Lesson 1-11

Question 1

Input

Answer 1

The directions you give a computer to carry out certain functions, called outputs

Question 2

Output

Answer 2

The outcome of an input, the action the computer takes

Question 3

Storage

Answer 3

The amount of data a computer can hold

Question 4

Processing

Answer 4

The manipulation of data done by a computer

Question 5

What is a computer?

Answer 5

A device that takes in and manipulates information

Question 6

CPU

Answer 6

Central Processing Unit, the brain of a computer

Question 7

GPU

Answer 7

Graphics Processing Unit, renders images on a display

Question 8

Hard Drive

Answer 8

Long term computer storage

Question 9

RAM

Answer 9

Temporary computer storage

Question 10

Motherboard

Answer 10

Allows other parts of a computer to communicate

Question 11

Hardware

Answer 11

Physical parts of a computer

Question 12

Software

Answer 12

Programs and operating systems of a computer(not physical)

Question 13

Bit

Answer 13

Smallest unit of data computers can process, 1 or 0

Question 14

Byte

Answer 14

Group of 8 bits

Question 15

What is 23 in binary form?

Answer 15

10111

Question 16

What is 10010110 in decimal form?

Answer 16

150

Question 17

Overflow

Answer 17

When a program receives a number or variable that doesn’t fit

Question 18

Rounding error

Answer 18

An error from trying to represent a number that is to precise, it is rounded by the computer

Question 19

What is ASCII?

Answer 19

A key that computers use to represent certain characters, such as the alphabet

Question 20

What is A in ASCII

Answer 20

97

Question 21

Abstraction

Answer 21

When all but the relevant data about something is hidden in order to compress something and increase efficiency

Question 22

Pixel

Answer 22

The smallest unit that make up digital displays

Question 23

Sampling frequency

Answer 23

The level of detail used when making a digital sample, determined by the amount of pixels used in the sample

Question 24

What is the correct order of Abstraction for how computers represent images?

Answer 24

binary -> RGB -> pixel -> sampled image -> digital image

Question 25

Analog image

Answer 25

An image represented by continuous variation of tone, like a photograph

Question 26

Digital image

Answer 26

The representation of an analog image using pixels

Question 27

RLE

Answer 27

Form of Lossless compression where runs of data are stored as a single data value

Question 28

Lossless compression

Answer 28

Compression of data where no information is lost

Question 29

Lossy compression

Answer 29

Compression of data where some date is lost, but it's more efficient to send and takes less storage

Question 30

Intellectual property

Answer 30

Work or an invention that is the product of creativity

Question 31

Copyright

Answer 31

The legal right to ownership and control over a certain creative work

Question 32

Creative commons

Answer 32

An organization to create free licenses for creators to make their work available to the public

Question 33

Overflow analogy

Answer 33

If a box is meant to hold 10 cans but you try to fit 12, the left over 2 overflow the box