COMPUTER HARDWARE

Kris Marinov

HARDWARE DEFINITIONHARDWARE DEFINITION

• Comprehensive term for all of the physical parts Comprehensive term for all of the physical parts of the computer.of the computer.

• Refers to objects you can touch, like disks, disk Refers to objects you can touch, like disks, disk drives, display screens , keyboard, printers and drives, display screens , keyboard, printers and chips.chips.

• The pages and the ink are hardware, while the The pages and the ink are hardware, while the words and sentences are the software words and sentences are the software

SoftwareSoftware

• Exists as ideas, concepts, and symbols

• Provides instructions for the hardware to accomplish tasks.

• Can not be touched like the hardware. All parts are inside the computer.

Different types of hardwareMODEM

Device that modulates a carrier signal to encode digital information.

Demodulates carrier signal to decode the transmitted information.

Goal- produces a signal that can be transmitted easily and decoded to reproduce the original digital data.

Pointing deviceMOUSE

Handled pointing device for computers, Being a small object fitted with one or more

buttons and shaped to sit naturally under the hand.

Called mouse primarily because the cord on early models resembled the rodent’s tail, and also because the motion of the pointer on the screen can be mouse-like

Graphics cars, video card video board, video adapter

Computer components designed to convert the logical representation of visual information into a signal that can be used as input for display medium.

USB flash driveUSB flash drive

NAND-type flash memory integrated with a NAND-type flash memory integrated with a USB, small, removable, lightweight and USB, small, removable, lightweight and removable data storage up to 16GB removable data storage up to 16GB

Also known as pen drives, chip sticks, thumb Also known as pen drives, chip sticks, thumb drives, flash drives and USB keys drives, flash drives and USB keys