How many types of display screens?
a) one
b) two
c) three
d) four
Explanation: cathode ray tube, flat panel display
How many types of technology used in flat panel display?
a) one
b) two
c) three
d) four
Explanation: liquid crystal display, electro luminescent display, gas plasma
Keyboard:
The standard keyboard is also called
a) QWERTY
b) QEWRTY
c) QREWTY
d) QTYWER
Which keys are an effortless way to give certain command to computer?
a) function keys
b) main keys
c) numeric keys
d) none of these
Which key is
used in diverse ways in different programs?
a) function key
b) escape key
c) tab key
d) none of these
