Unit Test 1 Class 8 Computer

Quiz
•
Computers
•
8th - 9th Grade
•
Hard
ashish raj
Used 69+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The input hexadecimal representation of 1110 is _______________
0111
15
E
14
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Convert the binary equivalent 10101 to its decimal equivalent.
21
12
22
31
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is not a binary number?
1111
10101
11E
0100101
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is the correct representation of a binary number?
(124)2
1110
(110)2
(000)2
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What could be the maximum value of a single digit in an octal number system?
8
7
6
5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The binary number 111 in octal format is ________________
6
7
9
8
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is not the characteristics of binary number system
Last position in a binary number represents a x power of the base 2. Example 2 x where xrepresents the last position - 1.
Uses two digits, 0 and 1.
Each position in a binary number represents a 0 power of the base 2. Example 20
Also called base 1 number system
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