Description

This mock test of Number Conversion - Practice Test for UPSC helps you for every UPSC entrance exam.
This contains 6 Multiple Choice Questions for UPSC Number Conversion - Practice Test (mcq) to study with solutions a complete question bank.
The solved questions answers in this Number Conversion - Practice Test quiz give you a good mix of easy questions and tough questions. UPSC
students definitely take this Number Conversion - Practice Test exercise for a better result in the exam. You can find other Number Conversion - Practice Test extra questions,
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QUESTION: 1

Convert 56 from decimal to hexadecimal.

Solution:

56_{10} = 1×2^{5} + 1×2^{4} + 1×2^{3} + 0×2^{2} + 0×2^{1} + 0×2^{0} = 111000_{2} = 0011 1000_{2} = 38_{H}

QUESTION: 2

Convert 273 from decimal to hexadecimal.

Solution:

273_{10} = 1×2^{8} + 0×2^{7} + 0×2^{6} + 0×2^{5} + 1×2^{4} + 0×2^{3} + 0×2^{2} + 0×2^{1} + 1×2^{0} = 100010001_{2} = 0001 0001 0001_{2} = 111_{H}

QUESTION: 3

Question 2: Convert 1AA from hexadecimal to decimal.

Solution:

1×16^{2} + 10×16 + 10 = 426.

QUESTION: 4

Convert 4B from hexadecimal to decimal.

Solution:

4×16 + B = 75.

QUESTION: 5

Convert 112 from decimal to binary.

Solution:

112 = 64 + 32 + 16 = 1×2^{6} + 1×2^{5} + 1×2^{4} + 0×2^{3} + 0×2^{2} + 0×2^{1} + 0×2^{0} = 1110000_{2}

QUESTION: 6

Question 1: Convert 10010001 from unsigned binary to hexadecimal.

Solution:

1001_{2} = 9_{10} and 0001_{2} = 1_{10}.

10010001_{2} = 91_{10}

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