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Data and Information in Computer Science

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Data and Information in Computer Science

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Questions and Answers

What is the primary reason why hexadecimal is often used as a go-between for humans?

It has a larger number of symbols than binary
It has a 1:2 ratio of digits with binary
It is more compatible with human thinking and concepts
It has an exact 1:4 ratio of digits with binary and has more symbols (correct)

What is the main advantage of displaying data in hexadecimal over binary?

It takes four times less space than binary (correct)
It takes more space than binary
It takes the same amount of space as binary
It takes twice as much space as binary

What is the primary purpose of using hex editors and ASCII decoders?

To analyze the contents of a file in binary
To convert binary data to decimal
To view the contents of a file in a human-readable format (correct)
To view the contents of a file in hexadecimal

What is the ratio of digits in binary to hexadecimal?

1:4 (B) Signup and view all the answers

What is the advantage of using ASCII code scheme?

It represents letters, numbers, and symbols by exactly one byte of data (A) Signup and view all the answers

What is the main difference between hexadecimal and octal numbering systems?

Hexadecimal has a larger number of symbols than octal (A) Signup and view all the answers

What is the purpose of converting decimal to binary in computers?

To store and process data more efficiently (B) Signup and view all the answers

What is the significance of the hex number D8 in the given figure?

It represents the binary value of 11011000 (D) Signup and view all the answers

What is the limitation of using binary to represent data in computers?

It is difficult for humans to read and understand (A) Signup and view all the answers

What is the primary purpose of using different numbering systems such as hexadecimal and octal?

To make it more compatible with human thinking and concepts (B) Signup and view all the answers