CISC 101 Chapter Notes - Chapter 1: Input Device, Auxiliary Memory, Instruction Set
9 Mar 2021
School
Department
Course
Professor
Document Summary
In earliest computers, cpus were huge devices made of electrical and mechanical components: the eniac was the world"s first programmable electronic computer, built in 1945, today, cpus are small chips known as microprocessors. Inside your computer, ram is stored in chips. Output devices: output is any data the computer produces for people or for other devices, the data is sent to an output device, which formats and presents it, common output devices are video displays and printers. Software: everything a computer does, from the time you turn the power switch on until you shut the system down is under the control of software, two general categories of software: system software and application software. Application software: programs that make a computer useful for everyday tasks are known as application software, examples: microsoft word, powerpoint, email programs, web browsers and game programs.
