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2022 WAEC Computer Studies Theory [a] Define the term output device. [b] Give the two types of printers. [c]  [i]...

Computer Studies
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.

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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

Open photo

[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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WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995