What is the purpose of ASCII encoding?

To represent text in computers by assigning numerical values to characters

To organize files in a computer system

What is the significance of the most significant bit in binary numbers?

It determines the sign of the number.

It indicates the parity of the number.

It determines the number of bits in the binary number.

It represents the decimal point position.

Explain the difference between ASCII and Unicode encoding.

ASCII is limited to 128 characters, while Unicode supports a wider range of characters.

ASCII is a newer encoding standard compared to Unicode.

ASCII supports emojis, while Unicode does not.

ASCII is used for text encoding, while Unicode is used for image encoding.

Data Representation Fundamentals

Authored by Ummi Jamilah

Computers

7th Grade

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the base of the binary number system?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many digits are used in the hexadecimal number system?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of 1011 in binary?

110

1000

101

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Convert the binary number 1101 to hexadecimal.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What bitwise operation is used to set a bit to 1?

Bitwise OR (|)

Bitwise NOT (~)

Bitwise XOR (^)

Bitwise AND (&)

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the ASCII code for the letter 'A'?

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Unicode code point for the heart symbol ❤️?

U+2665

U+1F60D

U+2765

U+2764

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Data Representation Fundamentals

What is the base of the binary number system?

How many digits are used in the hexadecimal number system?

What is the value of 1011 in binary?

Convert the binary number 1101 to hexadecimal.

What bitwise operation is used to set a bit to 1?

What is the ASCII code for the letter 'A'?

What is the Unicode code point for the heart symbol ❤️?

What is the maximum value that can be represented with 8 bits?

Convert the hexadecimal number 2F to binary.

What bitwise operation is used to toggle a bit?

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