Computer Science for IGCSE & O level - Software (Section 13)
1
What is the primary function of an operating system?
2
Which of the following are types of translators?
3
What kind of program typically provides options for saving and restoring previous versions of files?
4
What is the primary function of memory management in an operating system?
Trả lời(C)
To assign memory to programs.
5
Which of the following are examples of system software?
6
What do buffers primarily achieve in computer systems?
Trả lời(C)
Help synchronize data transfer rates.
7
What is the function of security management in an operating system?
Trả lời(C)
To ensure the integrity, confidentiality, and availability of data.
8
What is the function of the interrupt routine?
Trả lời(A)
To handle the interruption.
9
What is the primary role of security software on a computer system?
Trả lời(B)
Protecting the system from unauthorized access and malicious threats.
10
In a computer system, why are buffers used?
Trả lời(B)
To store data temporarily and handle speed differences.
11
What is the role of a code editor within an IDE?
Trả lời(B)
To allow programmers to write and edit the code.
12
Which of the following is the function of a compiler?
Trả lời(B)
To convert source code into machine code.
13
Which command would most likely store the value of the accumulator?
14
During the Fetch-Decode-Execute cycle, which part retrieves the instruction from memory?
15
Which of the following is NOT a characteristic of low-level languages?
16
What is the purpose of auto-completion in a code editor?
Trả lời(B)
To provide suggestions for variable names and keywords as the user types
17
What is a key advantage of using an IDE for software development?
18
What type of software helps manage and schedule a set of instructions or a list of actions to perform?
19
Which of the following is NOT a function of an IDE?
Trả lời(D)
Operating system management
20
Trả lời(C)
A firmware program that provides low-level control for hardware.
21
Which of the following is a characteristic of an Integrated Development Environment (IDE)?
Trả lời(B)
It is a complete environment for software development.
22
What is the primary function of memory management?
Trả lời(C)
To control which programs have access to memory.
23
Which of the following is a function of the code editor within an IDE?
Trả lời(B)
To provide suggestions for completing code.
24
In the context of the provided information, what does 'firmware' refer to?
Trả lời(C)
A program providing low-level control of hardware.
25
What is the role of a compiler?
Trả lời(B)
To convert source code into machine code.
26
What is the purpose of a graphical user interface (GUI)?
Trả lời(B)
To allow the user to interact with the computer using pictures or symbols.
27
What is a typical duty of a system administrator?
Trả lời(B)
Managing user accounts and system resources.
28
Which of the following is NOT a function of an operating system?
Trả lời(D)
Creating new hardware components.
29
What is the main purpose of multitasking in an operating system?
Trả lời(B)
To allow a single user to perform multiple tasks concurrently.
30
What action does a CPU undertake when it receives an interrupt?
Trả lời(B)
It pauses its current operation to handle the interrupt.
31
What is the purpose of the BIOS settings?
Trả lời(B)
To configure the hardware.
32
What does the term 'GUI' stand for in the context of computer software?
33
What is typically the role of a compiler?
Trả lời(B)
To translate high-level code into machine code.
34
Which language type is most closely tied to a specific computer's hardware?
35
Which aspects of the development process are enhanced with the help of an IDE?
36
What is a key benefit provided by multitasking in a computer system?
Trả lời(B)
Enables a user to seemingly run multiple programs simultaneously.
37
Which of the following describes what a debugger does?
Trả lời(C)
Identifies and helps correct errors in code.
38
Which of the following operations are typically carried out by a file manager?
39
What is the role of the interpreter in programming?
Trả lời(C)
To translate one line of code at a time.
40
What is the purpose of the Decode stage in the Fetch-Decode-Execute cycle?
Trả lời(C)
To translate the instruction into a form that the CPU can understand.
41
In the Fetch-Decode-Execute cycle, the 'Decode' stage's main task involves:
Trả lời(C)
Translating the instruction so the CPU can understand it.
42
Which of the following is a disadvantage of using a compiler?
Trả lời(A)
It can take longer to compile the code.
43
Which of the following is NOT a characteristic of a command-line interface (CLI)?
Trả lời(B)
Offers a user-friendly visual environment.
44
Which of the following best describes the purpose of an Integrated Development Environment (IDE)?
Trả lời(C)
To provide a comprehensive environment for software development.
45
What does the term 'firmware' describe?
Trả lời(B)
Software embedded in hardware.
46
What component in an IDE is often used for code formatting and syntax highlighting?
47
Which programming language is typically considered 'closer to the machine'?
48
What occurs during the 'Fetch' stage of the Fetch-Decode-Execute cycle?
Trả lời(C)
The instruction is retrieved from memory.
49
What does an auto-documenter and prettyprinting features in a code editor primarily do?
Trả lời(C)
Automatically generate comments and format the code for readability.
50
Which step happens after the Decode stage in the Fetch-Decode-Execute cycle?
