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WorksheetsLESSON1_INTRODUCTION TO COMPUTER
Total questions: 15
Worksheet time: 8mins
The Output device used for printing building plan is
(a) Thermal printer
(b) Plotter
(c) Dot matrix
(d) inkjet printer
Which of the following is a component of computer system?
MOUSE
KEYBOARD
MEMORY UNIT
MONITOR
Each binary code is in 1's and 0's and is called a
byte
bit
ball
bait
When the system starts from initial state i.e. it is switched on, we call it ___ booting
warm
hard
cold
cold or hard booting
Pictures on a monitor are formed with picture elements called
PIXELS.
dots
resolution
HD
Who invented Mouse?
Douglas Engelbart
Bill English
both of them
ff. Hard disk, CD-ROM and DVD ROM are examples of ___ memory.
main
primary
secondary
internal
_____ serves as a voice Input device.
Speaker
Microphone
The printing speed of Dot matrix printers varies from ___ to ___
1000 pages
50 to 1000
30 to 1550 cps
1 to 20 ppm
Name the device
Retinal scanner
Finger print scanner
