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WorksheetsGrade-3
Total questions: 20
Worksheet time: 12mins
_______ controls all the connected input and output devices.
CPU
Mouse
Keyboard
Monitor
Cpu is also called _______ of a computer.
Brain
Friend
Remote
Input device
Output device
Input device
Output device
Input devices allow us to __________________to the computer.
Send information
Receive information
CPU is an output device.
True
False
___________ gives us voice output.
A computer use ___________ device to show us something.
Input
Output
Printer
Keyboard
Choose the input devices.
mouse, keyboard, headphones
mouse, printer, headphones
mouse, keyboard, speakers
mouse, keyboard, smartboard
Nowadays people depend on technology.
True
False
Mobile and tablets are also related to technology.
True
False
The meaning of Indicate is
Point out
Hide
Energy
Power
The use of technology is (a) the efficiency of humans.
(a) is the branch of knowledge.
A computer requires (a) person to handle
A computer is an ............ device.
Electronic
Input
Machine
Which of the following is the speed measurement unit of the computer?
Nanosecond
Kilobyte
Megabyte
Which of the following is an output device?
Speaker
Cpu
Keyboard
