1).Alt+f = File menu options in current program  2). Alt+E = Edit option in current program  3). F1  =      universal help for all program 4). Clrl+A =     sel… Read more »

Read Access Memory Definition:- It is directly provides the required information to the processor RAM is volatile memory. Random Access Memory is a computer … Read more »

Input Output definition :- Input unit :- The computer accepts coded information  through input unit by the user. It is a device that is used required informa… Read more »

computer hardware and software instillation :- Operating system :- A operating system is system software.That is manages computer provide common service for co… Read more »