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1.4.1 Data types - Suprit

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Define Real Numbers

Back (Answer)

Positive or negative numbers that typically have a decimal point

#2
Front (Question)

Define Integer

Back (Answer)

A whole number

#3
Front (Question)

Define Characters

Back (Answer)

Any symbol used by the computer

#4
Front (Question)

Define String

Back (Answer)

A collection of characters stored in succession

#5
Front (Question)

Define Boolean

Back (Answer)

Represents True or False

#6
Front (Question)

How do computers store whole numbers?

Back (Answer)

Computers store whole numbers as binary

#7
Front (Question)

How many bits make up a nibble?

Back (Answer)

4 bits

#8
Front (Question)

How many nibbles make up a byte?

Back (Answer)

2 nibbles

#9
Front (Question)

Convert binary number 1101 to denary

Back (Answer)

13

#10
Front (Question)

How many bits in a kilobyte?

Back (Answer)

8000

#11
Front (Question)

Convert 47 into binary

Back (Answer)

101111

#12
Front (Question)

What is 1011 + 1110?

Back (Answer)

(1)1001 (1) is an overflow

#13
Front (Question)

What does 0 and 1 at the start of a binary number represent in Sign Magnitude?

Back (Answer)

0 = Positive Number 1 = Negative Number

#14
Front (Question)

If 10101101 = 173, what does Sign Magnitude number 010101101 mean in denary?

Back (Answer)

It’s also 173

#15
Front (Question)

Convert -105 to a Sign Magnitude number

Back (Answer)

101101001

#16
Front (Question)

What is another way to represent positive and negative numbers in binary?

Back (Answer)

Two’s Complement

#17
Front (Question)

How do you convert a binary number into Two’s Complement?

Back (Answer)

Flip all of the individual bits and add 1 Example - 00000111 (7) becomes 11111000 when its initially flipped, and becomes 11111001 (-7) once 1 has been added on.

#18
Front (Question)

How does subtraction work in Two’s Complement?

Back (Answer)

It works by adding a negative number to a positive number

#19
Front (Question)

Subtract 10100 from 01000 in Two’s Complement.

Back (Answer)

11100 (-4)

#20
Front (Question)

What base is Hexadecimal?

Back (Answer)

Base 16

#21
Front (Question)

What numbers and characters are used in hexadecimal?

Back (Answer)

Numbers 0-9 and Characters A-F

#22
Front (Question)

How do you convert Hexadecimal to Binary?

Back (Answer)

• Split the Hexadecimal number into individual digits • Convert each digit into denary • Convert the denary into binary nibbles (4 bits) • Combine the nibbles together to get the answer.

#23
Front (Question)

Convert F1A2 to binary

Back (Answer)

Answer = 1111000110100010 Explanation - 1. Split F, 1, A, and 2 2. Convert each digit - F = 15 1 = 1 A = 10 2 = 2 3. Convert the denary into binary nibbles - 15 = 1111 1 = 0001 10 = 1010 2 = 0010 4. Combine them - 1111000110100010

#24
Front (Question)

How do you convert hexadecimal to denary?

Back (Answer)

• Split the Hexadecimal number into individual digits • Convert each digit into denary • Convert the denary into binary nibbles (4 bits) • Combine the nibbles together to get the answer. • Convert the binary number into denary