CompTIA Chapter 6 Full Review

Aria is learning about different notational systems in her computer science class. What is a notational system used for in computing?

• To represent different quantities or characters

• To perform arithmetic operations

• To store data in memory

• To create graphical interfaces

Kai and Ava are learning about different notational systems in their computer science class. Which of the following is NOT a notational system used to represent values and quantities?

• Decimal

• Binary

• Hexadecimal

• Octal

Elijah is learning about number systems in his math class. What is the base number of the decimal system?

• 2

• 8

• 10

• 16

Emma is counting her savings. What is the place value of the third column from the right in the decimal system?

• 1

• 10

• 100

• 1000

Ava is learning about different number systems in her computer science class. What is the base number of the binary system?

• 2

• 8

• 10

• 16

Noah is learning about binary numbers in his computer science class. How is the number 51 expressed in binary?

• 110011

• 110010

• 110101

• 1100111

Liam is working on a computer science project and needs to convert the decimal number 1234 to its hexadecimal representation. What is the correct hexadecimal value?

• 4D2

• 4E2

• 4F2

• 4C2

Abigail is learning about hexadecimal digits in her computer science class. Which of the following is NOT a correct representation of the hexadecimal digits?

• A

• G

• F

• C

Elijah is learning about computers. What is the basic unit of computer data?

• Byte

• Bit

• Kilobyte

• Double byte

Rohan is learning about computers. He wants to know how many bits are there in a byte?

• 4

• 8

• 16

• 32