwritten notes D Printed books
152 Which technology is commonly used to handle Big Data? A Calculator B Spreadsheet only C Big Data tools D Notebook
153 Why is Big Data important? A It wastes time B It increases paperwork C It helps in better decision making D It deletes information
155 Which of the following is an example of Big Data? A Daily attendance sheet B Student notebook C Global social media posts D Single exam result
156 What is data analysis used for in education? A Decorating classrooms B Analyzing student performance C Writing novels D Drawing charts only
157 Which of the following best describes information? A Unprocessed data B Meaningless facts C Processed and organized data D Random numbers
160 Which tool is commonly used for data analysis at basic level? A Paint B Calculator C Spreadsheet D Browser
161 What is the role of data in decision making? A No role B Creates confusion C Provides evidence D Deletes choices
162 Which of the following best defines Big Data? A Small files B Large and fast-growing data C Paper records D Personal diary
168 Which example shows data analysis? A Collecting marks B Storing files C Finding average marks D Writing notes
170 Why is unstructured data difficult to analyze? A It is small B It lacks fixed format C It is numeric D It is accurate
171 Which of the following is an example of Big Data velocity? A Stored files B Archived records C Live streaming data D Old documents
172 Which concept helps in understanding trends? A Data analysis B Data deletion C Data entry D Data backup
173 Which subject mainly studies data and analysis? A Chemistry B Biology C Computer Science D Geography
174 Which of the following is the best example of qualitative data? A Marks obtained B Student height C Student name D Age
175 What is the first step in data analysis? A Decision making B Data collection C Data deletion D Reporting
176 Which technology was the hallmark of the first generation of computers, used from 1940 to 1956? A Integrated Circuits B Vacuum Tubes C Transistors D Microprocessors
177 Which component of the computer system is often referred to as the 'brain' of the computer? A RAM B Motherboard C CPU (Central Processing Unit) D Hard Disk Drive
178 Which of the following is an example of an operating system, which is a type of system software? A Microsoft Word B Google Chrome C Adobe Photoshop D Microsoft Windows
179 Which type of computer memory is volatile, meaning its contents are erased when the computer is powered off? A RAM (Random Access Memory) B ROM (Read-Only Memory) C SSD (Solid State Drive) D Flash Memory
180 According to the Von Neumann architecture, a computer consists of a CPU, a memory unit, and I/O devices. Where are both program instructions and data stored? A In separate memories B In a single, shared memory C Only within the CPU registers D On the input/output devices
181 In which mode of data transmission can data flow in both directions, but only one direction at a time? A Simplex B Full-duplex C Half-duplex D Multiplex
182 Which device is used to convert digital signals from a computer to analog signals for transmission over telephone lines and vice-versa? A Router B Switch C Hub D Modem
183 In the computer memory hierarchy, which memory is the fastest and has the smallest storage capacity? A CPU Registers B Cache Memory C Main Memory (RAM) D Secondary Storage (HDD/SSD)
184 The discipline that applies principles of engineering to the design, development, maintenance, testing, and evaluation of software is known as: A Hardware Engineering B Computer Architecture C Software Engineering D Network Administration
185 Which bus in a computer system is responsible for transferring the actual data between the processor, memory, and peripherals? A Address Bus B Data Bus C Control Bus D Expansion Bus
186 The invention of the Integrated Circuit (IC) led to the development of which generation of computers? A First Generation B Second Generation C Fourth Generation D Third Generation
187 Which of the following is primarily an input device used to enter text and commands into a computer? A Keyboard B Monitor C Printer D Speaker
188 Which of the following electronic components characterized the first generation of computers? A Vacuum Tubes B Transistors C Integrated Circuits D Microprocessors
189 Which type of memory is volatile, meaning its contents are lost when the computer is powered off? A ROM (Read-Only Memory) B RAM (Random Access Memory) C Flash Memory D Hard Disk Drive
