In register index addressing mode the effective address is given by index regist

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Question
In register index addressing mode the effective address is given by
Options
A. index register value
B. sum of the index register value and the operand
C. operand
D. difference of the index register value and the operand

Correct Answer

sum of the index register value and the operand

Explanation

4 = 2², in up scaling digit will be shifted by two bit in right direction.

Digital Electronics problems

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1. The circuit of the given figure realizes the function
Options
A. Y = (A + B) C + DE
B. Y = A + B + C + D + E
C. AB + C +DE
D. AB + C(D + E)

2. A three state switch has three outputs. These are
Options
A. low, low and high
B. low, high, high
C. low. floating, low
D. low, high, floating

5. In a BCD to 7 segment decoder the minimum and maximum number of outputs active at any time is
Options
A. 2 and 7
B. 3 and 7
C. 1 and 6
D. 3 and 6

8. In 2's complement representation the number 11100101 represents the decimal number
Options
A. +37
B. -31
C. +27
D. -27

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