Arithmetic Operations Multiple Questions and Answers.




21.In BCD addition, the value ________ is added to any invalid code group?
A. 0110
B. 100110
C. 0U812
D. 010101

22.In AHDL macrofunctions, the first thing that should go into any source file is ________ your code.?
A. a field of comments that documents
B. a library of
C. a function name of
D. the universal global definition of

23.The binary addition of 1 + 1 = ________.?
A. sum = 1 carry = 1
B. sum = 0 carry = 0
C. sum = 1 carry = 0
D. sum = 0 carry = 1

24.A 74HC283 can be used to implement a(n) ________ adder?
A. 4-bit BCD
B. 8-bit BCD
C. 4-bit full
D. 8-bit full

25.The two's complement of 00001111 is ________.?
A. 11110001
B. 11111111
C. 11110000
D. 11110111

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