Number Systems - 2 Online Test

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Number Systems - 2

Description: This is a test for knowledge of number systems and their conversion
Number of Questions: 25
Created by: Shiva Nambiar
Tags: Number Systems Binary Computer Multiple Objective Digital Computer Number System Number System and Its Application

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The 9's compliment of 381 is

The 10's compliment of (715) base 8 is

The sign magnitude representation of binary number + 1101.001 is

01101.011
11101.011
03.100
13.100

The 2's compliment of binary number 010111.1100 is

121.1100
120.2
010111.0011
120.0011

The result of the addition of A0 base 16 and 6B base 16 is

10 B base 16
16 B base 16
AOB base 16
A6B base 16

The excess 3 code is also known as

cycle redundancy code
weighted code
self complimenting code
algebraic code

Let 12A7C base 16 = x base 8. The value of x is

224174
425174
6173
225714

Let each integer be represented by five bits. Which of the following systems will be

one's compliment only
two's compliments only
sign and magnitude and one's compliments
one's compliments and two's compliments

Which of the following is an unweighted code?

8421 code
Excess 3 code
2421 code
5211 code

The sign magnitude representative of decimal number _687 is

0687
9687
1687
1312

The sign magnitude representation of binary number -1101.011 is

01101.001
13.100
11101.001
13.101

The 1's compliment of the binary number 1101101 is _________.

0003
0010010
0211
1101110

Cyclic codes are used in

data transfer
continuously varying signal representative
arithmetic and logical computation
None of these

ASCII and EBCDIC are different in

their efficiency in storing data
the random and sequential access method
the number of bytes used to store characters
their collecting sequences

How many 1's are present in the binary representation of 15 * 256 + 5 * 16 + 3?

The number of 1's present in the binary representation of (3 x 512 + 7 x 64 + 5 x 8 + 3) base 10 is

The result of (37)₁₆ + (19)₁₆ is

(56)₁₆
(50)₁₆
(59)₁₆
None of these

Which of the following codes uses 7 bits to represent a character?

ASCII
EBCDIC
BCD
GRAY

What is the 2' s compliment representation of -5/8?

0.1010
1.3
-0.1101
1.0110

Multimedia technology includes

audio
video
text
All the above

What is the value of x provided (12x) base3 = (123)x?

2
3
5
None of the above

Which of the following codes is non-weighted?

Decimal number system
Excess - 3 code
Binary number system
Oman number system

If (123) base 5 = (x3) y, then the number of possible values of x is

The result of the subtraction of FD base 16 and 88 base 16 is

75 base 16
65 base 16
5E base 16
10 base 16

Which of the following statements is true about BCD code?

Conversation to and from the decimal system can be done easily.
It is a 8-4-2-1 weighted code.
(12345678)base 10 need 4 bytes in BCD representation.
Compliment of a number can be found efficiently.

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Number Systems - 2

6 B

19

- 88

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