Midterm

Question 1

• Graphical User Interface (GUI)

Answer 1

form of UI that lets users use icons and indicators

Question 2

• graphics tablets

Answer 2

the device by which pics and graphs fit into a pc

Question 3

bitmap

Answer 3

a representation of an item corresponding to a bit

Question 4

pixel

Answer 4

basic unit of programmable color

Question 5

bits and bytes

Answer 5

bits smaller unit, byte is 8 bits

Question 6

hertz

Answer 6

equal to one cycle per second

Question 7

ASCii

Answer 7

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

Question 8

System Unit

Answer 8

part of computer that holds primary device

Question 9

motherboard

Answer 9

the main circuit board on a computer

Question 10

bus

Answer 10

the system used to connect components and data

Question 11

bus

Answer 11

subsystem used to connect components and data

Question 12

power supply

Answer 12

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

Question 13

expansion boards

Answer 13

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

Question 14

expansion slots

Answer 14

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

Question 15

USB

Answer 15

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

Question 16

HDMI

Answer 16

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

Question 17

DVI

Answer 17

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

Question 18

legacy port

Answer 18

a legacy port is a computer port or connector that is considered by some to be fully or partially superseded.

Question 19

Central Processing Unit (CPU)

Answer 19

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

Question 20

Central Processing Unit (CPU)

Answer 20

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

Question 21

Control Unit (CU)

Answer 21

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

Question 22

o Arithmetic Logic Unit (ALU)

Answer 22

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

Question 23

• pipelining

Answer 23

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

Question 24

• parallel processing

Answer 24

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

Question 25

* memory

Answer 25

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

Question 26

Read-Only Memory (ROM

Answer 26

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

Question 27

o Random Access Memory (RAM)

Answer 27

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

Question 28

o Random Access Memory (RAM)

Answer 28

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

Question 29

* Liquid Crystal Display

Answer 29

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

Question 29

* Liquid Crystal Display

Answer 29

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

Question 30

Light-Emitting Diode (LED)

Answer 30

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

Question 31

Organic LED (OLED)

Answer 31

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

Question 32

* resolution

Answer 32

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

Question 33

refresh rate

Answer 33

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

Question 34

color depth

Answer 34

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

Question 35

Augmented Reality (AR)

Answer 35

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