Computer Science Paper 1

Question 1

What does CPU stand for?

Answer 1

Central Processing Unit

Question 2

True or False: RAM is non-volatile memory.

Answer 2

False

Question 3

Fill in the blank: The main function of the __________ is to execute instructions.

Answer 3

CPU

Question 4

What is the primary purpose of an operating system?

Answer 4

To manage computer hardware and software resources.

Question 5

Which of the following is a type of software? A) Hardware B) Operating System C) Network

Answer 5

B) Operating System

Question 6

What does ‘algorithm’ mean?

Answer 6

A step-by-step procedure for solving a problem.

Question 7

True or False: A variable in programming can only store one type of data.

Answer 7

False

Question 8

What is the purpose of a loop in programming?

Answer 8

To repeat a block of code multiple times.

Question 9

What is the binary representation of the decimal number 5?

Answer 9

101

Question 10

Fill in the blank: The __________ is used to store data temporarily while a computer is on.

Answer 10

RAM

Question 11

What does ‘HTML’ stand for?

Answer 11

HyperText Markup Language

Question 12

Which of the following is NOT a programming language? A) Python B) HTML C) Java

Answer 12

B) HTML

Question 13

What is a ‘function’ in programming?

Answer 13

A block of code designed to perform a particular task.

Question 14

True or False: An array can hold multiple values of the same data type.

Answer 14

True

Question 15

What is the purpose of a compiler?

Answer 15

To translate source code into machine code.

Question 16

Fill in the blank: The __________ is the brain of the computer.

Answer 16

CPU

Question 17

What does ‘URL’ stand for?

Answer 17

Uniform Resource Locator

Question 18

Which of the following is an example of an input device? A) Monitor B) Keyboard C) Printer

Answer 18

B) Keyboard

Question 19

What is ‘debugging’?

Answer 19

The process of finding and fixing errors in code.

Question 20

True or False: A ‘byte’ consists of 8 bits.

Answer 20

True

Question 21

What is a ‘database’?

Answer 21

An organized collection of data that can be accessed and managed.

Question 22

Fill in the blank: The __________ is responsible for sending data to the printer.

Answer 22

CPU

Question 23

What does ‘HTTP’ stand for?

Answer 23

HyperText Transfer Protocol

Question 24

Which of the following is a type of malware? A) Firewall B) Virus C) Router

Answer 24

B) Virus

Question 25

What is 'encryption'?

Answer 25

The process of converting information into a code to prevent unauthorized access.

Question 26

True or False: A 'bit' can have a value of either 0 or 1.

Answer 26

True

Question 27

What is the role of an operating system in a computer?

Answer 27

To manage hardware and software resources and provide services for computer programs.

Question 28

Fill in the blank: __________ is the practice of protecting computer systems from theft or damage.

Answer 28

Cybersecurity

Question 29

What does 'ISP' stand for?

Answer 29

Internet Service Provider

Question 30

Which of the following is a web browser? A) Google B) Chrome C) HTML

Answer 30

B) Chrome

Question 31

What is 'cloud computing'?

Answer 31

The delivery of computing services over the internet.

Question 32

True or False: A 'network' is a collection of computers that can communicate with each other.

Answer 32

True

Question 33

What is the function of a router?

Answer 33

To direct data packets between networks.

Question 34

Fill in the blank: __________ is the process of converting source code into executable code.

Answer 34

Compilation

Question 35

What does 'GUI' stand for?

Answer 35

Graphical User Interface

Question 36

Which of the following is an output device? A) Scanner B) Monitor C) Keyboard

Answer 36

B) Monitor

Question 37

What is 'phishing'?

Answer 37

A fraudulent attempt to obtain sensitive information by disguising as a trustworthy entity.

Question 38

True or False: The 'internet' and 'World Wide Web' are the same thing.

Answer 38

False

Question 39

What is the purpose of 'data validation'?

Answer 39

To ensure that data entered into a system is accurate and useful.

Question 40

Fill in the blank: __________ is a type of programming error that occurs when the program does not run as intended.

Answer 40

Bug

Question 41

What does 'SQL' stand for?

Answer 41

Structured Query Language

Question 42

Which of the following is an example of a programming paradigm? A) Procedural B) Internet C) Database

Answer 42

A) Procedural

Question 43

What is the purpose of a 'header' in a webpage?

Answer 43

To contain metadata and links to scripts and stylesheets.

Question 44

True or False: A 'class' in programming is a blueprint for creating objects.

Answer 44

True

Question 45

What is 'open-source software'?

Answer 45

Software with source code that anyone can inspect, modify, and enhance.

Question 46

Fill in the blank: The __________ is a key component of a computer responsible for permanent data storage.

Answer 46

Hard Drive

Question 47

What does 'VPN' stand for?

Answer 47

Virtual Private Network

Question 48

Which of the following is a benefit of using algorithms? A) Increase complexity B) Simplify problem-solving C) Limit options

Answer 48

B) Simplify problem-solving

Question 49

True or False: A 'syntax error' occurs when the code does not follow the rules of the programming language.

Answer 49

True

Question 50

What is the purpose of 'version control'?

Answer 50

To manage changes to source code over time.

Question 51

Fill in the blank: __________ is a standard protocol for sending email messages.

Answer 51

SMTP

Question 52

Which of the following is a type of data structure? A) Array B) Monitor C) Keyboard

Answer 52

A) Array

Question 53

True or False: A 'server' provides resources and services to other computers in a network.

Answer 53

True

Question 54

What is the function of a 'firewall'?

Answer 54

To protect a network by controlling incoming and outgoing traffic.

Question 55

Fill in the blank: __________ is the act of copying data from one location to another.

Answer 55

Backup

Question 56

What does 'IoT' stand for?

Answer 56

Internet of Things

Question 57

What is 'blockchain'?

Answer 57

A decentralized digital ledger that records transactions across many computers.

Question 58

True or False: A 'cookie' is a small piece of data stored on a user's computer by a web browser.

Answer 58

True

Question 59

What does the ROM store?

Answer 59

stores data permanently and cannot be written over or erased.

Question 60

What data is stored on ROM?

Answer 60

firmware, BIOS, UEFI

Question 61

What is the difference between RAM and ROM?

Answer 61

RAM- stores data while your working on it. Volatile meaning data disappears when power is lost. ROM- Stores the instructions for your computer Non volatile, so data remains when power is lost

Question 62

Why do we need virtual memory?

Answer 62

It enables data that is in the RAM and not currently being used to be transferred to the hard disk.

Question 63

How does virtual memory work?

Answer 63

Virtual memory uses the computers hardware and software to move data between RAM and the hard disk.

Question 64

Why do we have primary storage?

Answer 64

it allows the cpu to quickly access the data and instructions needed for active computations

Question 65

What is cache?

Answer 65

a temporary small piece of storage space for data that can be accessed faster than RAM

Question 66

What is a register?

Answer 66

a small fast piece of storage within a cpu that holds data needed for processing

Question 67

What is the MAR?

Answer 67

(Memory Address Register) a fast piece of memory that stores the address for memory locations.

Question 68

What is the MDR?

Answer 68

(Memory Data Register) a register in the CPU that temporarily stores data being transferred from the main memory.