Question # 1

In decimal (101)₂ + (11)₂ is equal to:

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2

4

8

None of these

The decimal number "2" in binary number system is equivalent to:

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0

1

10

11

The decimal number 43 comprises:

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4 units and 4 tens

3 tens and no unit

0 unit and 4 tens

3 units and 4 tens

(100011)₂ x (1101)₂ = ---------------------------

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(111000111)₂

(100011001)₂

(100000001)

(110011001)₂

(145)₁₀ = ( )₂

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10010001

10010111

11100001

10001001

In decimal system (12)₅ is equal to

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17

7

15

60

(1101)₂ + (1001)₂ = --------------------------------

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(10110)₂

(11100)₂

(10001)₂

(11011)₂

A matrix with same number of rows and columns is known as:

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Diagonal matrix

Scalar matrix

Square matrix

None

(10101)₂ in decimal system is

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32

26

21

30

The decimal number 23 in simplest form is:

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3(10)^o + (10)¹

2(10)^o + 3 (10)¹

2(10)^o + 3 (10)²

3(10) + 2 (10)²

a : b :: c : d is:

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a/b = d/c

b/a = c/d

a/b = c/d

None of these

2143 in binary system is ------------------

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(1111100111)₂

(100001011111)₂

(1101101101)₂

(1000010111)₂

Basically proportion is of:

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4 types

3 types

2 types

None of these

5 in binary system is:

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(10)₂

(101)₂

(11)₂

None of these

(1100000)₂ - (111111)₂= --------------------------- :

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(100001)₂

(110001)₂

(1000111)₂

(111110)₂

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