1 Which type of software is designed to help protect data by making copies of files? A Backup software B Spreadsheet software C Word processing software D Graphic design software
2 Which transmission mode allows data to be transmitted in both directions but not at the same time? A Simplex B Half-duplex C Full-duplex D Multiplex
3 Which network topology connects all devices to a central device? A Bus topology B Star topology C Ring topology D Mesh topology
4 What does an operating system do when you run an application? A It creates the application B It manages the application's use of hardware and memory C It deletes the application D It compresses the application
5 How does effective troubleshooting help in ensuring data integrity? A By deleting important files regularly B By preventing data loss and corruption C By sharing passwords openly D By ignoring backups
6 Which strategy can help manage storage space? A Deleting temporary and unnecessary files B Installing more software without removing old ones C Avoiding disk cleanup D Saving large files on the desktop
7 Which OSI layer is responsible for establishing, managing, and terminating sessions between applications? A Session Layer B Presentation Layer C Application Layer D Transport Layer
8 Which software is used for creating spreadsheets? A Microsoft Word B Microsoft Excel C Adobe Photoshop D Windows Media Player
9 What is the purpose of testing a theory in troubleshooting? A To confirm the probable cause B To create new software C To delete all files D To increase internet speed
10 Which practice helps in ensuring data integrity? A Regular backups and updates B Deleting system files C Using weak passwords D Disabling all security software
11 Which component should be checked if the computer does not start and makes a beeping sound? A RAM or hardware components B Printer ink C Screen wallpaper D Mouse pad
12 Which topology uses a single central cable to connect all devices? A Star topology B Ring topology C Bus topology D Mesh topology
13 Which layer of the OSI model is responsible for routing packets between networks? A Physical layer B Data link layer C Network layer D Transport layer
14 What type of software is a file compression tool? A System software B Application software C Utility program D Programming language
15 Sharing troubleshooting knowledge with others helps to: A Assist others and build teamwork B Hide solutions from everyone C Increase hardware faults D Delete useful data
16 What does 'managing storage space' help to prevent? A System slowdown due to full disk B Increase in RAM size C Improvement in internet speed D Decrease in monitor resolution
17 How does troubleshooting help ensure data integrity? A By deleting all data B By identifying and fixing issues that can corrupt data C By increasing hardware failures D By ignoring backup procedures
18 Which of the following is a sign of a hardware failure? A Computer beeps repeatedly at startup B Software updates automatically C Browser opens slowly D Mouse pointer moves smoothly
19 Which program manages computer hardware and provides a platform for applications? A Word processor B Spreadsheet C Operating system D Graphic design software
20 Which of the following is NOT an application software? A MS Word B MS Excel C Adobe Photoshop D Linux
21 How does keeping software updated help a computer system? A It removes the need for backups B It fixes bugs and improves security C It guarantees no hardware failure D It makes the computer heavier
23 In a bus topology, what happens if the main cable fails? A Only one computer is affected B The entire network stops working C Data transfer speeds up D A backup cable is automatically used
24 Which sign may indicate a failing hard disk? A Faster startup than usual B Clicking or grinding noises from the drive C Brighter screen colours D A newly installed wallpaper
25 What does the final step of documenting findings help with? A Future troubleshooting and knowledge sharing B Increasing the computer's speed C Reducing the need for backups D Replacing hardware components