hardware

the physical components of a computer systerm

operating systerm

the set of programs that control the basic functions of a computer anh provide communication between the application program anh the hardware

applications program

a computer program designed to be used for a particular purpose

mouse

a common cursor control input device used with a graphical user interface. It conmontly has two or three button switches on top and a ball underneath that is rolllerd on a flat surface

keyboard

the main electronic input device that has keys arranged in a similar layout to a typewriter.

expansion card

an electronic circuit board used for adding facilities to a computer

expert systerm

an artifical intelligence program that collects and used human expertise to allow non-experts to solve specialized problems.

peripheral (ngoai vi)

a piece of equipment that is connected to the central processing unit of a computer systerm

network

a combination of a number of computers anh peripheral devices connected together

software

the programs and data used in a computer

perform

execute, do

word processor

program used for text manipulation

online

connected to the internet

download

copy files from a server ti your PC of mobile

built-in

integrated (tich hop)

digital

describes information that is recorded or broatcast using computers

store

keep, save

financial 

monetary

data

collection of facts of figures

give money

keep databases

transfer presentations

enter a PIN

 access records

RAM

holds instructions which are needed to start up the computer

Processsor

controls all the operations in a computer

clock

controls the timing of signals in the computer

flash memory key

reads and writes to electronic chips on a card

dvd-rom drive

reads dvd-roms

cache

provides extremely fast access for sections of a program and its data

ROM

holds data read or written ti it by the processor

data moves between the CPU anh RAM

Data flows from ROM to the CPU

A program is read from disk into memory

Data is transferred along the data bus

The address number is put onto the address bus

The hard disk drive is inside a sealed case

heads move across the disk

Tracks are divided into sectors

mainframe

the largest and most powerful type of computer

server

the main computer that provides a service on a network

storage device

a piece of equipment used for reading from and writing to a storage medium

bus

the set of conductors that carry signals between different parts of a computer

scanner

an optical input device that uses the reflection of a light to copy texts or graphics into a computer

swipe card

a plastic card with a magnetic strip running across it containing confidential data

data mining

a process of filtering through large amounts of raw data for useful information

AI

A computing tool that tries to operate in a way similar to the human brain

Cleansed data

data free from duplicate and erroneous information

Data warehouse

Storage method of archiving large amounts of data to make it easy to access

microprocessor 

changed so that it can be operated and controlled using a computer

mailmerge

a word processing facility that causes a mailing list to be automatically combined with standard letter to produce a separate copy of the letter adddressed to each person on the mailing list.

barcode reader

an optical input devce that uses the reflection of a light beam to read barcode labels

computerizeds

an area of computing concerned with developing computer programs 

byte

a unit of storage capacity. It is made up of 8 bits

Artificical intelligence

the main electronic chip in a computer. It does the main processing and controls the orther parts of the computer

radar

a system of using the reflection of radio waves to detect an object and determine its location

numeric keypad

the section of a computer keyboard that includes keys for the entering numerical digits and mathematical operators

magnetic tape

a magnetic storage medium in the form of a thin plastic ribbon wound on a reel of a cassette. It is commonly used for backing up data

code

a piece of program text written in a programming language

restore (phuc hoi)

to put data back into its original icon

Floppy disk (dia mem)

a magnetic storage device in the form of a small plastic disk

back up

 to store a copy of data on a storage device to keep it safe

barcode

a sequence of vertical parallel lines used to give items a unique identification number

record

a section of database made up of related databases fields

transistor

a solid state electronic switch of amplifier