technical terms 9

Introduction to Computer 

  1. Computer works with digits and also represents numerals , letters , or other special symbols. Digital Computer
  2. The combination features of analog and digital machines.Hybrid Computer
  3. Packages that make learning much more interactive.CAE (Computer Aided Education) and CBT (Computer Based Training)
  4. Network of networks of computers , which links many different types of computers all over the world.Internet
  5. The computer that measures physical quantities such as pressure and temperature and converts them to numeric values Analog Computer
  6. The smallest of the computer family that consists of a microprocessor as its CPU.Micro Computer

Computer System

a.                  The process of entering data and instructions is called Input.

b.                  The device which is used to produce soft output Monitor.

c.                   Primary memory of a computer is RAM.

d.                  The example of the fastest memory is Cache.

e.                  Essential computing of computer takes place at Microprocessor.


Input Output Devices

 

a. A user can provide data to the computer using Keyboard    

b. It is a device which makes easy to give instructions Mousec.                  

c. An example of soft copy output device is Monitor        

d. An example of hardcopy output device is  Printer  

e. The full form of USB is Universal Serial Bus.

 Secondary Storage Media 

a.      A non volatile storage medium that can store all the data and instructions even after the computer is turned off.

Secondary Storage Media / Memory

b.      A plastic tape usually half -an - inch wide, coated on one side with iron oxide, which can be magnetized.

Magnetic Tape

c.       Disk storage system consists of a rotating disk.

Hard Disk

d.      A storage medium from which data is read and to which it is written by lasers.

Optical Disk

e.      A location in computer memory consisting of eight adjacent bits.

Byte


Computer Software 

a.      Instructs the hardware what to display on the user's screen

Software

b.      The software which is responsible for performing basic task such as input from the keyboard, sending output to the display screen, keeping tracks of files and directories on the disk
Operating System Software

c.       Translates the source code of high level language into the object code
Language Translator

d.      The software which is used to support, improve , expand and secure the existing programs and data in the computer system
Utility Software

e.      Translates an assembly program into machine level program

Assembler

 

 

 

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