Computer Studies Past Questions

Question 181

waec 2018

A  site engineer intends to acquire a computer system. What factors Will he consider if he must choose a notebook computer over a desktop computer?

 

ASize, cost and battery life             

B Cost, size and convenience              

CSize, convenience and battery life         

DCost, convenience and battery life

View Explanation & Discuss

Question 182

waec 2018

Which of the following options is a biometric data?     

AGender     

BPassword     

C Date of birth      

DPattern of eye iris

View Explanation & Discuss

Question 183

waec 2018

The number 28 in binary is?       

A1001         

B 11001     

C110011     

D11100

View Explanation & Discuss

Question 184

waec 2018

The MS-Windows shortcut keys to initiate warm booting is?       

AAlt+ f4       

BCtrl+ Alt + Del    

CCtrl+Esc        

DCtn +Shift + Del

View Explanation & Discuss

Question 185

waec 2018

The process of testing the logic of programs to ensure they give correct result is known as?         

Aalgorithm     

Bdesk checking   

C flowcharting   

D table checking

View Explanation & Discuss

Question 186

waec 2018

The command line prompt of MS-DOS operating system is represented as?    

AC:>      

BC:\     

CC:\>     

DC\:>

View Explanation & Discuss

Question 187

waec 2018

The algebraic equation for the AND gate with input variables A and B is?     

AX = A.B        

BX =A/B     

CX= A-B     

D X = A+B

View Explanation & Discuss

Question 188

waec 2018

The conversion of readable data to unreadable codes in order to prevent unauthorised access is known as?    

Aauthentication     

Bencryption     

Cencoding     

Ddecryption

View Explanation & Discuss

Question 189

waec 2018

A row in a database table is referred to as? 

A attribute      

Bdata item      

C field       

Drecord

View Explanation & Discuss

Question 190

waec 2018

The ASCII chart control characters using numeric codes ranging from?      

A0 to 124        

B0 to 125      

C0 to 127     

D 0 to 128

View Explanation & Discuss

Question 191

waec 2018

The process of restarting the computer system is known as?     

Acold booting         

Bhard booting     

Chot bathing           

Dwarm booting

View Explanation & Discuss

Question 192

waec 2018

The speed of data transfer in the computer can be determined in terms of? 

 

Aprotocols and  bus speed     

Bbus speed and bus width     

C  bus width and storage media           

D bus speed and storage media 

View Explanation & Discuss

Question 193

waec 2018

Which of the following components are data communication equipment?

I. Scanner ll. Hub lIl. Modem
 

AI and Il only     

B I and lll only   

C  II and IIl only      

DI, Il and III

View Explanation & Discuss

Question 194

waec 2018

Which of the following options is not an advantage of  linear bus topology?     

A It requires less cable length          

BIt ensures easy casting       

CAdditional nodes can be connected  easily      

DTerminators are required at both ends of the

View Explanation & Discuss

Question 195

waec 2018

The following components are network interconnecting devices EXCEPT?   

Ahub

Bmodem

Crouter

Dwebcam

View Explanation & Discuss

Question 196

waec 2018

which of the following network cables offers highest data transmission?

ACoaxial     

BFibre optic    

CTelephone line   

DTwisted pair

View Explanation & Discuss

Question 197

waec 2018

The three levels of programming language?     

A assembly language, low level language and high level language,   

Bjava, C language and pascal

Cmachine language low level language and high level language     

Dmachine language, machine code and assembly language

View Explanation & Discuss

Question 198

waec 2018

The following are relational operators in QBASIC?  

A 

B>     

C#     

D=

View Explanation & Discuss

Question 199

waec 2018

The following programs are general-purpose application software except?     

ACorelDraw   

BEditor     

CMs Access        

DMS Word

View Explanation & Discuss

Question 200

waec 2018

Which of the following programs is an application specific?     

ACorelDraw   

B  Microsoft Access   .

CWord      

DPayroll system

View Explanation & Discuss