[a] Define the term output device. [b] Give the two types of printers. [c] [i]...

COMPUTER
WAEC 2022

[a] Define the term output device.

[b] Give the two types of printers.

[c] [i] Construct a truth table for an AND gate with two input signals.

[ii] State the output of an OR gate with the signals 0 and 1.

[d] list two types of an logic gate that gives an output of 1 when all of its input signals are 1.

Explanation

[a] An output device is any piece of computer hardware equipment or peripheral which converts information into a human-perceptible form machine-readable form for use with other non-computerized equipment. It can be text, graphics, audio, or video. Its piece of equipment hardware which gives ut the result of the entered input, once it is processed.

[b] Two types of printers are: (i) Impact Printer (ii)Non Impact printer

[c] i A truth table for an AND gate with two input signals

[c] iii The output of an OR gate with the input signals 0 and 1

[d] 1: LAND gate

2: OR gate



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