190 Which part of the CPU is responsible for executing instructions and performing arithmetic and logical operations? A Control Unit (CU) B Registers C Arithmetic Logic Unit (ALU) D Cache Memory
191 The core idea of the Von Neumann architecture is the concept of a: A Multi-core processor B Graphical User Interface C Networked System D Stored-program computer
192 In a data communication system, the device that sends the data message is known as the: A Sender B Receiver C Medium D Protocol
193 A system that interacts with its external environment is known as a(n): A Closed System B Open System C Static System D Isolated System
194 Microsoft Windows, macOS, and Linux are prominent examples of which type of software? A Application Software B Utility Software C Operating System Software D Programming Software
195 A web browser, a word processor, and a video game are all examples of: A System Software B Firmware C Device Drivers D Application Software
196 Which bus is used by the CPU to transfer actual data to and from the main memory? A Data Bus B Address Bus C Control Bus D Expansion Bus
197 Which type of high-speed memory is located directly on the CPU or between the CPU and RAM? A Secondary Memory B Cache Memory C Virtual Memory D Read-Only Memory
198 The field concerned with the design, creation, and maintenance of the physical components of a computer is called: A Software Engineering B System Analysis C Hardware Engineering D Network Administration
199 In the hierarchy of computer memory, which of the following is the slowest but has the largest capacity? A CPU Registers B Cache Memory C Main Memory (RAM) D Secondary Storage (HDD/SSD)
200 Which of the following is considered the first general-purpose electronic digital computer? A ENIAC B UNIVAC C MARK-I D ABC
201 Which component of the CPU is responsible for performing arithmetic and logical operations? A Control Unit (CU) B Arithmetic Logic Unit (ALU) C Memory Unit (MU) D Registers
202 Which type of memory is volatile, meaning its contents are lost when the power is turned off? A ROM B SSD C RAM D Flash Memory
203 Which of the following is an example of system software? A Microsoft Word B Adobe Photoshop C A video game D Windows Operating System
204 A set of parallel electrical wires used to transfer data between different components of a computer is called a: A Bus B Port C Cable D Socket
205 A key feature of the Von Neumann architecture is that: A It has separate memory for instructions and data. B It cannot be programmed electronically. C It uses a single storage structure to hold both instructions and data. D It uses vacuum tubes exclusively for processing.
206 What is the first step in problem-solving? A Designing a solution B Identifying the problem C Testing the solution D Implementing the solution
207 In the Input-Processing-Output (I-P-O) model, what does 'Processing' refer to? A The data given to the computer. B The final result displayed to the user. C The actions or operations performed on the data. D The device used to enter data.
208 Which principle of computational thinking involves breaking down a complex problem into smaller, more manageable parts? A Abstraction B Pattern Recognition C Decomposition D Algorithm Design
209 An I-P-O chart is a tool used for: A Writing computer code directly. B Designing the user interface. C Drawing hardware diagrams. D Planning the inputs, processing steps, and outputs of a program.
210 Focusing on the essential details while ignoring irrelevant information is known as: A Abstraction B Decomposition C Pattern Recognition D Algorithm
211 Which of the following is a step-by-step procedure for solving a problem? A A flowchart B An algorithm C A pseudocode D A program
212 Which of the following is an example of a computing problem? A Deciding what to eat for lunch. B Sorting a list of names alphabetically. C Tying your shoelaces. D Painting a picture.
213 Identifying similarities or common characteristics among different problems or within the same problem is called: A Decomposition B Abstraction C Algorithm Design D Pattern Recognition
214 Which of the following best describes Computational Thinking? A A problem-solving process that involves formulating problems and their solutions in a way that a computer can execute. B The process of writing code in a specific programming language like Python or C++. C The study of computer hardware and how it functions. D The ability to use software applications like Microsoft Word or Excel.
