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Showing posts from October, 2015
  Software Concept Questions and Answers: 1) What is utility software? ® Utility software is software which performs day to day task related to the maintenance of computer system. 2) What is a program? ® Program is a set of instructions written in a computer language to perform a specified task. 3) What is a tailored program? Give examples. ® Tailored program is a specialized set of programs which performs a specific task for the specific individual or organization. Its examples are:                                     1)      SLC result processing software                                     2)        Telephone bill processing software 4) What is packaged program? Give examples. ® Packaged program is a generalized set of programs, which performs specific task for varieties of users. Example: MS-Word, MS-Excel, MS-Access. 5) What is a computer? ® Computer is an electronic machine which automatically store and accept input data, process them and produce ou
Operating System Concept Questions and Answers: 1.    What is an operating system? ® An operating system is a collection of system software that together controls the operation of a computer system.       2.     What is MS-DOS? ® MS-DOS is a single user/single tasking operating system which was developed by Microsoft Company in the USA.       3.      What are the functions of operating system? ® The functions of operating system are: ·           Memory management ·           File management ·           Process management ·           Command interpretation ·           Security ·           User Interface  4.     What is booting? ® Booting is the process of loading MS-DOS system files loading into the computer memory.       5.      What are the system files of MS-DOS? ® The system files of MS-DOS are: ·           MS-DOS.SYS ·           COMMAND.COM ·           IO.SYS        6.     Difference between external command and internal command.