Computer Component Checklist


Computer Components Checklist

There are many parts that work together to make a computer work.

Hardware vs. Software

Physical parts of the computer, including processor and memory chips, input/output devices, tapes, disks, modems, cable, etc.

Programs that tell the computer what to do. It provides instructions that the

CPU will need to carry out.


The CPU – The chip or chips that interpret and execute program instructions and manage the functions of input, output, and storage devices.


A display screen to provide

“ output ” to the user. It is where you view the information your are working on.

Video Card

Connects the computer to the monitor. It is a circuit board attached to the motherboard that contains the memory and other circuitry necessary to send information to the monitor for display on screen.


Used to enter information into the computer and for giving commands.


Used to generate or reproduce voice, music, and other sounds.

Mouse (or touch pad)

An input device operated by rolling its ball across a flat surface. The mouse is used to control the on-screen pointer by pointing and clicking, double-clicking, or dragging objects on the screen.

A pressure-sensitive and motion sensitive device used in place of a mouse.

Optical Drive

(CD Rom Drive)

The drive that uses laser light or electromagnetic waves to read (or write) data that has been stored on the disc.

Hard Drive

A device that stores all your date; it houses the hard disk where all your files and folders are physically located

Memory (RAM)

RAM (random access memory) is the place in a computer where the operating system, application programs, and data is kept so that they can be quickly reached by the computer’s processor. RAM is faster to read from & write to that other kinds of computer storage, hard disk, CD-ROM.

However the data in RAM is only there if the computer is running – when you turn off your computer, RAM loses its data. When you turn your computer back on, your operating system & other files are once again loaded into RAM, usually from your hard disk.


An output device that produces a hard copy on paper. It gives information to the user in printed form.

Sound Card

Connects the speakers and microphone to the computer.


The place where the computer is connected to the phone line.

Operating System

The software that supports a computer’s basic functions or operations, scheduling tasks, executing applications, managing storage, (input/output), and controlling peripherals