Exercise: Digital Electronics

Questions for: Digital Electronics

Which display device resembles vacuum tube?
A:
LED
B:
LCD
C:
VF
D:
None of these
Answer: C

It is similar to triode.

📖
📝
💬
👁️
If the inputs to a 3 bit binary adder are 1112 and 1112, the output will be 1102
A:
True
B:
False
C:
D:
Answer: B

111 + 111 = 1110.

📖
📝
💬
👁️
The number of address lines in EPROM 4096 x 8 is
A:
2
B:
4
C:
8
D:
12
Answer: D

212 = 4096.

📖
📝
💬
👁️
The initial state of MOD-16 down counter is 0110. What state will it be after 37 clock pulses?
A:
Indeterminate
B:
0110
C:
0101
D:
0001
Answer: D

A mod-16 counter goes through 16 states in one cycle of 16 Pulses.

It complete 2 cycles in 32 Pulses.

In the rest 5 Pulses, it moves down from 0110 = 610 - 510 = 110 or (001)2 .

📖
📝
💬
👁️
A divide by 78 counter can be obtained by
A:
6 numbers of mod-13 counters
B:
13 numbers of mod-6 counters
C:
one mod-13 counter followed by mod-6 counter
D:
13 number of mod-13 counters
Answer: C

Modulus 13 x modulus 6 = modulus 78.

📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz