Unit 3: Data Representation

Question 1

Bit

Answer 1

Short for binary digit, 0 or 1

Question 1

Byte

Answer 1

8 Digits

Question 2

Number Bases

Answer 2

Used to represent data, including binary and decimal

Question 3

Binary (Base 2)

Answer 3

Using only combinations of 0 and 1

Question 4

Decimal (Base 10)

Answer 4

Using only combinations of 0 to 9

Question 5

Modulus Operator

Answer 5

An arithmetic operator used to return the remainder of a division operation

Question 6

Overflow Error

Answer 6

An error caused by the limitation of the range of values and mathematical operations on those values by representing integers with a fixed number of bits

Question 7

Round-Off error

Answer 7

An error caused by the limitation of using a fixed number of bits to represent real numbers which limits the range and mathematical operations on those values

Question 8

List

Answer 8

An ordered sequence of elements

Question 9

Element

Answer 9

An individual value in a list that is assigned a unique index

Question 10

Index

Answer 10

A common method for referencing the elements in a list or string using natural numbers

Question 11

Complete list traversal

Answer 11

All elements in the list are accessed

Question 12

Partial list traversal

Answer 12

Only a portion of elements in the list are accessed

Question 13

Fixed-Point Representation

Answer 13

A method of representing fractional (non-integer) numbers by storing a fixed number of digits of their fractional part.

Question 14

Floating-Point Representation

Answer 14

A type of number used in computer programming that is used to represent real numbers with a high degree of precision