Computer Hardware
18 Grade 7 Pre-Technical Studies questions on Computer Hardware, with worked marking schemes. 18 questions are available on this topic in full.
Question 1
1 markWhich of the following is a storage device used to keep data in a computer?
A. Keyboard
B. Hard disk
C. Monitor
D. Mouse
(1 mark)
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1 markA learner is shown the parts of a computer and asked which one is the main input device used to type letters and numbers. Which is it?
A. Monitor
B. Keyboard
C. Printer
D. Speaker
(1 mark)
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4 marksState four examples of computer hardware found in a typical school computer laboratory.
(4 marks)
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1 markA learner wants to enter a printed photograph into the computer as a digital image. Which device is most suitable?
A. Monitor
B. Printer
C. Scanner
D. Speaker
(1 mark)
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1 markComputer hardware is best described as:
A. The physical parts of a computer that can be touched
B. The information stored in a computer
C. The programs and instructions in a computer
D. The internet connection of a computer
(1 mark)
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1 markA group of keys used to type letters, numbers and symbols into a computer is the:
A. Monitor
B. Speaker
C. Keyboard
D. Printer
(1 mark)
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4 marks(a) Differentiate between input devices and output devices.
(b) Give one example of each.
(4 marks)
Marking scheme
(a) Input devices are used to enter data/instructions into the computer, while output devices display or produce the processed results/information from the computer (2 marks). (b) Input example (1 mark): keyboard/mouse/scanner/microphone. Output example (1 mark): monitor/printer/speaker.
Question 8
1 markWhich of the following is BOTH an input and output device?
A. Printer
B. Mouse
C. Touchscreen
D. Keyboard
(1 mark)
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6 marksA school has received several used computers. Describe three care and maintenance practices that should be observed to keep the computer hardware in good working condition.
(6 marks)
Marking scheme
Any 3 explained (2 marks each): Keep the computers free of dust/cover when not in use - dust damages components; Use a stable power supply/UPS or surge protector - protects against power surges; Keep food and liquids away - prevents spills/damage; Shut down properly - avoids damage to files/hardware; Keep the room well ventilated/cool - prevents overheating; Handle devices gently. Award 1 mark for the practice, 1 for the reason.
Question 10
6 marksDuring an ICT lesson, the teacher asks the class to identify the physical parts of the computer that they can touch.
(a) State two examples of computer hardware. (2 marks)
(b) Differentiate between an input device and an output device, giving one example of each. (4 marks)
(6 marks)
Marking scheme
(a) Any two hardware examples (1 mark each): keyboard, mouse, monitor, printer, system unit/CPU, speakers, scanner. (b) Differentiation (2 marks each): - An input device is a hardware component used to enter data and instructions into the computer. Example: a keyboard (or mouse, scanner). - An output device is a hardware component used to display or give out processed information from the computer to the user. Example: a monitor (or printer, speakers).
Question 11
1 markWhile setting up a computer, a learner is told that one component is regarded as the 'brain' of the computer because it processes instructions. Which component is this?
A. The mouse
B. The Central Processing Unit (CPU)
C. The monitor
D. The speaker
(1 mark)
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1 markA learner uses a device to move the pointer on the screen and to click on items. This input device is the:
A. Speaker
B. Mouse
C. Monitor
D. Printer
(1 mark)
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1 markA teacher wants to produce a printed copy (hard copy) of a document. Which device is used?
A. Webcam
B. Microphone
C. Scanner
D. Printer
(1 mark)
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1 markWhich of the following is a portable storage device that can be plugged into a USB port?
A. Flash disk
B. Webcam
C. Monitor
D. Mouse
(1 mark)
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1 markThe part of the computer often referred to as the 'brain' of the computer, which processes data, is the:
A. Central Processing Unit (CPU)
B. Keyboard
C. Speaker
D. Monitor
(1 mark)
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4 marksExplain the function of each of the following computer components: (a) monitor; (b) central processing unit (CPU).
(4 marks)
Marking scheme
(a) The monitor displays/outputs information (text, images, video) from the computer to the user on a screen (2 marks). (b) The CPU processes data and controls/coordinates the operations of the computer; it carries out instructions (2 marks).
Question 17
1 markA learner is identifying the parts of a computer. Which of the following is an example of an input device?
A. A monitor
B. A keyboard
C. A printer
D. A speaker
(1 mark)
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1 markWhich of the following is an output device?
A. Monitor
B. Keyboard
C. Microphone
D. Scanner
(1 mark)
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