Exploring Computer Number Systems

Exploring Computer Number Systems

11th Grade

20 Qs

quiz-placeholder

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Exploring Computer Number Systems

Exploring Computer Number Systems

Assessment

Quiz

English

11th Grade

Hard

Created by

Thyanou Thorn

Used 3+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

តើប្រព័ន្ធលេខដែលប្រើប្រាស់ក្នុងប្រព័ន្ធកុំព្យូទ័រមានប្រព័ន្ធគោលអ្វីខ្លះ?

Decimal, Binary, Octal, Hexadecimal

Decimal, Binary, Integer, Hexadecimal

Decimal, Whole number, Odd numbers, Real numbers

Decimal, Binary, Real, Number, Hexadecimal

Answer explanation

The main types of number systems in computing are Binary (base 2), Octal (base 8), Decimal (base 10), and Hexadecimal (base 16). These systems are essential for data representation and processing in computers.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

បម្លែងDecimal 10 ទៅជា Binary

1011

1010

1001

1100

Answer explanation

To convert the decimal number 10 to binary, divide by 2 and record the remainders. 10 ÷ 2 = 5 (remainder 0), 5 ÷ 2 = 2 (remainder 1), 2 ÷ 2 = 1 (remainder 0), 1 ÷ 2 = 0 (remainder 1). Reading the remainders from bottom to top gives 1010.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

តើលេខBinary មួយណាដែលមានតម្លៃស្មើនឹង Decimal 5?

101

100

110

111

Answer explanation

To convert the decimal number 5 to binary, divide by 2 and record the remainders. 5 divided by 2 is 2 with a remainder of 1, then 2 divided by 2 is 1 with a remainder of 0, and finally 1 divided by 2 is 0 with a remainder of 1. Reading the remainders from bottom to top gives 101.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

គណនាផលបូកBinary នៃ 1011 និង 1101។

10100

1110

10010

11000

Answer explanation

To add 1011 and 1101 in binary, align them and add from right to left: 1+1=10 (0 carry 1), 1+0+1=10 (0 carry 1), 0+1+1=10 (0 carry 1), 1+1=10 (0 carry 1). The result is 11000.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

គណនាផលបូកBinaryនៃ 1110 និង 0011 ?

1101

1011

10010

10001

Answer explanation

To add 1110 and 0011 in binary, align the numbers and add each column from right to left, carrying over when necessary. The result is 10001, which is the correct answer.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

គណនាចំនួនសរុបនៃ Binary 1101

13

15

14

12

Answer explanation

To convert the binary number 1101 to decimal, calculate: (1×2^3) + (1×2^2) + (0×2^1) + (1×2^0) = 8 + 4 + 0 + 1 = 13. Thus, the correct answer is 13.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

គណនាផលដក Binary 1010 ចេញពី 1100?

0010

1110

1001

0100

Answer explanation

To subtract 1010 from 1100, align the numbers and perform binary subtraction. Starting from the right, 0-0=0, 0-1 requires borrowing, making it 10-1=1, then 1-0=1, and finally 1-0=1. The result is 0010.

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