Number System Questions

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21.

Conversion of a hexadecimal number 4E16 to binary number is

A

10011012

B

10011102

C

11011002

D

1101112

E

None of the above

Correct Answer: B

None.

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22.

What is the minimum number of operations required, for a microprocessor with 8 data pins, to read a 32-bit word?

A

1

B

2

C

4

D

8

E

None of the above

Correct Answer: C

None.

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23.

The accuracy of the floating point numbers representable in two 16 bit words of a computer is approximately

A

16 digits

B

6 digits

C

4 digits

D

All of the above

E

None of the above

Correct Answer: B

None.

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24.

Conversion of binary number 1011102 to octal is

A

358

B

468

C

568

D

508

E

None of the above

Correct Answer: C

None.

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25.

Conversion of a hexadecimal number 3D16 to binary number is

A

1111012

B

1100112

C

110001102

D

1100012

E

None of the above

Correct Answer: A

None.

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26.

A type of simulation method using random numbers to determine the evolution of a system is

A

Model dispersion

B

Monte carlo

C

Monadic

D

Padding

E

None of the above

Correct Answer: B

None.

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27.

What is the number of bits needed for an address in a 4K memory?

A

16

B

8

C

12

D

4

E

None of the above

Correct Answer: C

None.

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28.

Conversion of an octal number 1068 to binary number is

A

11100102

B

10001102

C

11001102

D

100001102

E

None of the above

Correct Answer: B

None.

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29.

Conversion of an octal number 738 to binary number is

A

1101112

B

1111002

C

1100102

D

1110112

E

None of the above

Correct Answer: D

None.

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30.

The essential features of a number system are

A

Radix

B

Set of distinct counting digits

C

bits

D

Both A & B

E

None of the above

Correct Answer: D

None.

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