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# Digital Logic - Number representation and computer arithmetic

1:   Even parity is being used for error checking computer data. If data word to be transmitted is 0101 0111, the value of the parity will be
 A. 0 B. 1 C. 1 or 0 D. 00 Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. chandan kuamr said: (3:41pm on Thursday 27th June 2013) in the even parity ,the number of i is in even number since here the number of 1 is 5 which is odd so we add 1 as a parity bit to make total of 1 is in even numbersimilary in odd parity number of 1 is odd number Write your comments here:
2:   The ASCII
 A. is a subset of 8-bit EBCDIC B. is used only in Western Countries C. Both (a) and (b) D. has 128 character, including 32 control characters Answer Report Discuss Option: D Explanation : Click on Discuss to view users comments. Write your comments here:
3:   The sign magnitude representation of binary number + 1101.011 is
 A. 01101.011 B. 11101.011 C. 00110.100 D. 10010.100 Answer Report Discuss Option: A Explanation : Click on Discuss to view users comments. mahvish fatima said: (11:09am on Thursday 19th October 2017) put 0 if the sign is ( ) and put 1 if the sign is (-) in the leftmost of the number Write your comments here:
4:

What is the equivalent of (10110011100011110000)2 n base 32?

 A. 11 9 23 31 B. 22 14 7 16 C. 11 9 7 16 D. 11 14 23 16 Answer Report Discuss Option: B Explanation : Click on Discuss to view users comments. sathya said: (3:31pm on Tuesday 23rd June 2015) I need explanation for this ques Write your comments here:
5:

A computer with a 32-bit word size uses 2's complement to represent numbers. The range of integers that can be represented by this computer is

 A. - 232 to 232 B. -232 to 231 C. -231 to 231-1 D. — 232 to 231 Answer Report Discuss Option: C Explanation : Click on Discuss to view users comments. Write your comments here:

Syllabus covered in this section is-

• Logic functions, Minimization,
• Design and synthesis of combinational and sequential circuits
• Number representation and computer arithmetic (fixed and floating point)
• Propositional (Boolean) Logic
• Satisfiability and Tautology
• Logic Families: TTL, ECL and C-MOS gates.
• Boolean algebra and Minimization of Boolean functions
• Flip-flops-types, race condition and comparison.
• Design of combinational and sequential Circuits
• Representation of Integers: Octal, Hex. Decimal and Binary.
•  2's complement and 1 's complement arithmetic
• Floating point representation.

This Section covers Digital Logic Questions Answers .

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