3 Zara is reading about the hierarchy of memory. She learns that cache memory is faster than RAM. Based on the textbook, what is the main purpose of cache memory? A To store the operating system permanently B To back up data in case of power failure C To reduce the time for the CPU to access data from RAM D To increase the total storage capacity
5 Which of the following is system software? A MS Word B Operating System C Web Browser D Spreadsheet
6 Which of the following electronic components characterized the first generation of computers? A Vacuum Tubes B Transistors C Integrated Circuits D Microprocessors
7 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
9 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)
10 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
12 Amina is studying the history of computing and reads about Charles Babbage's Analytical Engine. She learns it had a mill and a store. Based on the textbook, what are the modern equivalents of these two parts? A Hard drive and monitor B CPU and memory C Keyboard and mouse D Power supply and motherboard
13 Which bus controls timing and control signals? A Data bus B Address bus C Control bus D Expansion bus
15 Nahla is a teacher explaining the memory hierarchy. She draws a pyramid with registers at the top and magnetic tape at the bottom. Why is cache memory placed above RAM? A It is cheaper than RAM B It has a larger capacity than RAM C It is faster and closer to the CPU D It is non-volatile like ROM
16 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
18 Which element is NOT part of data communication? A Sender B Receiver C Printer D Transmission medium
19 Which software helps in system maintenance? A Application software B Utility software C System software D Programming software