Digital and Analog Circuits - Test 1 - Electronics and Telecommunication Engineering

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Questions

1. Each instruction in an assembly program has the following fields: 1. Label field, 2. mnemonic field, 3. Operand field, 4. Comment field. The correct sequence/order of these fields is

A.
B.
C.
D.

2. A 4-bit modulo-16 ripple counter used JK flip-flops. If the propagation delay of each FF is 50 ns, themaximum clock frequency that can be used is equal to

A.
B.
C.
D.

3. the initial state of a MOD-16 down counter is 0110. What state will it be after 37 clock pulses?

A.
B.
C.
D.

4. The C expression ++I is equivalent to writing

A.
B.
C.
D.

5. Which one of the following can be used to change data from special code to temporal code?

A.
B.
C.
D.

6. The Octal value 710 can be written in hexadecimal as

A.
B.
C.
D.

7. How many FFs are required to build a binary counter circuit to count from 0 to 1023?

A.
B.
C.
D.

8. if a counter having 10 FFs is initially at 0, what count will if hold after 2060 pulses.

A.
B.
C.
D.

9. Which one of the following will give the sum of full address as output?

A.
B.
C.
D.

10. The Q-output of J-K FLIP-FLOP is "1". The output does not change when a clock-pulse is applied. The inputs J and K will be respectively (where 'x' - don't care state)

A.
B.
C.
D.