Number Systems and Codes 1

Number Systems and Codes 1

University

10 Qs

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Number Systems and Codes 1

Number Systems and Codes 1

Assessment

Quiz

Other

University

Practice Problem

Medium

Created by

KHAIRUN NISA BINTI KHAMIL -

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hey there, tech whizzes! Daniel, Benjamin, and Rohan are having a debate about number systems. Can you help them settle the score? What is the base of the binary number system?

Base 8

Base 10

Base 2

Base 16

Answer explanation

The binary number system is defined by its base, which is 2. This means it uses two symbols, 0 and 1, to represent all numbers. Therefore, the correct answer is Base 2.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is NOT a common number system?

Decimal

Binary

Octal

Quaternary

Answer explanation

Quaternary is not a common number system like Decimal, Binary, and Octal. Decimal (base 10), Binary (base 2), and Octal (base 8) are widely used in computing and mathematics, while Quaternary (base 4) is less common.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hey there, Anika! Can you help Aiden figure out what the least significant bit (LSB) in binary is? It's a fun little puzzle!

The highest value bit

The middle bit

The right-most bit

The left-most bit

Answer explanation

The least significant bit (LSB) in binary is the right-most bit. It represents the smallest value in the binary number, while the left-most bit is the most significant. Therefore, the correct answer is the right-most bit.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hey there, students! Can you guess how many digits are in the octal number system? It's a fun one!

Eight

Six

Ten

Twelve

Answer explanation

The octal number system is base 8, which means it uses eight digits: 0, 1, 2, 3, 4, 5, 6, and 7. Therefore, the correct answer is 'Eight'.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hey there, coding wizards! 🌟 Can you help Abigail figure out the hexadecimal representation of the decimal number 255? She’s counting on you!

AA

FF

1F

00

Answer explanation

The decimal number 255 converts to hexadecimal as FF. Each hex digit represents 16 values, and FF equals 15*16 + 15, which is 255 in decimal.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hey there, math whizzes! If Isla, Zoe, and Abigail were to have a friendly debate about which operation takes the crown in binary arithmetic, what would they say is performed first?

Division

Addition

Subtraction

Multiplication

Answer explanation

In binary arithmetic, the order of operations follows the same rules as in standard arithmetic. Multiplication is performed before addition and subtraction, making it the correct choice for the operation that takes the crown.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hey there, math whizzes! Sophia and David are having a friendly competition to see who can solve this binary addition problem faster. Can you help them out? What is the result of adding 1011 and 1101 in binary?

11000

11110

10010

10100

Answer explanation

To add 1011 and 1101 in binary, align the numbers and add column by column, carrying over when necessary. The result is 11000, which is the correct answer.

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