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Information and Communication Technology (ICT): All Topics
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Cambridge IGCSE Information and Communication Technology (ICT)
Information and Communication Technology (ICT): All TopicsComplete deck
01·1 Types and components of computer systems
What is computer hardware?
Answer
The physical parts of a computer system that can be touched.
02·1 Types and components of computer systems
Give two examples of external hardware.
Answer
A keyboard and a monitor.
03·1 Types and components of computer systems
What is the motherboard?
Answer
The main circuit board that connects and allows computer components to communicate.
04·1 Types and components of computer systems
What does a network interface card (NIC) allow a computer to do?
Answer
Connect to a network using a wired or wireless connection.
05·1 Types and components of computer systems
What is the purpose of a graphics card?
Answer
To process graphical information for display on a screen or projector.
06·1 Types and components of computer systems
What is the purpose of a sound card?
Answer
To process sound for playback and recording.
07·1 Types and components of computer systems
What is computer software?
Answer
Programs that control the computer and process data.
08·1 Types and components of computer systems
What are the two main categories of software?
Answer
Application software and system software.
09·1 Types and components of computer systems
What is application software?
Answer
Software that helps a user perform a particular task.
10·1 Types and components of computer systems
Give two examples of application software.
Answer
Word processing software and spreadsheet software.
11·1 Types and components of computer systems
What is system software?
Answer
Software that manages the system and supports other programs.
12·1 Types and components of computer systems
Give two examples of system software.
Answer
An operating system and a device driver.
13·1 Types and components of computer systems
What is the purpose of word processing software?
Answer
To create and edit text-based documents.
14·1 Types and components of computer systems
What is the purpose of spreadsheet software?
Answer
To organise data and perform calculations or analysis.
15·1 Types and components of computer systems
What is the purpose of database software?
Answer
To store, organise, search and analyse structured data.
16·1 Types and components of computer systems
What does CAD stand for?
Answer
Computer-aided design.
17·1 Types and components of computer systems
What is a device driver?
Answer
Software that enables the operating system to communicate with a hardware device.
18·1 Types and components of computer systems
What is a utility program?
Answer
Software used to maintain, protect or manage a computer system.
19·1 Types and components of computer systems
What is a compiler?
Answer
Software that translates a high-level language program into machine code.
20·1 Types and components of computer systems
What is a linker?
Answer
Software that combines compiled program modules into one executable program.
21·1 Types and components of computer systems
What is analogue data?
Answer
Data that varies continuously over a range of values.
22·1 Types and components of computer systems
What is digital data?
Answer
Data represented using separate, discrete values.
23·1 Types and components of computer systems
Which two binary digits do computers use?
Answer
0 and 1.
24·1 Types and components of computer systems
What does ADC stand for?
Answer
Analogue-to-digital converter.
25·1 Types and components of computer systems
What does DAC stand for?
Answer
Digital-to-analogue converter.
26·1 Types and components of computer systems
What does CPU stand for?
Answer
Central processing unit.
27·1 Types and components of computer systems
What is the main role of the CPU?
Answer
To interpret and execute program instructions.
28·1 Types and components of computer systems
What does ALU stand for?
Answer
Arithmetic and logic unit.
29·1 Types and components of computer systems
What does the ALU do?
Answer
Performs arithmetic calculations and logical operations.
30·1 Types and components of computer systems
What does the control unit do?
Answer
Coordinates the execution of instructions and the computer's operations.