Search Results

  1. What is an operating system? What are its functions? (0)

    The operating system is a program that acts as an interface between the user and the hardware. It is a collection of programs that coordinates the operations of computer hardware and software.
    Functions of an operating system:
    1. Starting the Computer: In most computers, the BIOS and the diagnostic routines are contained in ROM. They […]

  2. What is utility software (0)

    Utility software consists of programs which are frequently used to carry out routine jobs like sorting, merging, and core dump/list, programmed debugging etc, and are normally provided by the manufactures to make the machine work gainfully.
    Certain jobs are performed by every computer and it is a tedious task to write separately for each installation and […]

  3. Internal parts of CPU (0)

    The CPU has two main parts.
    1. The Control Unit.
    2. Arithmetic Logic Unit.
    The parts of the CPU are usually connected by an electronic component referred to as a Bus, which acts as an electronic highway between them. The CPU has special purpose storage devices called registers, helps in storing data and instructions.
    1. Control Unit: It […]

  4. What is computer and what are its characteristics? (0)

    Definition: The term computer has been borrowed from compute that means to calculate.A computer is an electro mechanical device which has capacity to accept, store, process and retrieve data, according to the user requirements.
    Characteristics of a computer:
    The following are the characteristics of a typical computer:
    Speed: Present day computers operate at a very high speed. A […]