CSP

Question 1

input

Answer 1

information is entered into a computer through clicking, touching, etc

Question 2

output

Answer 2

the final form of the information that is displayed as images on the screen, sound, etc

Question 3

processing

Answer 3

computer manipulates data; converts it into something it understands, like binary, through types like if/then, comparing, etc

Question 4

computer

Answer 4

a machine that works with information

Question 5

hard drive

Answer 5

• Storage space for all software (files, apps, programs, operation systems)
• Measured in Bytes

Question 6

RAM (Random Access Memory)

Answer 6

• Temporary space for the CPU to work
• Like your desk top in class - what do I need right now to do the task at hand
• Measured in Byte

Question 7

motherboard

Answer 7

• The main circuit of a computer
• All parts connect to it
• Allows communication between other parts of the computer

Question 8

hardware

Answer 8

physical parts required for a computer to run; what makes a computer powerful

Question 9

software

Answer 9

set of instructions that allows hardware to perform different tasks; can be changed; the ability to run different ___ is what makes a computer flexible

Question 10

bit

Answer 10

a binary digit, represented by a 1 or 0

Question 11

byte

Answer 11

8 bits together

Question 12

convert from decimal-binary

Answer 12

subtract the number from the highest 2^ it can go; record a 1 for each 2^ it can be subtracted from

Question 13

convert from binary-decimal

Answer 13

add the 2^ that are “on” (have a 1 in their place)

Question 14

overflow

Answer 14

error from attempting to represent a number that is too large

Question 15

rounding error

Answer 15

error from attempting to represent a number that is too precise; the value is rounded

Question 16

ASCII table

Answer 16

standardized encoding system that assigns a decimal number to each text character that can be coverted into binary to represent them

Question 17

abstraction

Answer 17

pulling away unnecessary information/details

Question 18

pixel

Answer 18

a tiny, square, illuminated element that makes up a digital image, composed of one color

Question 19

sampling frequency

Answer 19

how many pixels an analog image is split up into to represent a digital image

Question 20

analog image

Answer 20

the real world image being sampled

Question 21

digital image

Answer 21

representation of an analog image using sampling, pixels, and RGB colouring

Question 22

RLE

Answer 22

form of losseless compression where each pixel’s contents are represented; color is listed first, then the number of subsequent pixels that are also that color

Question 23

lossless compression

Answer 23

compressed down without a loss of data so it can be restored to its original quality

Question 24

lossy compression

Answer 24

image data is reduced and lost forever; cannot be restored back to original quality

Question 25

intellectual property

Answer 25

the instant theoretical rights/property a person gets to an idea

Question 26

copyright

Answer 26

the exclusive legal right given to a creator to print, publish, perform, film, or record literary, artistic, or musical material, and to authorize others to do the same

Question 27

Creative Commons

Answer 27

a public copyright license that a creator uses to declare how they want their artistic creations to be shared, remixed, used in noncommercial contexts, and how the policy should propagate with remixed versions