WorksheetsRevision Grade7
Total questions: 9
Worksheet time: 6mins
------------------------is the computer’s memory which contains all the instructions related to hardware functioning.
ROM
RAM
Hard disk
-------------------------is the physical part of the computer. It is that component of a computer that you can touch.
Software
Hardware
Hard disk
send data to the system unit
Output devices
Hardware
Input devices
They are the first of the kind of printers that print in color.
Dot matrix printers
Laser Printers
Ink Jet printers
An advantages of using laser printers is:
Incurs low cost.
TRUE
FALSE
Virus problem is program to prevent, detect and remove harmful programs.
TRUE
FALSE
The system unit receives data from the input devices and sends the data to the output devices after some processing.
TRUE
FALSE
The example of output device is keyboard.
TRUE
FALSE
What are the two components of the computer?
(a)
