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.

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

597 questions
Question 1 of 20 597 total questions
Question 231
waec 2016

Converting 4B7\(_16\) to binary?           

A0100 1010 0111  
B0100 1011 0111,       
C0100 1000 0111,   
D  0100 1100 0111
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Question 232
waec 2016

One megabyte is equivalent to?

 

Aone million bytes       
B two million bytes   
C three million bytes   
D four million bytes
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Question 233
waec 2016

In a database, a primary key is a field which contains?

 

A text only    
Bunique entries   
C duplicate values     
Dnumeric value only.
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Question 234
waec 2016

Principal uses of word processing software packages include:

I preparing deft articles for publication

ll pre- paring reports for top management

Ill preparing accounts
IV preparing organizations' newsletter.

A I, III and IV only        
BI, II and IV only     
C II, III and IV only     
D I, II, IIl, and IV.
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Question 235
waec 2016

A block of text that is marked by the tab key when the enter key is pressed can be referred to as?

A margin   
B  paragraph               
Cwhite space         
D word wrap
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Question 236
waec 2016

When a worksheet is deleted from a workbook, it is?

 

A  lost forever       
Bsent to the recycle bin     
Csent to the original folder      
Dstored permanently in main memory.
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Question 237
waec 2016

The chart type that does not have the X and Y axis display is the?

A area chart         
B  bar chart             
C pie chart             
D scatter diagram
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Question 238
waec 2016

The default number of sheets of a workbook is?

 

A one     
Btwo   
C three     
Dfour
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Question 239
waec 2016

Which of the following can a traveler who finds himself in a new environment rely on for direction to his final destination?

 

ADNS   
B GPRS   
C GPS   
D TCP
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Question 240
waec 2016

The two main components of a radio communication system are?   

A transmitter and terminal   
B receiver and determinator     
Ctransmitter and receiver     
D transmitter and terminator.
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Question 241
waec 2016

The first four steps required to open e-mail account include:

I click on "Create my account"

II go to home page of the service provider

lll click "create new account"

IV click on "mail"

 

A I, II, IV and III     
B I, II, IV and Il     
C II, IV, Ill and I      
D IV, II, I, and Ill.
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Question 242
waec 2016

 Trap doors and bombs are typical examples of? 

A adware   
B computer worms 
C firewall
Dtrojan horses
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Question 243
waec 2016

Identify the browsers in the following list:

I telnet II netscape navigator.ll opera IV mozilla firefox

 

AI, lI and lll only     
BI, ll and IV only    
CIl, Ill and IV,only   
D I, II, IIl and IV
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Question 244
waec 2016

Which of the following networks can be extended to cover continents?

 

AMetropolitan Area Network .
BPersonal Area Network      
CWide Area Network    
D Wireless Area Network
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Question 245
waec 2016

Use the BASIC program below to answer this question
10     LET K = 2
20     LET L = 9
30     LET SUM = 0
40     FOR J = K TO STEP 2
50     SUM = SUM + J2
60     PRINT "ANSWER =", SUM
70     NEXT J
80     END
The last output that will be displayed by the program is

A 20     
B36      
C64     
D120
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Question 246
waec 2016

Which of the following best represents the sequence of output from the program?

A2,4
B4, 20, 36
C4, 16, 36, 64
D4, 20, 56, 120
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Question 247
waec 2016

Use the BASIC program below to answer questions 23 to 25

10 LET K = 2

20 LET L = 9

30 LET SUM = 0

 40 FOR J = K TO STEP 2

50 SUM = SUM + J\(^2\)

60 PRINT "ANSWER =", SUM

70 NEXT J

80 END

How many times will the statement lines 50 and 60 be repeated? 

A2
B3
C4
D5
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Question 248
waec 2016

A suitable BASIC notation for the expression mc\(^2\) is?

 

A m * c^2
B m * c * 2   
C m * c  
D m * c * \(^2\)
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Question 249
waec 2016

The symbol used to represent an execution flow in a flowchart is?

AA
BB
CC
DD
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Question 250
waec 2016

A subroutine is called in a flowchart through the use of?        

A data           
B predefined process      
Cprocess      
Dterminator
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