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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
A device that can read text or illustrations printed on paper and translates the information into a form the computer can use.
Scanning Devices
26
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.
Voice Input devices
27
Any piece of computer hardware that displays results after the computer has processed the input data that has been entered
Output Devices
28
It displays information in visual form, using text and graphics.
Computer Display Monitor
29
3 Types of Monitor
CRT monitor, LCD monitor and LED monitors
30
were the only type of displays for use with desktop PCs. They are relatively big (14" to 16" deep) and heavy (over 15 lbs).
CRT Monitors (Cathode Ray Tubes)
31
technology has been used in laptops for some time. It has recently been made commercially available as monitors for desktop PCs.
LCD Monitors (Liquid Crystal Display)
32
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.
LED Monitors (Light Emitting Diode)
33
utilize two sheets of polarizing material with a liquid crystal solution between them.
LCD Projectors
34
4 output devices
Computer Devices, LCD projectors,Smart Board & Printer
35
A type of display screen that has a touch sensitive transparent panel covering the screen, which is similar to a touch screen.
Smart Board
36
A device that prints text or illustrations on paper.
Printer
37
5 Types of printer
Ink-Jet or Bubble-Jet Printer Laser Printer LCD and LED Printer Line Printer Thermal Printer
38
sprays ink at a sheet of paper.
Ink-Jet or Bubble-Jet Printer
39
Uses the same technology as copy machines.
Laser Printer
40
Similar to a laser printer, but uses liquid crystals or light-emitting diodes rather than a laser to produce an image on the drum.
LCD and LED Printer
41
Contains a chain of characters or pins that print an entire line at one time.
Line Printer
42
An inexpensive printer that works by pushing heated pins against heat-sensitive paper.
Thermal Printer
43
Used to play sound. They may be built into the system unit or connected with cables.
speaker
44
External connecting sockets on the outside of the computer.
ports
45
Intended for serial type mouse and older camera
Serial Port
46
Also called as printer port. This is only for old model printer. It has 25 pins. It is a female port.
Parallel Port
47
Used to connect monitors. It has 15 pins and it is a female port.
VGA (Video Graphic Array) Port
48
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.
USB (Universal Serial Bus) Port
49
Simple, 6-pin, low-speed serial connections commonly dedicated to a keyboard and mouse.
PS/2 Port
50
Intended for power cord
Power Port
51
are available on certain source components and video display devices, and offer a higher level of video performance over composite video signals
S-Video Port
52
Intended for plugging in the speaker or headset.
Audio Port
53
A physical interface often used for terminating twisted pair type cables used to connect computers onto a local-area networks
LAN (Local Area Networking) Port
54
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 cable
55
the set of instructions (also called a program) that guides the hardware to operate effectively.
Software
56
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.
System Software
57
Designed to help the user to perform singular or multiple related tasks.
Application Software
58
Examples of application software
Word processing software Spreadsheet software Database management software Graphic software
59
Creates, edits, saves, and prints documents.
Word processing software
60
An electronic spreadsheet consisting of rows and columns is used to present and analyze data.
Spreadsheet software
61
Used to structure a database, a large collection of computer programs. Data is organized as fields and records for easy retrieval.
Database management software
62
programs display results of data manipulation for easier analysis and presentation.
Graphic software
63
Refers to people involved in the data processing operations such as the system administrator, office workers, students and others.
People ware

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