Computer Arithmetic MCQ Questions

This section focuses on "Computer Arithmetic" in Computer Organization & Architecture. These Multiple Choice Questions (MCQ) should be practiced to improve the Computer Organization & Architecture skills required for various interviews (campus interviews, walk-in interviews, company interviews), placements, entrance exams and other competitive examinations.

1. Sign magnitude is a very simple representation of ?

A. Positive number
B. Negative numbers
C. Infinity
D. Zero

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2. Sign bit 1 represents

A. Positive number
B. FALSE
C. TRUE
D. Negative Number

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3. Which of the following is true about Normalization?

A. Floating point numbers are usually normalized
B. Exponent is adjusted so that leading bit (MSB) of mantissa is 1
C. Since it is always 1 there is no need to store it
D. All of the above

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4. The logic 1 in positive logic system is represented by ?

A. Zero voltage
B. Lower voltage level
C. Higher voltage level
D. Negative voltage

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5. The m-bit parallel adder consists of

A. m full adders
B. m+1 full adders
C. m-1 full adders
D. m/2 full adders

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6. Half adder is an example of

A. Combinational Circuits
B. Sequential Circuits
C. Asynchronous Circuits
D. Synchronous Circuits

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7. Master slave flip flop is also referred to as ?

A. Level triggered flip flop
B. Pulse triggered flip flop
C. Edge triggered flip flop
D. None of the above

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8. In J-K flip flop the function K=J is used to realize ?

A. D flip flop
B. S-R flip flop
C. T flip flop
D. Master slave flip flop

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9. What is the hexadecimal equivalent of a binary number 10101111 ?

A. AB
B. AC
C. AF
D. AD

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10. In a positive edge triggered JK flip flop, a low J and low K produces ?

A. High state
B. Low state
C. toggle state
D. No change

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