CSC 100 | Study Mode

Join Discuss Share to WhatsApp
Question 51
A
4
B
5
C
6
D
9
Explanation
The base 2 represents that the number is binary ,whereas, the base 10 represents that it is to be converted to the decimal format. Conversion: 22 * 1 + 21 * 1 + 20 *0 = 6.

Correct option: C
Join Discuss Share to WhatsApp
Question 52
A
0
B
1
C
10
D
100
Explanation
2s complement is obtained by adding 1 to the 1s complement of the number. Here, Binary of 15 = 1111 1s complement of 15= 0000 2s complement of 15= 0000+1=0001.

Correct option: B
Join Discuss Share to WhatsApp
Question 53
A
root
B
radix
C
entity
D
median
Explanation
Another name for base is radix. Base refers to the number of digits that a particular number system consists of. The base of decimal number system is 10 , binary is 2 and so on.

Correct option: B
Join Discuss Share to WhatsApp
Question 54
A
0.5
B
0.625
C
0.25
D
0.875
Explanation
Since the base is 2 , it could be easily guessed that the number is binary. Conversion: 2-1 * 1 + 2-2 * 0 + 2-3 * 1 = 0.625.

Correct option: B
Join Discuss Share to WhatsApp
Question 55
A
11
B
10000011
C
11111101
D
11111100
Explanation
Signed Magnitude of a number is a representation to determine if the number is positive or negative. If the MSB of a number is 0 , the number is positive , else if it is 1 the number is negative. Here, +3 = 00000011 -3= 100000011.

Correct option: B
Join Discuss Share to WhatsApp
Question 56
A
True
B
False
Explanation
In a decimal number system, a number with both integer and a fractional part has digits raised to both positive and negative powers of 10 and not 2. e.g. 22.34 = 2 * 101 + 2 * 100 + 3 * 10-1 + 4 * 10-2.

Correct option: B
Join Discuss Share to WhatsApp
Question 57
A
A
B
F
C
D
D
E
Explanation
The hexadecimal representations are as follows: 10 : A 11 : B 12 : C 13 : D 14 : E 15 : F.

Correct option: D
Join Discuss Share to WhatsApp
Question 58
A
114
B
43.47
C
99.9A
D
10101
Explanation
All the numbers except 99.9A are decimal numbers. This number has a hexadecimal component A in it therefore, it is not a valid decimal number. The decimal equivalent of A is 10.

Correct option: C
Join Discuss Share to WhatsApp
Question 59
A
(101)10 = (1100101)2
B
G is valid in hexadecimal system.
C
C represents 12
D
The base of a decimal number system is 10.
Explanation
G is not a valid hexadecimal number. In this system , only representations from A to E are used to represent the numbers from 10 to 15. The base of the hexadecimal number system is 16

Correct option: B
Join Discuss Share to WhatsApp
Question 60
A
Roman Number System
B
Octal Number System
C
Binary Number System
D
Hexadecimal Number System
Explanation
The Roman number system isnt a positional number system since , it uses symbols to represent numbers. The octal number system uses digits from 0-7 , the binary number system uses digits from 0-1 whereas, the hexadecimal number system uses digits from 0-15.

Correct option: A

Try this quiz in in E-test/CBT Mode
switch to CSC 100 in CBT Mode

Previous Page Next Page
Question Map
Quiz link
Share CSC 100 with your audience
Share to WhatsApp CBT mode Study mode copy link
​​​Help keep QUIZZERWEB running! 
A donation makes a contribution towards the costs, the time and effort that's going on in building and improving this platform.