Office System Technology Lesson-1

Office System TechnologyLesson-1

External Components of a Computer

Given a diagram students will write the name of the external components of the computer in the blank next to the corresponding with a criterion of 100% accuracy.

A computer case is the enclosure that contains

most of the components of a computer .

Tower Case

A monitor or display (sometimes called a visual display unit) is an electronic visual display for computers.

Originally computer monitors are used for data processing.

Monitor

Keyboards are by far the best way to input text into a computer

Keyboard

A digital camera is a camera that takes video or still photographs, or both, digitally by recording images via an electronic image sensor.

Digital Camera

Trackball is an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen; "a trackball is essentially an upside-down mouse"

Trackball

A device that controls the movement of the cursor or pointer on a display screen.

Mouse

Scanner

A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display.

Computer speakers, or multimedia speakers, are speakers external to a computer, that disable the lower fidelity built-in speaker.

Computer Speakers

Printer

A {peripheral} device for producing text and and images on paper.

Will there be any questions?

Office System TechnologyLesson-2

Internal Components of a Computer

Given a diagram students will write the name of the internal components of the computer in the blank next to the corresponding with a criterion of 100% accuracy.

Power Supply

The power supply supplies the electrical power for a computer. It supplies power to the motherboard, drives, and certain expansion cards

Video Card

A video card, video adapter, graphics accelerator card, display adapter, or graphics card is an expansion card whose function is to generate output images to a display

Sound Card

The sound card is what processes a computer's sound data.

Modem

A sound card is a computer expansion card that facilitates the input and output of audio signals to and from a computer under control of computer programs.

Motherboard

A motherboard is the central printed circuit board (PCB) in many modern computers and holds many of the crucial components of the system, while providing connectors for other peripherals.

ROM

Read only-memory, a type of storage media which is used in computers and other electronic devices.

Hard Drive

A hard disk drive is a non-volatile storage device for digital data. It features one or more rotating rigid platters on a motor-driven spindle within a protective enclosure.

Floppy Drive

A floppy disk is a data storage medium that is composed of a disk of thin, flexible ("floppy") magnetic storage medium sealed in a square or rectangular plastic carrier lined with fabric that removes dust particles.

RAM

Random-access memory (RAM) is a form of computer data storage.

CPU

The central processing unit (CPU) is the portion of a computer system that carries out the instructions of a computer program, and is the primary element carrying out the computer's functions.

BIOS

The central processing unit (CPU) is the portion of a computer system that carries out the instructions of a computer program, and is the primary element carrying out the computer's functions.

Will there be any questions?