IGCSE CS 0478 Hexadecimal

Multiple Choice

Which of the following is not a digit in the hexadecimal system?

• 9

• B

• G

• F

Multiple Choice

What is the highest digit in the hexadecimal system?

• 9

• F

• E

• D

Multiple Choice

What is the base of the Hexadecimal System?

• 2

• 10

• 16

• 8

Multiple Choice

Hexadecimal is used for MAC addresses. Part of a MAC address is given: 97 – 5C – E1. Each pair of digits is stored as binary in an 8-bit register. (a) Show what the binary register stores for the pair of digits 97.

• 10010111

• 01101001

• 11100011

• 10111001

Multiple Choice

Hexadecimal is used for MAC addresses. Part of a MAC address is given: 97 – 5C – E1. Each pair of digits is stored as binary in an 8-bit register. (a) Show what the binary register stores for the pair of digits 5C.

• 01011100

• 10101100

• 11001100

• 01111000

Multiple Choice

Hexadecimal is used for MAC addresses. Part of a MAC address is given: 97 – 5C – E1. Each pair of digits is stored as binary in an 8-bit register. (a) Show what the binary register stores for the pair of digits E1.

• 11100001

• 11010001

• 11110010

• 10100001

Multiple Choice

Convert the hexadecimal value 97 to binary. Fill in the blank: 97 = ________ (in binary)

• 10010111

• 11000001

• 01101001

• 10111001

Multiple Choice

Convert the hexadecimal value 5C to binary. 5C = ________ (in binary)

• 01011100

• 11010100

• 10111000

• 01111000

Multiple Choice

Convert the hexadecimal value E1 to binary. What is the binary representation of E1?

• 11100001

• 11010001

• 10100011

• 11110001

Multiple Choice

Why is the hex number system easier for humans to work with?

• It uses fewer digits

• It is more colorful

• It is easier to remember, copy, and work with

• It is more complex

Multiple Choice

What are error codes often shown as?

• Binary values

• Decimal values

• Hexadecimal values

• Octal values

Multiple Choice

Who needs to know how to interpret hexadecimal error codes?

• The user

• The programmer

• The hardware engineer

• The network administrator

Multiple Choice

What should you check if you have installed new hardware or software?

• Ensure it is properly installed

• Delete the installation files

• Run a virus scan

• Change your operating system

Multiple Choice

What should you do if problems continue after a new installation?

• Disable or remove newly installed hardware or software

• Install more RAM

• Change your monitor settings

• Update your graphics card

Multiple Choice

To what does the MAC address refer in a device?

• Central Processing Unit (CPU)

• Network Interface Card (NIC)

• Random Access Memory (RAM)

• Hard Disk Drive (HDD)

Multiple Choice

What does the first part of a MAC address represent?

• Serial number of a device

• Identity number of the manufacturer

• IP address of the device

• Network type

Multiple Choice

What does the second part of a MAC address represent?

• Identity number of the manufacturer

• Serial number of a device

• IP address of the device

• Network type

Multiple Choice

What is the address given to each device connected to a network called?

• Internet Protocol address

• Network Device address

• Internet Connection address

• Device Network address

Multiple Choice

How many bits is an IPv4 address composed of?

• 16 bits

• 32 bits

• 64 bits

• 128 bits

Multiple Choice

What is the bit length of an IPv6 address?

• 32 bits

• 64 bits

• 128 bits

• 256 bits

Multiple Choice

What type of language is HTML?

• Programming language

• Markup language

• Scripting language

• Machine language