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Computer Studies 2015 WAEC Past Questions

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36

The shortcut command used in restarting a computer is?       

  • A.  Ctrl+ S.   
  • B.  Ctrl+0.   
  • C.  Del+Alt+S.   
  • D. Alt+Ctrl+Del.
View Answer & Discuss WAEC 2015
37

The term bus' width in data transfer refers to the?         

  • A. number of wires in the bus.             
  • B. size of the data movement.   
  • C.  number of bits of information the RAM can send to the CPU at the same time.        
  • D. number of wires in the bus that carry information to the processor at a time
View Answer & Discuss (15) WAEC 2015
38

The part of the computer that holds the data and pro- grams for CPU processing is the?   

  • A. Address.     
  • B.  Register:     
  • C. Random Access Memory.   
  • D. Read Only Memory
View Answer & Discuss (2) WAEC 2015
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39

A high level language can be converted to a machine language using?   

  • A. a compiler.   
  • B. an editor.   
  • C.  a utility program.   
  • D. an operating system
View Answer & Discuss (1) WAEC 2015
40

Which of the following statements is true of encryption? It        

  • A. provides complete privacy.           
  • B. provides security of varying reliability.         
  • C. makes messages un- readable by the recipient.           
  • D.  permits an individual to have access to another person's message.
View Answer & Discuss (2) WAEC 2015
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