Case Study

 

   

Control Unit (CU)

   The next component of computer is the Control Unit, which acts like the supervisor seeing that things are done in proper fashion. Control Unit is responsible  for  co ordinating various operations using time signal. The control unit determines the sequence in which computer programs and instructions are executed.

 

   Things like processing of programs stored in the main memory, interpretation of the instructions and issuing of signals for other units of the computer to execute them. It also acts as a switch board operator when several users access the computer simultaneously.

 

   Thereby it coordinates the activities of computer’s peripheral equipment as they perform the input and output.


Central Processing Unit (CPU)

 

   The ALU and the CU of a computer system are jointly known as the central processing unit. You may call CPU as the brain of any computer system.

 

   It is just like brain that takes all major decisions, makes all sorts of calculations and directs different parts of the computer functions by activating and controlling the operations.

 

 

 

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

  • Operations

    The four main operations of computer are Input, Output, Processing And Storage… Read more »

  • Generations

    The Five generations of computers are as follows… Read more »

  • Parts

    The four main components of computers are ALU, CU, MU and I/O…… Read more »

  • Memory

    The working place in computer where all data is stored is called memory.… Read more »

  • Software

    Software represents the set of programs that govern the operation of a computer system and make the hardware run… Read more »

  • Networks

    A network consists of two or more computers that are linked in order to share resources, exchange files, or allow electronic communications.… Read more »