Tuesday, 22 July 2014

SBI Clerk Computer Awareness Practice Test 5

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Read here Previous Post of Test 4 & 3 of Computer Awareness for SBI Clerk

1. A  certain  computer  hardware  component  does  not  process  the  data  itself  but  acts  as  a  central  nervous  system  for  other  data  manipulating components. What is it called? 

   (a) ALU      

   (b) RAM  

   (c) Control Unit  

   (d) Secondary storage  

   (e) None of these


2.The  accuracy  of  the  floating  point  numbers  represen-table  in  two  16  bit  words  of  a  computer is approximately 

   (a) 16 digits    

   (b) 6 digits  

   (c) 4 digits    

   (d) All of these  

   (e) None of these


3.  The  number  of  tracks  on  a  1/2  inch  wide magnetic tape is 

   (a) 1      

   (b) 9  

   (c) 18      

   (d) either bare  

   (e) None of these


4.  A  system  which  allows  interaction  between man and machine via some terminal device is 

   (a) batch mode    

   (b) interactive  

   (c) real time    

   (d) time sharing  

   (e) None of these


5.  All  calculations  are  performed  and  all comparisons are made in unit 

   (a) control unit

   (b) arithmetic-logic unit

   (c) central processing unit

   (d) primary storage unit

   (e) None of these


6. The  barcode  which  is  used  on  all  types  of  items,  is  read  by  a  scanning  device  directly  into  the  computer.   What  is  the  name of  this  scanning device? 

   (a) Laser Scanner  

   (b) Wand  

   (c) OCR      

   (d) MICR  

   (e) None of these


7.  Disk units that use unremovable platters are called 

   (a) unremovable disks

   (b) hard disks

   (c) sealed disks

   (d) high-density disks

   (e) None of these


8. The  terminal  device  often  used  in  checking  charge  cards  that  offers  both  a  limited  keyboard input and visual output is the 

   (a) intelligent terminal

   (b) POS terminal  

   (c) video display terminal

   (d) audio response unit

   (e) None of these


9.  A complete set of programs for one specific data processing application is called 

   (a) utility application

   (b) canned program

   (c) program package

   (d) both (b) and (c)

   (e) None of these


10. A trackball is manipulated by 

   (a) palm    

   (b) foot  

   (c) fingers    

   (d) sound

   (e) None of these


11. An error in software or hardware is called a  bug. What is the alternative computer jargon  for it? 

   (a) Leech    

   (b) Squid  

   (c) Slug      

   (d) Glitch  

   (e) None of these


12. A  computer controlled  device  for  training  exercises  that  duplicates  the  work  environment is a 

   (a) simulator    

   (b) duplicator  

   (c) trainer      

   (d) COM device  

   (e) None of these


13. The  person  who  writes  instruction  that  tell  the computer how to handle input information  is 

   (a) data entry operator

   (b) computer programmer

   (c) computer operator

   (d) keypunch operator

   (e) None of these


14. Which  of  the  following  require  large computer memory? 

   (a) Imaging    

   (b) Graphics  

   (c) Voice    

   (d) All of these  

   (e) None of these


15. A Group of integrated parts is called 

   (a) system    

   (b) swapping  

   (c) circuits    

   (d) system analysis

   (e) None of these


16. Who is credited with the idea of using punch  cards  to  control  patterns  in  a  weaving  machine? 

   (a) Pascal    

   (b) Hollerith

   (c) Babbage  

   (d) Jackquard  

   (e) None of these


17.  Which of the following is a group of related characters that are treated as a single unit? 

   (a) Array    

   (b) File  

   (c) Field      

   (d) Block  

   (e) None of these


18.  In analog computer 

   (a) Input is first converted to digital form

   (b) Input is never converted to digital form

   (c) output is displayed in digital form

   (d) All of these

   (e) None of these


19.  What  is  the  general  name  of  the  device which produces hard copy graphics? 

   (a) COM    

   (b) Plotter

   (c) Printer    

   (d) Microfilm  

   (e) None of these


20.  What  is  the  most  common  speed  in  rpm  at which the hard disks usually rotate? 

   (a) 2400      

   (b) 3600  

   (c) 4700      

   (d) 1600  

   (e) None of these


21. Which  one  of  the  following  is  termed  a combination input-output device? 

   (a) VDT      

   (b) Keyboard  

   (c) Printer    

   (d) Laser Jet  

   (e) None of these


22. Which  printer  is  very  commonly  used  for desk-top publishing? 

   (a) Laser printer    

   (b) Inkjet Printer

   (c) Daisywheel Printer

   (d) Dot-matrix Printer

   (e) None of these


23. A third and last component of CPU is 

   (a) ALU    

   (b) supervisory-control unit  

   (c) input device  

   (d) register unit  

   (e) None of these


24.What  is  the  name  of  the  screen  pointing  device  that  rolls  on  bearings  and  has  one  or  more buttons on its top? 

   (a) Track ball    

   (b) Mouse  

   (c) Light pen    

   (d) Joy-stick  

   (e) None of these


25. Please enter your question here..Modern computers are very reliable but they  are not 

   (a) fast      

   (b) powerful  

   (c) infallible    

   (d) cheap  

   (e) None of these

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