Unit 2 Review - Computer Hardware

Front

Is a data storage device that uses magnetic storage to store and retrieve digital information using one or more rigid rapidly rotating disks (platters) coated with magnetic material?

Back

Hard Disk

Front

Is a disk drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs? Options: CD/DVD Drive, Hard Disk, Mother Board, Power Supply

Back

CD/DVD Drive

Front

Is a form of computer data storage that stores data and machine code currently being used?

Back

RAM

Front

What is the electronic circuitry within a computer that carries out the instructions of a computer program by performing the basic arithmetic, logical, control and input/output (I/O) operations? Options: USB, ROM, CPU, UPS

Back

CPU

Front

What is the main printed circuit board (PCB) found in general purpose microcomputers and other expandable systems that holds and allows communication between many of the crucial electronic components of a system? Options: Video Card, Sound Card, Motherboard, Network Card

Back

Motherboard

Front

Is an electrical device that supplies electric power to an electrical load. The primary function of a power supply is to convert electric current from a source to the correct voltage, current, and frequency to power the load.

Back

Power Supply

Front

Fans attached to components are usually used in combination with a heat sink to increase the area of heated surface in contact with the air, thereby improving the efficiency of cooling.

Back

Cooling Fan

Front

Is an internal expansion card that provides input and output of audio signals to and from a computer under control of computer programs.

Back

Sound Card

Front

Is an expansion card which generates a feed of output images to a display. Frequently, these are advertised as discrete or dedicated graphics cards, emphasizing the distinction between these and integrated graphics.

Back

Graphic Card

Front

Is an electronic device that connects a computer to a computer Network, usually a LAN.

Back

Network Card