A full adder can be made out of two half adders two half adders and a OR gate tw

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Correct Answer

two half adders and a OR gate

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A full adder can be made out of two half adders two half adders and a OR gate two half adders and a

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

5. 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

8. A memory system of size 16 k bytes is to be designed using memory chips which have 12 address lines and 4 data lines each. The number of such chips required to design the memory system is
Options
A. 2
B. 4
C. 8
D. 18

9. 2's complement of binary number 0101 is
Options
A. 1011
B. 1111
C. 1101
D. 1110

10. In a ripple counter,
Options
A. whenever a flip flop sets to 1, the next higher FF toggles
B. whenever a flip flop sets to 0, the next higher FF remains unchanged
C. whenever a flip flop sets to 1, the next higher FF faces race condition
D. whenever a flip flop sets to 0, the next higher FF faces race condition

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