Electronics and Communication Engineering - Electronic Devices and Circuits

46.
The number of flip-flops required to build a mod-19 counter is
4
5
6
7
Answer: Option
Explanation:
No answer description is available. Let's discuss.

47.
The number of flip-flops needed to divide the input frequency by 32 is
2
4
5
16
Answer: Option
Explanation:
No answer description is available. Let's discuss.

48.
Given two numbers A and B in sign magnitude representation in an eight bit format A = 00011110 and B = 10011100 then A ⊕ B gives
10000010
00011111
10011101
11100001
Answer: Option
Explanation:
No answer description is available. Let's discuss.

49.
The 8086 arithmetic instruction work on
  1. signed and unsigned numbers
  2. ASCII data
  3. unpacked BCD data
Select the correct answer using the codes given below :
1 and 2
1 and 3
2 and 3
1, 2 and 3
Answer: Option
Explanation:
No answer description is available. Let's discuss.

50.
For the K map of the given figure the simplified Boolean expression is
A + BC
A + BC
A + B C
A + B C
Answer: Option
Explanation:
No answer description is available. Let's discuss.