Unit 1 Test APCSP

Question 1

Computer

Answer 1

a machine that works with information

Question 2

Input

Answer 2

receives the information and decides where it needs to go

Question 3

Output

Answer 3

sends out the information to achieve the initial goal

Question 4

Processing

Answer 4

processes the information to the output or storage

Question 5

Storage

Answer 5

stores the information in the computer

Question 6

Hardware

Answer 6

physical parts required for the computer to run

Question 7

Software

Answer 7

set of instructions that allow the computer to perform tasks

Question 8

Motherboard

Answer 8

Allows communication between all parts of the computer

Question 9

CPU

Answer 9

Executes all commands for the computer

Question 10

GPU

Answer 10

Displays what you can see, handles most heavy tasks

Question 11

RAM

Answer 11

Temporary space for CPU to work

Question 12

Hard drive

Answer 12

long-term space to be used

Question 13

Bit

Answer 13

zero or one

Question 14

Byte

Answer 14

consists of 8 bits

Question 15

Decimal to binary

Answer 15

64 - 0100 0000

Question 16

Binary to decimal

Answer 16

0010 0000 - 32

Question 17

Overflow error

Answer 17

error from attempting to represent a number that is too large

Question 18

Rounding error

Answer 18

Error from attempting to represent a number that is too precise. The value is rounded.

Question 19

ASCII table

Answer 19

A code that goes along with certain numbers or letters or special characters that represent each pair to make up a code. Represented by binary numbers.

Question 20

Abstraction

Answer 20

Between the actual message or picture to the binary numbers

Question 21

Analog Image

Answer 21

Data with values that change continuously, or smoothly, over time. Some examples of analog data include music, colors of a painting, or position of a sprinter during a race.

Question 22

Digital image

Answer 22

Data that changes discreetly through a finite set of possible values

Question 23

Sampling

Answer 23

A process for creating a digital representation of analog data by measuring the analog data at regular intervals called samples.

Question 24

Pixel

Answer 24

The tiny little dots that make up a picture

Question 25

RLE

Answer 25

Combining different colors to make the colors that is needed with binary numbers in coding

Question 26

Lossless compression

Answer 26

It compresses the original data and doesn’t lose data. This is used for more important information.

Question 27

Lossy compression

Answer 27

It compresses the original data losing some of it in the process. This is used for unimportant information.

Question 28

Intellectual property

Answer 28

Our own mind creation that we have created through our brain.

Question 29

Copyright

Answer 29

What you might claim if you see your stuff somewhere else is that someone is claiming to be there’s and has used it without your permission.

Question 30

Creative Commons

Answer 30

A claim that is held on your stuff to keep others from stealing and using your stuff without permission.