CSP Unit 1

Question 1

analog signal

Answer 1

continuous and infinite data, similar to how data may appear in the natural world

Question 2

abstraction

Answer 2

the reduction of complexity being presented at a given point in computation: allowing for the use of something wihtout necessairly understanding it

Question 3

byte

Answer 3

a grouping of 8 bits, with a maximum possible value of 225

Question 4

lossless compression

Answer 4

storage conserving technique where data can be restored entirely to its original state without the loss of info

Question 5

round-off error

Answer 5

error from attempting to represent a number that is too precise

Question 6

data

Answer 6

info that may be stored and maipulated by a computer

Question 7

binary number

Answer 7

a base 2 number with two possible different digits

Question 8

ASCII

Answer 8

a stnadardized system for interpreting binary numbers as text

Question 9

overflow error

Answer 9

error from a given number value being larger than the container used to store it

Question 10

bit

Answer 10

a 1 or 0, used in a computer’s memory or processing

Question 11

digital signal

Answer 11

finite and segmented data, similar to data as it would be stored in a computer

Question 12

algorithm

Answer 12

a finite set of instructions for performing a particular task

Question 13

lossy compression

Answer 13

storage conserving technique where some amount of information or detail is lost in the process of saving storage space

Question 14

pixel

Answer 14

a single area of illumination on a screen, usually composed of smaller red, green, and blue lights which can be turned on or off

Question 15

decimal numbers

Answer 15

a base 10 number with ten possible digits

Question 16

sample size

Answer 16

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