Electronics and Communication Engineering - Digital Electronics

31. 

The inputs to a NAND gate are as shown in the given figure. The waveform of output is

A.
B.
C.
D.

Answer: Option A

Explanation:

NAND gate gives high output when both inputs are Low.


32. 

What do the contents of instruction register specify?

A. Operand for the instruction being executed
B. Op code for the instruction being executed
C. Op code for the instruction to be executed next
D. Operand for the instruction to be executed next

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

33. 

In the decimal number 27, the digital 2 represents

A. 2
B. 20
C. 0.2
D. 200

Answer: Option B

Explanation:

2 x 10 = 20.


34. 

Which of the following is true?

A. SOP is a two level logic
B. POS is a two level logic
C. Both SOP and POS are two level logic
D. Hybrid function is two level logic

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

35. 

E7F616 = __________ .

A. 60000010
B. 5938210
C. 938210
D. 38210

Answer: Option B

Explanation:

E7 F6 in hexadecimal = 14 x 163 + 7 x 162 + 15 x 16 + 6 = 59382 in decimal.