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Question Bank: Encoding Schemes and Number System

This chapter introduces encoding schemes and number systems, essential for understanding how computers process data.

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Question Bank - Encoding Schemes and Number System

Q1.

What is the binary representation of the decimal number 10?

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Q2.

Which of the following is the correct base-16 representation for decimal 255?

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Q3.

How many unique characters can 7-bit ASCII encode?

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Q4.

Convert the binary number 1101 to its decimal equivalent.

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Q5.

What is the octal equivalent of the decimal number 65?

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Q6.

What is the hexadecimal representation of the binary number 11110000?

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Q7.

When converting decimal to binary, what do you do after noting the remainder?

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Q8.

Which of these conversions is NOT correct?

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Q9.

What will be the result if you convert (1010)2 to decimal?

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Q10.

If a character 'A' is represented as 65 in decimal, what is its hexadecimal value?

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Q11.

What is the binary representation of (256)10?

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Q12.

What would be the octal representation of (63)10?

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Q13.

In the hexadecimal system, what number follows 'A'?

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Q14.

Which number system is primarily used in digital circuits?

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Q15.

Convert (777)8 to decimal.

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Q16.

What is the base-10 value of the hexadecimal number '2F'?

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Q17.

What is the main purpose of encoding in computing?

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Q18.

Which character is represented by the decimal value 65 in ASCII?

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Q19.

What does ASCII stand for?

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Q20.

What binary value corresponds to the ASCII value of the character 'D'?

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Q21.

What would be the ASCII encoding of the word 'DATA'?

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Q22.

Which of the following is NOT a feature of ASCII?

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Q23.

Which encoding scheme would you use for international characters?

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Q24.

Which of these values is the hexadecimal representation of the ASCII character for 'a'?

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Q25.

What does the term 'cipher' refer to in encoding?

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Q26.

Which encoding system uses 8 bits and supports more characters than ASCII?

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Q27.

Which number system does a computer primarily use for encoding?

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Q28.

When was the first standard encoding scheme, ASCII, developed?

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Q29.

In the context of character encoding, what is a 'code value'?

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Q30.

What is the primary limitation of ASCII encoding?

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Q31.

If a character's binary code is '01000001', what is its ASCII character?

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Q32.

Which of the following statements about encoding is FALSE?

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Q33.

What is the decimal equivalent of the binary number (1011)?

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Q34.

Which of the following is the base of the octal number system?

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Q35.

Convert the decimal number 15 to binary.

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Q36.

What is the value of (7A)₁₆ in decimal?

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Q37.

How do you express the decimal fraction 0.625 in binary?

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Q38.

What is the binary representation of the decimal number 13?

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Q39.

Which of the following numbers is not valid in binary?

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Q40.

The octal number (45)₈ is equivalent to which decimal number?

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Q41.

How is the hexadecimal number (1F)₁₆ converted to decimal?

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Q42.

If (1101.01)₂ is converted to decimal, what is the whole number part?

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Q43.

Which conversion method is valid for changing a binary number to hexadecimal?

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Q44.

The binary number (11111111)₂ represents which decimal value?

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Q45.

How do you convert a binary fraction (0.101)₂ to decimal?

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Q46.

Convert the hexadecimal number (B2)₁₆ to binary.

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Q47.

What is the decimal value of (1001.01)₂?

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Q48.

Which statement is true regarding the conversion from decimal to binary?

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