Computer note for class 4

Note of computer: a. Define the term 'computer'? = The term 'computer' is derived from the Latin word 'COMPUTARE', which means to calculate. b. Define system unit? = c. Define data, hardware, and software? = data is the collection of raw unprocessed facts, figures, and symbols. = Hardware is the physical parts of a computer that can be touched or felt physically. examples: Monitor, CPU, keyboard, mouse, etc. = Software is the set of programs that tells the hardware how to perform the tasks. or = software is the logical part of the computer system that cannot be touched. D. Questions answers; 1. which was the first calculating device in the world? = Abacus was the first calculating device in the world. 2. who invented the computer? = The computer was invented by Charles Babbage. 3. ...