Quarter 1

1

Which part of CPU interprets instructions?

A ALU B Register C Control Unit D Cache

2

Nada is creating a program that generates a random number and asks the user to guess it. The user's guess is:

A Processing B Output C Input D Storage

3

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

4

Which generation introduced integrated circuits?

A Second B Third C Fourth D First

5

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

6

Maha is preparing a presentation on the evolution of computer memory. She finds that magnetic core memory was used in the 1950s and 60s. What type of memory is it considered?

A Primary memory (RAM) B Secondary storage (Hard drive) C Cache memory D Virtual memory

7

Ali is studying how computers evolved and reads that first-generation computers used vacuum tubes. He is comparing them to modern computers. Based on the textbook, what should Ali answer as the main disadvantage of vacuum tubes?

A They were too small to handle large data B They generated a lot of heat and were unreliable C They could only process text and not graphics D They used too much water for cooling

8

Which type of memory is non-volatile and holds the boot-up instructions?

A RAM B Cache memory C ROM D Virtual memory

9

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

10

Which memory is fastest?

A Hard Disk B Cache C RAM D ROM

11

Pseudocode is:

A A programming language B A hardware tool C An informal way to write algorithms D An output device

12

The I-P-O model stands for:

A Input-Process-Output B Insert-Print-Output C Input-Program-Order D Instruction-Process-Operation

13

What does the Control Unit in a computer system do?

A Performs arithmetic operations B Stores data permanently C Directs the operation of the processor D Connects to the internet

14

Sultan is studying the Von Neumann architecture. He learns that the CPU contains registers. What is the purpose of a register?

A To store large amounts of data permanently B To hold a single piece of data or instruction temporarily for the CPU C To connect the CPU to the internet D To provide power to the CPU

15

Bilal is designing a system to predict the weather. He simplifies the problem by focusing on temperature, pressure, and humidity. What principle is this?

A Decomposition B Abstraction C Pattern recognition D Algorithm design

16

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

17

Rami is studying the types of computer software. He knows that an operating system is system software. Which of the following is also system software?

A Microsoft Excel B Anti-virus software (utility) C Adobe Photoshop D Google Chrome

18

Computational thinking can be applied:

A Only in computers B Only in programming C In daily life problems D Only in mathematics

19

Which memory is non-volatile?

A RAM B Cache C ROM D Register

20

Hanan is designing a system to manage a library. She identifies that the system needs to track books, members, and loans. What is she doing?

A Identifying the problem B Designing the solution C Implementing the solution D Testing the solution

21

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

22

Salma is learning about systems and their types. She defines a system as having inputs, processes, and outputs. Based on the textbook, which component of a computer system provides the 'input'?

A The CPU processing data B The user typing on a keyboard C The monitor displaying a result D The RAM storing data

23

Rashid is comparing the features of system and application software. Based on the textbook, which statement is true about system software?

A It is designed to perform specific tasks for the user B It manages and controls the hardware resources C It is developed by end-users D It is optional for the computer to run

24

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

25

Rayan is explaining the Von Neumann architecture to his class. He mentions that the system has a single shared memory for both instructions and data. What is a key advantage of this design?

A It is cheaper to manufacture B It allows for self-modifying code and flexibility C It separates data from instructions to prevent errors D It eliminates the need for an operating system