215 A graphical representation of the steps in a process or algorithm is called a: A Flowchart B Pseudocode C I-P-O Chart D Data Structure
216 After implementing a solution, what is the crucial final step to ensure it works correctly? A Defining the problem B Analyzing the problem C Testing and debugging D Documenting the process
217 Which of the following is an informal, high-level description of the operating principle of a computer program or other algorithm, using natural language? A Flowchart B Source Code C Compiler D Pseudocode
218 Which principle of computational thinking involves focusing on the essential details while ignoring irrelevant information? A Abstraction B Decomposition C Pattern Recognition D Algorithm Design
219 What is the primary purpose of the 'Input' stage in the I-P-O model? A To display the final result B To provide the necessary data and instructions for the problem C To perform calculations on the data D To store the processed information permanently
220 A step-by-step procedure for solving a problem or accomplishing a task is known as a(n): A Flowchart B Pseudocode C Algorithm D I-P-O Chart
221 What is the main function of an I-P-O Chart in problem-solving? A To write the final computer program B To find patterns in large datasets C To represent the algorithm visually using symbols D To clearly define the required inputs, processing steps, and expected outputs
222 Computational thinking is a problem-solving process that is most closely associated with which field? A Computer Science B Biology C History D Art and Design
223 Which of the following describes a well-defined strategy for problem-solving? A Guessing randomly until a solution is found B Understanding the problem, planning a solution, and then executing the plan C Ignoring the problem and hoping it resolves itself D Asking someone else to solve the problem without any effort
225 Which property is used in CSS to change the background color of an element? A color B font-color C background-color D bgcolor
226 Which tag is used to embed JavaScript code within an HTML file? A <javascript> B <js> C <scripting> D <script>
228 A website that displays the same content for every user is called a: A Dynamic website B Static website C Interactive website D Responsive website
229 The process of finding and fixing errors in a program's source code is known as: A Compiling B Running C Debugging D Designing
230 Which language is primarily used for adding interactivity and client-side functionality to a web page? A JavaScript B HTML C CSS D SQL
233 In CSS, which of the following defines a class selector? A A selector starting with a hash (#) B A selector starting with a period (.) C An HTML tag name D A selector starting with an asterisk (*)
234 Which JavaScript function is commonly used to display a pop-up box with a message? A msg() B console.log() C alert() D display()
235 Which tag is used to define an unordered list (a bulleted list) in HTML? A <ol> B <li> C <list> D <ul>
236 What does HTML stand for? A Hyper Text Markup Language B High-Level Text Machine Language C Hyperlink and Text Markup Language D Home Tool Markup Language
237 In CSS, which property is used to change the text color of an element? A font-color B color C text-color D font-style
238 Which keyword is used to declare a variable in JavaScript whose value can be reassigned? A const B var C let D static
239 The process of finding and fixing errors or bugs in a program's source code is called: A Compiling B Interpreting C Executing D Debugging
241 How do you select an HTML element with the id 'header' in CSS? A .header B #header C header D *header
242 What is the correct HTML for referring to an external script called 'script.js'? A <script href='script.js'> B <script name='script.js'> C <script src='script.js'> D <javascript src='script.js'>
243 Which of the following is primarily a client-side scripting language used to make web pages interactive? A Python B PHP C SQL D JavaScript
244 Which tag is used to define the most important heading in an HTML document? A <h1> B <head> C <h6> D <heading>
245 Where in an HTML document is the correct place to refer to an external style sheet? A In the <body> section B In the <head> section C At the end of the document D In the <footer> section
247 What type of error occurs when a program runs without crashing but does not produce the expected or correct result? A Syntax Error B Runtime Error C Compile-time Error D Logical Error
248 Which HTML tag is used to define the most important heading on a webpage? A <h1> B <h6> C <head> D <p>
249 Which HTML tag is used to link an external CSS file to an HTML document? A <script> B <link> C <style> D <css>
250 What is the primary purpose of JavaScript in web development? A To define the content and structure of a web page. B To style the visual presentation of a web page. C To add interactivity and dynamic behavior to a web page. D To store data on a server.
