Computer Applications
The diagram shows the main components of a computer system. R could represent :
- mouse or printer
- printer or screen
- printer or disc drive
- screen or keyboard
Computer System
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Answer
printer or screen
Reason — The output unit uses devices like printer or screen to display output in user readable form.
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Related Questions
How can computers be classified ?
All computer systems can be split into three main components. These are shown in the following diagram.
Complete the diagram below by adding the names of four different input devices and four different output devices.
Q represents the central processing unit which consists of :
- processor and main storage
- input devices and processor
- input devices, output devices and backing storage
- all of the above
Which one of the following is not a function of the CPU ?
- handling control functions
- performing arithmetical operations
- storing data
- file management