Friday, 4 September 2015

CHARACTERISTICS OF COMPUTERS



 CHARACTERISTICS  OF  COMPUTERS


1. SPEED

  • COMPUTER CAN PERFORM MILLIONS OF CALCULATIONS IN A FRAGMENT OF SECONDS
  • THE SPEED OF COMPUTER IS NOT MEASURED IN SECONDS BUT IS MEASURED IN FRACTION OF  SECONDS

    FRACTIONS:
  • 10-6 ( MICRO SECOND ) OR
  • 10-9 ( NANO SECOND ) OR
  • 10-12 ( PICO SECOND )

    THESE UNITS ARE USED TO MEASURE THE SPEED IN EXECUTION OF ARITHMETIC INSTRUCTIONS BY THE COMPUTER.


2.  ACCURACY

  • THE ACCURACY LEVEL OF THE COMPUTER IS VERY HIGH. IT CAN DEPICT LARGE FRACTIONAL VALUES VERY ACCURATELY.
  • GARBAGE IN GARBAGE OUT:- COMPUTER MAY PRODUCE MALICIOUS RESULTS BUT ITS ACCURACY CANNOT BE QUESTIONED BECAUSE IT IS HUMAN WHO COMMITS MISTAKES WHILE OPERATING.

3.STORAGE
  • HUMAN CAN REMEMBER A PIECE OF INFORMATION AND FORGET AFTER SOMETIMES.
  • HOWEVER, IN CASE OF COMPUTER, IT CAN STORE BULK OF DATA AND CAN RETRIEVE AS AND WHEN REQUIRE.
  • TO STORE ONE CHARACTER, IT CONSUMES ONE “BYTE”.

4.DILIGENCE 

  • COMPUTER IS FREE FROM EXHAUSTION OR LACK OF CONCENTRATION.
  • IT CAN WORK CONTINUOUSLY WITHOUT BEING TIRED.
  • IT CAN DO REPEATED WORK WITH SAME SPEED AND ACCURACY.
5.VERSATILITY 

  • IT CAN DO DIFFERENT KIND OF JOBS PROVIDED TO IT IN A LOGICAL SEQUENCE.
  • AT ONE MOMENT IT CAN PREPARE ACCOUNT STATEMENT AND IN ANOTHER IT CAN BE USED TO DRAFT A LETTER AND IN BETWEEN THE TWO IT CAN INSTRUCT THE PRINTER TO DESIGN.