Internal Data Representation Answers

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Answers:
Selection 1:octal number system
Selection 2:binary number system
Selection 3:hexadecimal number system
Selection 4:decimal number system
Selection 5:binary number system
Selection 6:decimal number system
Selection 7:hexadecimal number system
Selection 8:octal number system
3

This numbering system uses 16 symbols: binary number systemdecimal number systemoctal number system✔ hexadecimal number system

A
binary number system
B
decimal number system
C
octal number system
D
✔ hexadecimal number system
5

This numbering system uses 2 symbols: ✔ binary number systemdecimal number systemoctal number systemhexadecimal number system

A
✔ binary number system
B
decimal number system
C
octal number system
D
hexadecimal number system
6

This numbering system uses 10 symbols: binary number system✔ decimal number systemoctal number systemhexadecimal number system

A
binary number system
B
✔ decimal number system
C
octal number system
D
hexadecimal number system
7

This numbering system uses numbers and letters: binary number systemdecimal number systemoctal number system✔ hexadecimal number system

A
binary number system
B
decimal number system
C
octal number system
D
✔ hexadecimal number system
10

Use the drop-down menu to correctly identify the numbering system.This numbering system uses 8 symbols:binary number systemdecimal number system✔ octal number systemhexadecimal number system

Answers:
Selection 1:octal number system
Selection 2:binary number system
Selection 3:hexadecimal number system
Selection 4:decimal number system
Selection 5:binary number system
Selection 6:decimal number system
Selection 7:hexadecimal number system
Selection 8:octal number system
11

Use the table on the right to convert from binary to decimal.

A
The binary value of decimal 10 is A.
B
The binary value of decimal 13 is 1001
C
The binary value of decimal 15 is 1111.
D
The binary value of decimal 14 is E.
12

Use the table on the right to convert from decimal to binary.

A
The decimal value of binary 1000 is 10.
B
The decimal value of binary 1100 is 12.
C
The decimal value of binary 1001 is 11.
D
The decimal value of binary 1110 is E.
13

Use the table on the right to convert from hexadecimal to binary.

A
The binary value of hexadecimal D is 1101.
B
The binary value of hexadecimal 9 is 1000.
C
The binary value of hexadecimal C is 1110.
D
The binary value of hexadecimal F is 17.
14

Use the table on the right to convert from decimal to hexadecimal.

A
The hexadecimal value of decimal 12 is F.
B
The hexadecimal value of decimal 9 is 1001.
C
The hexadecimal value of decimal 9 is 11.
D
The hexadecimal value of decimal 10 is A.
15

Use the table on the right to convert from decimal to octal.

A
The octal value of decimal 12 is 13.
B
The octal value of decimal 9 is 1001.
C
The octal value of decimal 13 is 15.
D
The octal value of decimal 10 is A.
16

There are many reasons to convert to the decimal numbering system. Select the best answer.

A
When checking numeric values in computer memory, decimal makes sense because you use decimal numbering every day.
B
When checking words in computer memory, decimal makes sense because you use decimal numbering every day.
C
When comparing values in a computer program, decimal numbering makes sense because it is always shorter than hexadecimal.
D
When checking words in computer memory, decimal numbering makes sense because it is easier than hexadecimal.
17

Identify the reasons that numeric data representation is important to computer programmers. Check all that apply.

A
The computer reads data in binary form.
B
Using a number system that makes sense to a programmer makes it easier to track the data.
C
Number systems are used all around the world for important work.
D
The ability to represent data in 0s and 1s is essential to computing.
18

This numbering system uses 0 and 1: ✔ binary number systemdecimal number systemoctal number systemhexadecimal number system

A
✔ binary number system
B
decimal number system
C
octal number system
D
hexadecimal number system

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