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# Computer Arithmetic MCQ Questions

Computer Arithmetic MCQs : 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

2. Sign bit 1 represents

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

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

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

5. The m-bit parallel adder consists of

6. Half adder is an example of

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

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

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

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

A. AB
B. AC
C. AF

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