WEEK 3 DAY 3&4 TLE - COMPUTER SYSTEM SERVICING

Q1 Week 3 Day 3 & 4 TLE - COMPUTER SYSTEM SERVICING

INPUT, OUTPUT AND STORAGE DEVICES​

Objectives:

1. Enumerate the different input, output and storage devices

2. Distinguish the difference between input, output and storage devices

3. Show understanding to the function of each computer devices​

​What are the input and output devices of a computer?

​The devices attached to a personal computer can be classified into two -- the input and output devices.

​

Input Device is composed of a device that accepts data and instructions from the user or from another computer system.

​

While, Output Device is any piece of computer hardware that displays results after the computer has processed the input data that has been

Multiple Choice

A device that accepts data and instructions from the user or from another computer system

• Input Device

• Output Device

Multiple Choice

A device that displays results after the computer has processed the input data that has been entered

• Input Device

• Output Device

​INPUT DEVICES

​a. Keyboard is the first input device developed for the computer and modeled from the typewriter keys. It allows one to input letters, numbers and other symbols in a computer.

​

b. Mouse is used to control the cursor or pointer on the

screen and to give commands to the computer.

​

c. A graphics tablet is used for sketching new images or tracing old one using special stylus

​INPUT DEVICES

​d. Touch screen is a display screen that is sensitive to the

​ touch of a finger or stylus. It became wildly popular for

smart phones, tablets and laptops.

​

e. Light pen is a light-sensitive stylus wired to a video terminal used to draw pictures or to select menu options.

​

f. Scanner is a light sensitive device that helps copy images and documents, and converts it into digital form that can be processed and stored by the computer

​INPUT DEVICES

g. Microphone is used as an audio-input device, and its function is to enter or record sound into computer.

h.    Web camera is a video camera that feeds its image to a computer.

i.     A joystick looks like car’s stick shift. It controls objects on screen.

Multiple Choice

Touch Screen is a light sensitive device that helps copy images and documents, and converts it into digital form that can be processed and stored by the computer.

• True

• False

Fill in the Blank

is the first input device developed for the computer and modeled from the typewriter keys. It allows one to input letters, numbers and other symbols in a computer.

Multiple Choice

A display screen that is sensitive to the touch of a finger or stylus. This became wildly popular for smart phones and tablets.

• Touch Screen

• Keypad

• Typewriter

• Keyboard

OUTPUT DEVICES

a.    Monitor displays information in visual form using text and graphics.
b.    Projector is a compact, high resolution and full color that is capable of projecting text, images, video and audio content.
c.  Smart board is a type of display screen that has a touch sensitive transparent panel covering the screen, which is like a touch screen.

OUTPUT DEVICES

​

d.    Printer is a device that prints documents or images on a paper.

e.    A speaker is a device that produces computer output in form of sound

Fill in the Blank

An output device that prints documents or images on a paper.

Multiple Choice

A Monitor is a device that produces computer output in form of sound

• TRUE

• FALSE

​STORAGE DEVICES

​

a.    Floppy disk known as diskette is a portable magnetic storage device that can store up to 1.44 MB of data which is equivalent to around 300 pages of A4 text

b.    Optical disc is a form of removable storage which includes compact disc (CD), digital versatile disc (DVD) and blu-ray disc that uses a laser to read and write data on optical media.

c.     Hard disk is the main and largest data storage device in a computer.

​STORAGE DEVICES

​

d.    Flash drive also known as thumb drive, jump drive or pen drive is a small, portable flash memory card that plugs into a computer USB port and functions as a portable hard drive.

e.    A memory card or flash card is an electronic flash memory data storage used for storing digital information commonly found in digital cameras, mobile phones and tablets.

f.     Zip drive is a small disk drive used primarily for backing up and archiving computer files.

Multiple Choice

It is also known as thumb drive, jump drive or pen drive

• Flash drive

• Optical Disc

• Memory Card

Multiple Choice

Hard disk is the main and largest data storage device in a computer.

• TRUE

• FALSE

Multiple Choice

A memory card or flash card is an electronic flash memory data storage used for storing digital information commonly found in digital cameras, mobile phones and tablets.

• TRUE

• FALSE