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IT 104 > Midterm > Flashcards

Midterm Flashcards

1
Q
  • Graphical User Interface (GUI)
A

form of UI that lets users use icons and indicators

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2
Q
  • graphics tablets
A

the device by which pics and graphs fit into a pc

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3
Q

bitmap

A

a representation of an item corresponding to a bit

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4
Q

pixel

A

basic unit of programmable color

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5
Q

bits and bytes

A

bits smaller unit, byte is 8 bits

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6
Q

hertz

A

equal to one cycle per second

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7
Q

ASCii

A

American Standard code for info interchange is a character encoding standard for electronic communication.

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8
Q

System Unit

A

part of computer that holds primary device

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9
Q

motherboard

A

the main circuit board on a computer

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10
Q

bus

A

the system used to connect components and data

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11
Q

bus

A

subsystem used to connect components and data

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12
Q

power supply

A

an electrical device that supplies electric power to an electrical load.

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13
Q

expansion boards

A

an expansion card is a printed circuit board that can be inserted into an electrical connector

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14
Q

expansion slots

A

expansion slot on a computer’s motherboard to add functionality to a computer system.

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15
Q

USB

A

an industry standard that establishes specifications for cables, connectors and protocols for connection, communication and power supply between computers, peripherals and other computers.

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16
Q

HDMI

A

a port to transfer high-resolution digital video, top-quality sound and device commands via a connector and through a single cable.

17
Q

DVI

A

The digital interface is used to connect a video source, such as a video display controller, to a display device, such as a computer monitor

18
Q

legacy port

A

a legacy port is a computer port or connector that is considered by some to be fully or partially superseded.

19
Q

Central Processing Unit (CPU)

A

also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program

20
Q

Central Processing Unit (CPU)

A

also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program

21
Q

Control Unit (CU)

A

a component of a computer’s central processing unit that directs the operation of the processor.

22
Q

o Arithmetic Logic Unit (ALU)

A

a combinational digital circuit that performs arithmetic and bitwise operations on integer binary numbers

23
Q
  • pipelining
A

the process of storing and prioritizing computer instructions that the processor executes.

24
Q
  • parallel processing
A

a method in computing of running two or more processors (CPUs) to handle separate parts of an overall task

25
Q
  • memory
A

the electronic holding place for the instructions and data a computer needs to reach quickly

26
Q

Read-Only Memory (ROM

A

a type of computer storage containing non-volatile, permanent data that, normally, can only be read, not written to

27
Q

o Random Access Memory (RAM)

A

a computer’s short-term memory, where the data that the processor is currently using is stored

28
Q

o Random Access Memory (RAM)

A

a computer’s short-term memory, where the data that the processor is currently using is stored

29
Q
  • Liquid Crystal Display
A

a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers

29
Q
  • Liquid Crystal Display
A

a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers

30
Q

Light-Emitting Diode (LED)

A

a semiconductor device that emits light when current flows through it.

31
Q

Organic LED (OLED)

A

is a light-emitting diode in which the emissive electroluminescent layer is a film of organic compound that emits light in response to an electric current

32
Q
  • resolution
A

indicates the number of pixels that are displayed per inch for an image

33
Q

refresh rate

A

how many times per second the display is able to draw a new image

34
Q

color depth

A

is either the number of bits used to indicate the color of a single pixel, or the number of bits used for each color component of a single pixel

35
Q

Augmented Reality (AR)

A

is an interactive experience that combines the real world and computer-generated content

IT 104 (2 decks)

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