Computer system

Question 1

brain of computer
it directs and controls the entire computer system and performs all arithmetic and logical operations

Answer 1

Central processing Unit

Question 2

where the programs and data are stored

Answer 2

Memory Unit

Question 3

contains the pre programmed computer instructions such as Basic Input Output System (BIOS)

Answer 3

ROM- Read Only Memory

Question 4

BIOS

Answer 4

Basic Input Output System

Question 5

used to store the programs and data that you will run. exists only when there is power

Answer 5

RAM- Random Access Memory

Question 6

allows data and programs to be sent to the cpu

Answer 6

Input Devices

1.keyboard
2.mouse
3.joystick
4.microphone
5.webcam
6.scanner
7.monitor

Question 7

type of keyboard

Answer 7

traditional
flexible
ergonomic
wireless
PDA personal digital assistant

Question 8

two types of mouse

Answer 8

1.mechanical- has rubber or metal ball
2.optical- uses laser for detecting the mouse’s movement

Question 9

how a mouse hooks up to a PC

Answer 9

1. PS/2 Mouse
   2.Serial Mouse
   3.USB/Cordless mouse

Question 10

other pointing devices

Answer 10

1.trackball
2.track point
3.touch pad
4. touch screen
5. joystick- id for computer games
6.light pens- light sensitive penlike device
7.stylus- penlike device used with tablet,PCs and PDAs

Question 11

scanning devices

Answer 11

1.optical scanners
2.card readers
3. bar code readers
4.character and mark recognition devices

Question 12

image capturing devices

Answer 12

1.digital cameras
2.digital video cameras

Question 13

media used by computer in displaying its responses to our request and instructions

Answer 13

output devices

monitor
audio speakers
printer

Question 14

types of monitor

Answer 14

1. Cathode ray tube (crt)
   2.Liquid Crystal Display (lcd)

Question 15

typers of printers

Answer 15

dot matrix printer
inkjet printer
laser printer

Question 16

uses pressure by physically striking the paper. Ex. Daisy wheel printers, line printers, dot matrix printers & band printers.

Answer 16

impact printers

Question 17

does not apply pressure on the paper but instead produces character by using lasers, ink spray, photography or heat.

Answer 17

non impact printer

Question 18

Attached to the computer system to allow you to store programs and data permanently for the purpose of retrieving them for future use.

Answer 18

second storage devices

floppy disk
hard disk
CD Rom

Question 19

most common secondary storage
3.5 disk-144MB

Answer 19

Floppy Disk

Question 20

• Floppy disk cartridges
• 3 ½ inches in diameter
• Stores more information
• Zip disks

Answer 20

high capacity floppy disks

Question 21

made of rigid materials unlike floppy disks
holds greater amount of data

Answer 21

hard disk drive or hard disk

Question 22

optical disk kind

Answer 22

blue ray disk
digital versatile disk
compact disk

Question 23

a standard part of modern desktop machine, especially used for multimedia purposes and preferred in loading applications

Answer 23

Optical Disks

Question 24

reads CDS

Answer 24

CD-ROM

Question 25

reads/write CDS

Answer 25

CD-Writer

Question 26

reads/write CDS,read DVD

Answer 26

DVD-Combo

Question 27

reads/write CDS reads/write DVDs

Answer 27

DVD Writer

Question 28

Optical Drives

Answer 28

CD-ROM CD-Writer DVD-Combo DVD Writer

Question 29

other secondary storage

Answer 29

solid state storage usb flash drives

Question 30

parts that build up a system unit

Answer 30

•Casing or cover • Power Supply • Motherboard • Microprocessor • Memory • Video Card •Sound card • Floppy disk drive • Hard disk drive • CD-ROM drive • MODEM

Question 31

The box or outer shell that houses most of the computer, it is usually one of the most overlooked parts of the PC. • Protects the computer circuits, cooling and system organization.

Answer 31

case or cover

Question 32

Responsible for powering every device in your computer.

Answer 32

power supply

Question 33

Parts of a Power supply:

Answer 33

- Disk drive connectors - Motherboard connector - Power supply fan - Power switch - Input voltage selector - Cover - Power plugs receptacle

Question 34

• The physical arrangement in a computer that contains the computer's basic circuitry and components.

Answer 34

mother board

Question 35

mother board components

Answer 35

- Microprocessor - (Optional) Coprocessors - Memory - Basic Input/Output System (BIOS) - Expansion Slot - Interconnecting circuitry

Question 36

expansion slots

Answer 36

• Graphic cards • Sound cards • Modem cards • Network interface cards/network adapter

Question 37

Instructions that tell the computer how to process data into the form you want.

Answer 37

software

Question 38

2 kinds of software

Answer 38

system software application software

Question 39

enables the application software to interact with the computer hardware.

Answer 39

system software

Question 40

programs that coordinate computer resources, provide an interface between users and the computer; and run applications.

Answer 40

operating system

Question 41

are specialized programs designed to allow particular input or output devices to communicate with the rest of the computer system.

Answer 41

device drivers

Question 42

provides the real functionality of a computer. It help you use your computer to do specific types of work.

Answer 42

application software

Question 43

functions of system software

Answer 43

• Managing resources (memory, processing, storage, and devices like printer). • Providing user interface • Running applications

Question 44

was the first widely installed operating system for personal computers. • Command-driven

Answer 44

Disk operating system

Question 45

• A COMMAND is the name of a special program that makes your computer carry out a task.

Answer 45

MS-DOS Commands

Question 46

users can interact directly with the operating system. • Microsoft Windows • Icons, Menus, Dialog boxes

Answer 46

Graphical User Interface (GUI)

Question 47

simply a collection of information that you store on a disk or diskette. • Must have a unique name

Answer 47

FILES Two parts: the filename and extension separated by a period. RECIPE.DOC

Question 48

to make your filenames more descriptive. - DOC - word documents - XLS - excel documents - PPT - powerpoint documents

Answer 48

Extensions

Question 49

• One way of organizing the files on your computer Hard Disk • ROOT - one basic directory • Subdirectories

Answer 49

DIRECTORIES

Question 50

collection of independent and unorganized facts.

Answer 50

DATA

Question 51

is the processed and organized data presented in a meaningful form.

Answer 51

Information

Question 52

is the course of doing things in a sequence of steps.

Answer 52

Data processing

Question 53

is an electronic machine that follows a set of instructions in order that it may be able to accept and gather data and transform these into information.

Answer 53

computer

Question 54

functions of an information processing system

Answer 54

1. It accepts and gather data. (INPUT) 2. It processes data to become information. (PROCESSING) 3. It stores data and information. (STORE) 4. It presents information. (OUTPUT)

Question 55

is the tangible part of a computer system.

Answer 55

hardware

Question 56

non-tangible part that tells the computer how to do its job.

Answer 56

software

Question 57

refer to people who use and operate the computer system, write computer programs, and analyze and design the information system.

Answer 57

peopleware

Question 58

is a unit of information equivalent to the result of a choice between only 2 possible alternatives in the binary number system.

Answer 58

BIT (binary unit)

Question 59

a sequence of 8 bits (enough to represent one character of alphanumeric data) processed as a single unit for information.

Answer 59

byte

Question 60

basic hardware of pc system

Answer 60

• Central Processing Unit (CPU) • Memory Unit • Input Devices • Output Devices • Secondary Storage Devices