Friday 5 July 2013

Computer Awareness-3

     1.      Dot matrix printer uses__________ for printing
a.       Laser Beam
b.      Liquid Ink
c.       Hammer
d.      Slugs
     2.      Computer program which controls the operations of computer is called________
a.       Utility
b.      Anti-Virus
c.       Application Software
d.      Operating System
     3.      System software are of two types, operating systems and_____________
a.       Word processors
b.      Anti-virus
c.       Language Translators
d.      DBMS

     4.      By default the bottom margin in the word document is_________
a.       1.5 inch
b.      1 cm.
c.       1 inch
d.      1.5 cm.
     5.      The contents of__________are lost when the computer turns off.
a.       BIOS
b.      OCR
c.       RAM
d.      ROM
     6.      The common name for a modulator-demodulator is
a.       Repeater
b.      Joint
c.       Modem
d.      LAN
     7.      Which of the following is the smallest storage?
a.       GB
b.      MB
c.       TB
d.      KB
     8.      When a computer is switched on, the booting process performs___________
a.       Wake up Test
b.      Standby Test
c.       Operating System Test
d.      Power On Self Test
     9.      Files are organized by storing them in
a.       Databases
b.      Tables
c.       Folders
d.      Clusters
    10.  _______________ is a group of worksheets
a.       Document
b.      Presentation
c.       Workbook
d.      Presentation
    11.  According to the U.S. Department of Labor, approximately ____________ % of American workers used computers on the job as of 2001.
a.       20
b.      40
c.       50
d.      70
    12.  Retail employees typically use ____________ terminals to process sales transactions.
a.       sales processing
b.      transaction point
c.       automatic teller
d.      point of sale
    13.  The process of ____________ involves automated study of consumer buying patterns in order to support marketing, inventory replenishment, and pricing decisions.
a.       transaction processing
b.      data mining
c.       simulation
d.      information processing
    14.  The engineering discipline that involves construction of molecular-sized computing devices is called:
a.      nanotechnology.
b.      molecular processing.
c.       silicon grafting.
d.      nanoscience.
    15.  The prefix that stands for a billionth is:
a.       giga.
b.      tera. 
c.       nano.
d.      peta.
    16.  A small biomedical device currently on the market that can be implanted underneath the skin for identification purposes is called the:
a.       Identitron.
b.      Verichip.
c.       Digicard.
d.      Nanoguard.
    17.  The four main functions of a computer are:
a.      input, processing, output, and storage.
b.      learning, thinking, intelligence, and virtuosity.
c.       data, information, bits, and bytes.
d.      hardware, software, modeling, and operations.
    18.  The primary purpose of a computer is to process _____________ and convert it into information.
a.       Electricity
b.      Data
c.       raw material
d.      a bit
    19.  Bit refers to a:
a.       computer language.
b.      CPU instruction.
c.       0 or 1 value.
d.      digital representation of an alphabetic character.
    20.  There are ____________ bits in a byte.
a.       Two
b.      Four
c.        Six

d.      Eight

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