Computer Science Quiz

What is the maximum number of outputs (combinations of 0 and 1) that can be represented by 5 bits?

• 8

• 16

• 32

• 64

Which of the following numbering systems uses the symbols A, B, C, D, E, and F to represent values greater than 9?

• Binary

• Octal

• Decimal

• Hexadecimal

Convert the binary number 1011011101 to decimal, octal, and hexadecimal bases.

• 733, 1335, 2DB

• 733, 1335, 2DD

• 734, 1337, 2DD

• 734, 1336, 2DE

Which of the following describes the data processing cycle?

• Input, Processing, Output

• Storage, Retrieval, Analysis

• Collection, Organization, Interpretation

• Encoding, Decoding, Transmission

Which of the following is NOT a standard for representing alphanumeric data (text)?

• ASCII

• Unicode

• WAV

• EBCDIC

What is the main difference between Extended ASCII and the original ASCII?

• Extended ASCII uses 7 bits, while original ASCII uses 8 bits.

• Extended ASCII uses 8 bits, while original ASCII uses 7 bits.

• Extended ASCII can only represent special characters, while original ASCII can represent all alphanumeric characters.

• Extended ASCII is used for international communication, while original ASCII is used only for English.

What is the primary advantage of Unicode over Extended ASCII?

• Unicode uses fewer bits per character, making it more efficient.

• Unicode can represent a much wider range of characters, including those from non-Western languages.

• Unicode is a proprietary format, while Extended ASCII is an open standard.

• Unicode is primarily used for representing images, while Extended ASCII is used for text.

How many bytes are required to store the decimal number 3,875,216?

• 2

• 3

• 8

• 16

Convert the hexadecimal number EACB16 to binary.

• 111010101100101100010110

• 11101010110010110001

• 1110101011001011

• 11101010110010

Which of the following statements about data and information is NOT correct?

• Data is a collection of raw facts.

• Information is processed data that is meaningful to people.

• Data is always presented in a meaningful way.

• Information is derived from data.