Computer Science for IGCSE & O level - Software (Section 1)
1
What is the purpose of an operating system's kernel?
Хариулт(B)
To manage the hardware and provide core services.
2
What is the main goal of disk defragmentation?
3
What happens during the 'decode' stage of the Fetch-Decode-Execute cycle?
Хариулт(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?
5
What does the acronym 'GUI' stand for?
6
What is the main function of the Task Manager in an operating system?
Хариулт(C)
To provide information about running processes and system performance.
7
What does 'RAM' stand for?
8
What are the advantages of high-level programming languages?
9
What component of the operating system is responsible for managing the computer's memory?
10
What is the main function of a 'compiler'?
Хариулт(B)
To translate the entire program into machine code.
11
What is the function of a buffer?
12
In the context of programming languages, what is assembly language?
Хариулт(B)
A machine-level programming language.
13
In software development, what does syntax highlighting contribute to?
Хариулт(B)
Improved readability of the code.
14
What do you need to use to write a computer program?
15
What is the main function of a compiler?
Хариулт(A)
To translate high-level language code into machine code.
16
What is a key function of the operating system in managing user accounts?
Хариулт(A)
Creating, deleting, and modifying user accounts
17
What does the term 'machine code' refer to?
Хариулт(C)
Binary instructions directly understood by the CPU.
18
What is the primary function of an operating system's 'memory management' component?
Хариулт(B)
To allocate and deallocate memory resources.
19
Which of the following is an example of system software?
20
What is the primary goal of 'compiling' a program?
Хариулт(B)
To translate it into machine code.
21
What type of software is responsible for translating source code into machine code?
22
Which of the following best describes an interpreter?
Хариулт(B)
It translates and executes code line by line.
23
What is the main function of a screen saver?
Хариулт(A)
To protect the screen from burn-in and display a visual when the computer is idle.
24
What does the assembler do?
Хариулт(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?
Хариулт(B)
Graphical User Interface (GUI)
26
What is the core function of a CPU (Central Processing Unit)?
27
In the Fetch-Decode-Execute cycle, what occurs during the 'decode' stage?
Хариулт(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?
Хариулт(C)
It would display 'Hello' on the screen for two seconds.
29
What is the function of the 'BIOS' or 'UEFI' in a computer?
Хариулт(C)
To initialize hardware and start the operating system.
30
In programming, what is the main benefit of 'auto-completion'?
Хариулт(C)
Faster coding and reduced errors.
31
What is a key function of an API?
Хариулт(B)
To enable communication between different applications.
32
What is the role of a memory management function within an operating system?
Хариулт(B)
To allocate and deallocate memory to different processes.
33
What is the function of an antivirus program?
Хариулт(C)
To detect and remove malware.
34
Which component of the OS is responsible for managing files and directories?
35
Which of the following is a task of an assembler?
Хариулт(A)
Translate source code to machine code.
36
What is a buffer used for?
Хариулт(B)
To temporarily store data while transferring it between different devices or processes
37
What does 'code formatting' mean in an IDE?
Хариулт(C)
Organizing the code to improve readability.
38
Which feature in an IDE can provide suggestions for fixing errors?
Хариулт(C)
Error diagnostics and auto-correction
39
What does the Fetch-Decode-Execute cycle do?
Хариулт(C)
Describes how the CPU processes instructions.
40
Which software category does a web browser belong to?
41
What is the main function of a kernel?
Хариулт(C)
Managing the computer's core resources.
42
Which of the following is a characteristic of high-level programming languages?
43
In the context of an IDE, what function does a 'debugger' serve?
44
What does the abbreviation 'BIOS' stand for?
Хариулт(A)
Basic Input Output System
45
Which of the following is a typical feature of an Integrated Development Environment (IDE)?
46
Which of the following are features of a command-line interface?
47
Which of the following is a primary disadvantage of high-level languages?
Хариулт(B)
Programs can take longer to write.
48
Which of these best describes the function of an interpreter?
Хариулт(B)
Executes code line by line after translation.
49
What is the primary function of the 'shell' in an operating system?
Хариулт(A)
To provide the user interface.
50
What is a primary purpose of an IDE?
Хариулт(B)
To provide a comprehensive environment for writing and debugging software.
