Understanding Data Representation

What is the binary equivalent of the decimal number 10?

• 1010

• 1100

• 1001

• 1011

How many digits are used in the hexadecimal number system?

• 12

• 10

• 16

• 8

Convert the octal number 17 to decimal.

• 12

• 16

• 14

• 15

What is the binary representation of the hexadecimal number A3?

• 10010011

• 10100010

• 10100011

• 11010011

Explain what ASCII stands for and its purpose.

• ASCII

• American Standard Code for Information Interchange

• A coding system for images

• A programming language for web development

What does BCD stand for and how is it used?

• Binary-Coded Decimal

• Bit-Coded Decimal

• Base-Coded Decimal

• Binary-Coded Data

What is the main difference between ASCII and EBCDIC?

• ASCII uses 8 bits while EBCDIC uses 7 bits.

• EBCDIC is primarily used in web applications, while ASCII is not.

• ASCII supports more characters than EBCDIC.

• ASCII is a 7-bit encoding scheme, while EBCDIC is an 8-bit encoding scheme.

How many bits are used in a standard ASCII character?

• 8 bits

• 5 bits

• 6 bits

• 7 bits

What is the range of values in the hexadecimal number system?

• 1 to 9

• A to Z

• 0 to F

• 0 to 10

Convert the decimal number 255 to its hexadecimal equivalent.

• F1

• FE

• FF

• F0