Ins And Outs Devices Question Preview (ID: 8539)

Wang Hai Hui Wang Zhu Chao.[print questions]

Please give one example of input device.
a) Keyboard
b) Printer
c) Screen
d) Microphone

What do we use light pen to do?
a) TO sing
b) To design
c) To write article
d) To communicate with friends

Which device is used to type words
a) Mouse
b) Keyboard
c) Light pen
d) Microphone

How many bottons does a mouse have
a) Four
b) Two
c) Three
d) One

What is the advantage of Lasser printer
a) high speed
b) convenient
c) light
d) savetime

What is the optical mark used for?
a) Print
b) type
c) clean
d) sense marks

What is the advantageof concept keyboard?
a) Higher typing speeds
b) light
c) correct
d) bigger

What do we use the microphone to do?
a) Talk
b) play
c) write
d) listening to music

What's the difference between Web cameras and normal cameras?
a) Bigger
b) Faster
c) Smaller
d) More powerful

What is web cam qualitty measured in
a) pixels
b) megaherz
c) megabytes
d) kilobytes

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