Computer Studies Past Questions

Study and practice Computer Studies past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

52 questions JAMB 292 WAEC 597 NECO 60 CUSTOM 2
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Past Questions

52 questions
Question 1 of 12 52 total questions
Question 21
waec 2020

A data bus that is capable of transferring 8 bytes of data at once can be rated as?   

 

Aa 16-bit data bus.       
Ba 32-bit data bus.     
Ca 64-bit data bus.       
Dan 8- bit data bus.
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Question 22
waec 2020

In Figure 1, the value of Z when X = 1 and Y=0 is?     

 

 

 

 

A  0.        
B1.      
C10.        
D11.
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Question 23
waec 2020

In Figure 1, the value of Z when X = 1 and Y=0 is?   

 

 

A  0.        
B1.      
C10.        
D11.
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Question 24
waec 2020

which of the following logic operations would select a record when at least one condition is satisfied?        

 

AAND     
BNOR     
CNOT     
DOR
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Question 25
waec 2020

Handwritten letters, typeset documents or printout Characters can be read into the computer by?       

A Barcode Reader.       
BMagnetic Ink Character Recognition.       
COptical Character Recognition.     
DOptical Mark Reader.
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Question 26
waec 2020

Arrange the following inventions in chronological order.

I. Slide Rule ll. Pascaline llI. Analytical Engine IV. Difference Engine

 

A I, II, IV and IIl         
B I, IV, III and Il            
CIII, IV, II and I       
DI, II, III and IV
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Question 27
waec 2020

Pascal's calculating machine was useful in?    

Aaddition and subtraction only.     
B division only.     
Cmultiplication and division only.     
Dmultiplication only. 
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Question 28
waec 2020

Under classification by data representation. computers can be?      

Aanalogue, digital and hybrid.     
Bhybrid, mainframes and analogue.    
Cmini- computers, digital and supercomputers.       
D supercomputers and mini-computers.
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Question 29
waec 2020

Choose the incorrect statement about microcomputers?   

AA microcomputer can be placed on a single silicon chip.
BA microcomputer can have more processing capability than a mainframe model.
CROM chips may be used in micros to permanently store program instruction.
DMost micros use rigid disk storage devices rather than floppy disk drives.
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Question 30
waec 2020

The equivalent of the decimal number 89 in base 4 is?    

A1021.      
B1201.     
C1211.     
D1121.
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Question 31
waec 2020

The communication of knowledge, concepts and ideas is referred to as?    

Ainformation processing.    
Binformation transmission.   
Ctelecasting.   
D webcasting.
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Question 32
waec 2020

Which of the following is not a step involved in data conversion?

 

A Input   
BOutput     
CProcess     
DTransfer
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