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1st mid Flashcards

1
Q

The main part of a microcomputer, sometimes called the chassis.

A

System unit

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2
Q

system unit includes the parts:

A

Motherboard, Microprocessor, Memory Chips, Buses, Ports, Expansion Slots and Cards.

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3
Q

The main circuit board of a computer. It contains all the circuits and components that run the computer.

A

Motherboard / Mainboard / System Board

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4
Q

The processor is the main “brain” or “heart” of a computer system.

A

CPU (Central Processing Unit)

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5
Q

is the computer’s working storage space that holds data, instructions for processing and processed data (information) waiting to be sent to secondary storage.

A

Primary storage-(internal storage, main memory or memory)

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6
Q

Two (2) Types of Memory

A

ROM – (Read Only Memory)
RAM – (Random Access Memory)

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7
Q

is non-volatile, meaning it holds data even when the power is ON or OFF.

A

ROM

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8
Q

is volatile, meaning it holds data only when the power is on.

A

RAM

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9
Q

is a data pathway between several hardware components inside or outside a computer

A

Expansion Bus

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10
Q

Printed-circuit boards (also called interface cards) that enable the computer to use a peripheral device for which it does not have the necessary connections or circuit boards.

A

Adapters

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11
Q

Installed in the back corner of the PC case, next to the motherboard.

A

Power Supply Unit (PSU)

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12
Q

Also known as hard drive, is a magnetic storage device that is installed inside the computer.

A

Hard Disk Drive (HDD)

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13
Q

is a storage device that uses lasers to read data on the optical media.

A

Optical Drive

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14
Q

Designed to optically access data stored on a DVD. A laser moves back and forth near the disk surface and accesses data at a very fast rate.

A

Digital Versatile Disc (DVD)

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15
Q

Accepts data and instructions from the user or from another computer system.

A

Input Devices

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16
Q

Two (2) Types of Input Devices

A

Keyboard Entry and Direct Entry

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17
Q

Data is inputted to the computer through a keyboard.

A

Keyboard Entry

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18
Q

A form of input that does not require data to be keyed by someone sitting at a keyboard.

A

Direct Entry

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19
Q

Three Categories of Direct Entry Devices

A

Pointing devices,Scanning devices and Voice- Input Devices

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20
Q

An input device used to move the pointer (cursor) on screen.

A

Pointing devices

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21
Q

The most common ‘pointing device’ used in PCs.

A

Mouse

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22
Q

A display screen that is sensitive to the touch of a finger or stylus.

A

Touch screen

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23
Q

A light-sensitive stylus wired to a video terminal used to draw pictures or select menu options.

A

light pen

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24
Q

used for sketching new images or tracing old ones.

A

Digitizer Tablet

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25
Q

A device that can read text or illustrations printed on paper and translates the information into a form the computer can use.

A

Scanning Devices

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26
Q

also known as speech or voice recognition systems that allow a user to send audio signals to a computer for processing, recording, or carrying out commands.

A

Voice Input devices

27
Q

Any piece of computer hardware that displays results after the computer has processed the input data that has been entered

A

Output Devices

28
Q

It displays information in visual form, using text and graphics.

A

Computer Display Monitor

29
Q

3 Types of Monitor

A

CRT monitor, LCD monitor and LED monitors

30
Q

were the only type of displays for use with desktop PCs. They are relatively big (14” to 16” deep) and heavy (over 15 lbs).

A

CRT Monitors (Cathode Ray Tubes)

31
Q

technology has been used in laptops for some time. It has recently been made commercially available as monitors for desktop PCs.

A

LCD Monitors (Liquid Crystal Display)

32
Q

A display and lighting technology used in almost every electrical and electronic product on the market, from a tiny on/off light to digital readouts, flashlights, traffic lights and perimeter lighting.

A

LED Monitors (Light Emitting Diode)

33
Q

utilize two sheets of polarizing material with a liquid crystal solution between them.

A

LCD Projectors

34
Q

4 output devices

A

Computer Devices, LCD projectors,Smart Board & Printer

35
Q

A type of display screen that has a touch sensitive transparent panel covering the screen, which is similar to a touch screen.

A

Smart Board

36
Q

A device that prints text or illustrations on paper.

A

Printer

37
Q

5 Types of printer

A

Ink-Jet or Bubble-Jet Printer
Laser Printer
LCD and LED Printer
Line Printer
Thermal Printer

38
Q

sprays ink at a sheet of paper.

A

Ink-Jet or Bubble-Jet Printer

39
Q

Uses the same technology as copy machines.

A

Laser Printer

40
Q

Similar to a laser printer, but uses liquid crystals or light-emitting diodes rather than a laser to produce an image on the drum.

A

LCD and LED Printer

41
Q

Contains a chain of characters or pins that print an entire line at one time.

A

Line Printer

42
Q

An inexpensive printer that works by pushing heated pins against heat-sensitive paper.

A

Thermal Printer

43
Q

Used to play sound. They may be built into the system unit or connected with cables.

A

speaker

44
Q

External connecting sockets on the outside of the computer.

A

ports

45
Q

Intended for serial type mouse and older camera

A

Serial Port

46
Q

Also called as printer port. This is only for old model printer. It has 25 pins. It is a female port.

A

Parallel Port

47
Q

Used to connect monitors. It has 15 pins and it is a female port.

A

VGA (Video Graphic Array) Port

48
Q

High speed serial interface that is used with almost all devices. It is used to connect latest model printers, pen drives, cell phones etc. it has 4 pins.

A

USB (Universal Serial Bus) Port

49
Q

Simple, 6-pin, low-speed serial connections commonly dedicated to a keyboard and mouse.

A

PS/2 Port

50
Q

Intended for power cord

A

Power Port

51
Q

are available on certain source components and video display devices, and offer a higher level of video performance over composite video signals

A

S-Video Port

52
Q

Intended for plugging in the speaker or headset.

A

Audio Port

53
Q

A physical interface often used for terminating twisted pair type cables used to connect computers onto a local-area networks

A

LAN (Local Area Networking) Port

54
Q

is most often two or more wires running side by side and bonded, twisted or braided together to form a single assembly, but can also refer to a heavy strong rope.

A

A cable

55
Q

the set of instructions (also called a program) that guides the hardware to operate effectively.

A

Software

56
Q

required to support the production or execution of application programs, but which is not specific to any particular application. Common operating systems include Windows, the Macintosh OS, OS/2 and UNIX.

A

System Software

57
Q

Designed to help the user to perform singular or multiple related tasks.

A

Application Software

58
Q

Examples of application software

A

Word processing software
Spreadsheet software
Database management software
Graphic software

59
Q

Creates, edits, saves, and prints documents.

A

Word processing software

60
Q

An electronic spreadsheet consisting of rows and columns is used to present and analyze data.

A

Spreadsheet software

61
Q

Used to structure a database, a large collection of computer programs. Data is organized as fields and records for easy retrieval.

A

Database management software

62
Q

programs display results of data manipulation for easier analysis and presentation.

A

Graphic software

63
Q

Refers to people involved in the data processing operations such as the system administrator, office workers, students and others.

A

People ware

comp (3 decks)

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