Computer Science for IGCSE & O level - Software (Section 1)

1
What is the purpose of an operating system's kernel?
إجابة
(B)
To manage the hardware and provide core services.
2
What is the main goal of disk defragmentation?
إجابة
A
D
3
What happens during the 'decode' stage of the Fetch-Decode-Execute cycle?
إجابة
(C)
The instruction is translated into commands the CPU can understand.
4
Which of the following features is commonly found in an IDE's code editor?
إجابة
A
B
5
What does the acronym 'GUI' stand for?
إجابة
(C)
Graphical User Interface
6
What is the main function of the Task Manager in an operating system?
إجابة
(C)
To provide information about running processes and system performance.
7
What does 'RAM' stand for?
إجابة
(A)
Random Access Memory
8
What are the advantages of high-level programming languages?
إجابة
A
D
9
What component of the operating system is responsible for managing the computer's memory?
إجابة
(B)
The Memory Manager
10
What is the main function of a 'compiler'?
إجابة
(B)
To translate the entire program into machine code.
11
What is the function of a buffer?
إجابة
A
C
12
In the context of programming languages, what is assembly language?
إجابة
(B)
A machine-level programming language.
13
In software development, what does syntax highlighting contribute to?
إجابة
(B)
Improved readability of the code.
14
What do you need to use to write a computer program?
إجابة
B
C
15
What is the main function of a compiler?
إجابة
(A)
To translate high-level language code into machine code.
16
What is a key function of the operating system in managing user accounts?
إجابة
(A)
Creating, deleting, and modifying user accounts
17
What does the term 'machine code' refer to?
إجابة
(C)
Binary instructions directly understood by the CPU.
18
What is the primary function of an operating system's 'memory management' component?
إجابة
(B)
To allocate and deallocate memory resources.
19
Which of the following is an example of system software?
إجابة
(C)
Windows 11
20
What is the primary goal of 'compiling' a program?
إجابة
(B)
To translate it into machine code.
21
What type of software is responsible for translating source code into machine code?
إجابة
(B)
Compiler
22
Which of the following best describes an interpreter?
إجابة
(B)
It translates and executes code line by line.
23
What is the main function of a screen saver?
إجابة
(A)
To protect the screen from burn-in and display a visual when the computer is idle.
24
What does the assembler do?
إجابة
(B)
Translates assembly language into machine code.
25
Which interface type is most suitable for a user who has little or no knowledge of how the computer works?
إجابة
(B)
Graphical User Interface (GUI)
26
What is the core function of a CPU (Central Processing Unit)?
إجابة
(B)
To execute instructions.
27
In the Fetch-Decode-Execute cycle, what occurs during the 'decode' stage?
إجابة
(C)
The instruction is translated into actions the CPU can perform.
28
In a simple program using Scratch, what action would the block 'say [Hello] for [2] seconds' perform?
إجابة
(C)
It would display 'Hello' on the screen for two seconds.
29
What is the function of the 'BIOS' or 'UEFI' in a computer?
إجابة
(C)
To initialize hardware and start the operating system.
30
In programming, what is the main benefit of 'auto-completion'?
إجابة
(C)
Faster coding and reduced errors.
31
What is a key function of an API?
إجابة
(B)
To enable communication between different applications.
32
What is the role of a memory management function within an operating system?
إجابة
(B)
To allocate and deallocate memory to different processes.
33
What is the function of an antivirus program?
إجابة
(C)
To detect and remove malware.
34
Which component of the OS is responsible for managing files and directories?
إجابة
(B)
The File Manager
35
Which of the following is a task of an assembler?
إجابة
(A)
Translate source code to machine code.
36
What is a buffer used for?
إجابة
(B)
To temporarily store data while transferring it between different devices or processes
37
What does 'code formatting' mean in an IDE?
إجابة
(C)
Organizing the code to improve readability.
38
Which feature in an IDE can provide suggestions for fixing errors?
إجابة
(C)
Error diagnostics and auto-correction
39
What does the Fetch-Decode-Execute cycle do?
إجابة
(C)
Describes how the CPU processes instructions.
40
Which software category does a web browser belong to?
إجابة
(C)
Application software
41
What is the main function of a kernel?
إجابة
(C)
Managing the computer's core resources.
42
Which of the following is a characteristic of high-level programming languages?
إجابة
B
D
43
In the context of an IDE, what function does a 'debugger' serve?
إجابة
(C)
To find and fix errors.
44
What does the abbreviation 'BIOS' stand for?
إجابة
(A)
Basic Input Output System
45
Which of the following is a typical feature of an Integrated Development Environment (IDE)?
إجابة
(C)
A code editor.
46
Which of the following are features of a command-line interface?
إجابة
B
C
47
Which of the following is a primary disadvantage of high-level languages?
إجابة
(B)
Programs can take longer to write.
48
Which of these best describes the function of an interpreter?
إجابة
(B)
Executes code line by line after translation.
49
What is the primary function of the 'shell' in an operating system?
إجابة
(A)
To provide the user interface.
50
What is a primary purpose of an IDE?
إجابة
(B)
To provide a comprehensive environment for writing and debugging software.