FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Fetching: is the process of obtaining a program instruction or data item from memory. Decoding: is the process of translating the instruction into signals that the computer can execute. Executing: is the process of carrying out the commands.

Detailed explanation-2: -Data entered through input device is temporarily stored in the main memory (also called RAM) of the computer system. For permanent storage and future use, the data as well as instructions are stored permanently in additional storage locations called secondary memory.

Detailed explanation-3: -Memory is the part of the computer that holds data and instructions for processing.

Detailed explanation-4: -Central Processing Unit (CPU) The CPU is the brain of a computer, containing all the circuitry needed to process input, store data, and output results.

Detailed explanation-5: -Any data or instruction entered into the memory of a computer is considered as storage. Storage enables a computer to retain data, either temporarily or permanently. For example-RAM, ROM, Hardisk etc. 18-Sept-2020.