Number System Revision

Number System Revision

7th Grade

8 Qs

quiz-placeholder

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Number System Revision

Number System Revision

Assessment

Quiz

Computers

7th Grade

Hard

Created by

herold lucia

FREE Resource

8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the decimal representation of the binary number 101010?
42
64
48
26

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the binary representation of the decimal number 33?
100001
101011
111000
110101

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the decimal representation of the hexadecimal number 7F?
127
92
144
113

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the decimal representation of the octal number 74?
60
26
48
42

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of adding 11001 and 101 in binary?
11110
11111
11101
11010

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of adding 11011 and 11100 in binary?

101111

101011

100111

110111

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of subtracting 1001 from 1110 in binary?

101

10

1101

1010

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of subtracting 10010 from 11001 in binary?
111
1001
11111
10001