Glossary
1.	Application software - Set of programs necessary to carry out operations for a specified application.
2.	Arithmetic and Logic Unit - Digital circuit that performs arithmetic and logical operations
3.	Central Processing Unit - Hardware within a computer that carries out the instructions
4.	Control Unit - Direct the computer to carry out stored program instructions
5.	File Server - Stores all of the software that controls the network
6.	Input  - Signals or data received by the system
7.	Memory -The working place in computer where all data is stored
8.	Network - Two or more computers that are linked in order to share resources
9.	Operating System - Program which acts as an interface between a user & the hardware
10.	Output - Result of a computer process
11.	Primary Memory - Type of primary memory data is not stored permanently
12.	Registers - Small amount of storage available as part of a CPU
13.	Secondary Memory -The slowest and cheapest form of memory. It cannot be processed directly by the CPU
14.	Software - Set of programs that govern the operation of a computer system
15.	System software - Computer software designed to operate the computer hardware
16.	Workstation - Computers connected to the file server

 

 

 

Introduction TO IT by Ms.S.Ramya & ms.M.Naga sankari

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