251 What is the process of finding and fixing errors in a computer program's source code called? A Compiling B Executing C Styling D Debugging
252 Which HTML attribute is used to define inline styles in a single element? A style B class C styles D font
253 In CSS, which selector is used to style a single, unique element on a page? A Class selector (.) B Tag selector (e.g., p) C ID selector (#) D Universal selector (*)
254 What are the raw, unprocessed facts and figures collected from different sources called? A Information B Data C Knowledge D Analysis
255 The process of inspecting, cleaning, transforming, and modeling data to discover useful information is known as: A Data Entry B Data Storage C Data Analysis D Data Collection
256 Which of the following is an example of quantitative data? A Eye color B Favorite food C Student's name D Height of a student in centimeters
257 When raw data is processed, organized, and structured in a given context, it becomes: A Information B A database C A query D A variable
258 In the context of Big Data, what does 'Volume' refer to? A The speed at which data is generated B The different types of data C The amount or size of the data D The accuracy of the data
259 Data that is descriptive and represents categories, such as gender or city names, is called: A Quantitative data B Qualitative data C Numerical data D Time-series data
260 Which of the '3Vs' of Big Data refers to the speed at which new data is generated and processed? A Volume B Variety C Veracity D Velocity
261 Data that is organized in a fixed format, typically in rows and columns like in a database table, is known as: A Structured data B Unstructured data C Semi-structured data D Raw data
262 Which of the following best describes Big Data? A Any data that is stored in a computer's memory. B Extremely large and complex data sets that cannot be easily managed with traditional tools. C Data that is only composed of numbers and text. D A small collection of files stored on a single server.
263 The term 'Variety' in Big Data refers to: A The different forms of data, such as text, images, audio, and videos. B The number of users accessing the data. C The financial value of the data. D The physical location of the data storage.
264 Which of the following is a common example of unstructured data? A A student's roll number in a list B A table of employee salaries C The content of an email message D A list of temperatures recorded daily
265 A company reviews its sales records to identify the most popular products among customers. This activity is an example of: A Data input B Data storage C Data backup D Data analysis
266 When raw data is processed, organized, and structured, it becomes: A Information B A database C Big Data D A variable
267 What is the term for raw, unorganized facts and figures? A Information B Data C Analysis D Process
268 Which of the following is an example of unstructured data? A A table in a relational database B A CSV file C A video file D An XML file
269 Data that is organized in a fixed format, such as in rows and columns of a table, is known as: A Unstructured data B Semi-structured data C Big Data D Structured data
270 The term 'Big Data' refers to data sets that are: A Too large and complex for traditional data-processing application software B Only used by large companies C Stored in a single computer D Always accurate and clean
271 Which of the '3 Vs' of Big Data refers to the different forms of data, such as text, images, and videos? A Volume B Variety C Velocity D Veracity
272 In the context of Big Data, what does 'Velocity' refer to? A The size of the dataset B The different types of data C The speed at which data is generated and processed D The accuracy of the data
273 Which data type has some organizational properties but does not fit into a rigid relational model? Examples include XML and JSON files. A Structured data B Unstructured data C Raw data D Semi-structured data
275 Which of the following is the BEST example of structured data? A An email message B An employee record in a database table C A photograph D A tweet
276 The process of inspecting, cleaning, transforming, and modeling data to discover useful information is called: A Data Entry B Data Storage C Data Analysis D Data Deletion
277 Which characteristic of Big Data refers to the enormous size of the dataset? A Velocity B Variety C Veracity D Volume
278 Which term refers to the process of inspecting, cleaning, transforming, and modeling data to discover useful information and support decision-making? A Data Analysis B Data Storage C Data Entry D Data Collection
279 Which of the following is a primary example of structured data? A A video file from a social media platform. B An employee's record in a database with fields like ID, Name, and Salary. C The text content of a news article. D An audio recording of a customer service call.
280 In the context of Big Data, what does the characteristic 'Variety' refer to? A The speed at which data is created and processed. B The huge quantity or amount of data. C The different forms of data, such as text, images, and videos. D The trustworthiness and quality of the data.
281 The height of students in a class, measured in centimeters, is an example of which type of data? A Qualitative data B Categorical data C Unstructured data D Quantitative data
282 Raw, unorganized facts and figures that need to be processed to become meaningful are known as: A Data B Information C Analysis D Knowledge
283 Which characteristic of Big Data deals with the uncertainty, inconsistency, and trustworthiness of data? A Volume B Velocity C Veracity D Variety