Binary and Data Representation

What is binary code used for in computers?

• To create images

• To store data as a series of 0s and 1s

• To increase processing speed

• To connect to the internet

How many bits are there in one byte?

• 4

• 8

• 16

• 32

What does ASCII stand for?

• American Standard Code for Information Interchange

• American Standard Code for International Interchange

• American System Code for Information Interchange

• Automated Standard Code for Information Interchange

Which ASCII code represents the uppercase letter 'A'?

• 65

• 97

• 64

• 66

What is the binary representation of the decimal number 5?

• 101

• 110

• 111

• 100

What is a bitmap?

• A type of vector graphic

• A map of binary digits

• A digital image composed of a matrix of dots

• A protocol for transferring files

How is the color of each pixel in a bitmap image typically represented?

• By a single bit

• By a hexadecimal code

• By a combination of bits

• By ASCII codes

What is the minimum number of bits needed to represent the decimal number 10 in binary?

• 2

• 3

• 4

• 5

Which of the following is a correct ASCII representation?

• '1' = 49

• '1' = 50

• 'A' = 64

• 'a' = 65

In a bitmap image, what does a higher bit depth allow?

• Faster loading times

• More colors per pixel

• Larger file sizes

• Both B and C