• - It is a volatile type of memory

- refers to as Main Memory or Primary

Memory

– contains permanently stored

instructions that cannot be changed

- Also known as Auxiliary Memory.

- It is a non-volatile type of memory that is responsible foe keeping files permanently.

- It is an electronic circuit that sends data and messages between the other components.

• - It attach input and output devices to the computer.

- It allow the addition of extra features.

• - Are special temporary storage which quickly accepts, stores, and transfers data and instructions for immediate use.

refers to the physical and tangible

components of the computer system.

executes all the instructions and it is considered the brain of the computer system.

The parts are control unit (CU) and

arithmetic/logic unit (ALU). Other parts that go

along with the processor are bus, ports,

expansion slots, and registers.

It stores data and instructions before the execution and the processed data as well

it allows communication between the computer and its outside world via input and output devices.

It is the most commonly used input device.

It consists of keyboard, video display screen and a communication line to a mainframe computer

can be used only to input data to and receive information from a computer system.

can do input and output and has some limited processing capability.

a full fledge microcomputer with a

communication link

a pointing device that allows you to control an on-screen cursor.

the upside-down version of the mouse. A ball mounted in box is rolled with the fingers to move the cursor.

a video display screen that picks up input from the user through the touch of a finger.

it is a point and draw input device that

allows you to draw directly on screen.

a pen-like device with which the

user “sketches” an image or puck

a pen like stylus to enter handwriting and marks into a computer.

It translates images of text, drawing, and

photos and the like into forms of data that can be understood by

the computer.

photoelectric scanner that translate the

bar code symbols into digital forms.

it reads the strange-looking numbers printed at the bottom of bank checks

it reads pencil marks

it reads special preprinted

characters

it scans an image and sends it as an electronic signals over telephone

lines

it converts text, drawings, and photographs into forms

it contain a microprocessor and a

memory chip.

it s a plastic, laser-recordable card used

with an optical card reader.

they convert human

speech into digital code.

they record or play analog sounds

signals that come from VCR o r a

camera recorder

they capture images in electronic

form

it collects specific kinds of data directly from the environment

it contains electrical components that make the computer works

is a device that converts AC to DC power to run the computer.

is the main circuit board in the system unit.

the microprocessor chip.

used to speed up your computer system

it controls how fast all operations within a computer are performed.

chips that temporarily hold data and instructions

chips containing programs that are built into the computer

is the special high-speed memory that the CPU can access quickly.

are sockets on the motherboard into

which you can plug expansion cards or boards.

the electrical pathways through which nits are transmitted within the CPU and between the CPU and other

devices in the system unit.

the sockets on the outside of the system unit that each connected to an expansion board on the inside of the system unit.

it represents a new bus standard for

notebooks, subnotebooks and pocket computers.

refers to main memory (RAM)

refers to storage devices that retain data

and instruction in a relatively permanent (non-volatile) form.

use a laser beam to pack information

densely on are movable disk

a sequential file storage represented by

various arrangements of magnetized spots along the width of

the tape

a metal plotter where data is represented by magnetized spots on the tracks.

a recording of a data cell device

capable of storing 400 million of data

a continuous strip of paper wound on a

reel where data is represented by holes punched on the paper.

a recording medium of data represented by magnetized spots that is coated with a magnetically sensitive material divided into tracks.

a long sheets of paper where data

is represented thru print out.

stores large volume of information printed or photographed as a very small

images on sheets or roll of film called Microfiche.

It is when an information has been recorded in a tangible medium, such as paper or microfilm

it is when an output is temporarily displayed on the screen

it is capable of printing characters, symbols and graphics.

it has contact with papers like daisy wheel printers, dot-matrix printers and line printers

it has no contact with the paper like

laser printer, ink-jet printers and thermal printers.

they are specialized output devices that can produce high quality graphics in a variety of colors.

the most popular type of plotter

electrostatic charges create tiny dots

on specially treated paper

its pins are electronically heated and are

used with heat-sensitive paper to produce images.

the most popular softcopy output

device used on microcomputers

they are used with portable computers.

it converts digital signals to analog signals

commonly used in networking, to facilitate the communication between those computers.

a modem with fax capability installed as a circuit board in the motherboard of a computer

it combines several low-speed transmission into one high-speed transmission

it collects data in a temporary storage area, then send it forward when enough has been accumulated

a computer that handles

communications for mainframes

refers to a group of related programs that supervise the execution of an application program

refers to programs that sit on top of OS

a single term for all types of programming aids

the programs used to write other

programs

used to convert source program into a form suitable for execution

it accept or collect data and convert it into a form suitable for processing

It is used to retrieve and execute the instructions provided by the computer

It temporarily or permanently store data used for processing and the output of such processing

It provide a means for the user to view

information produced by the computer system

It facilitate the connection between computers connected with a

network of computers over phone lines and other channels

facilitating applications programs

use program designed to solve problem

commonly called application

package

specifically written for an

organization

refers to the personnel involved in data processing operations