Q. Which of the following instructions of an 8086 microprocessor uses the contents of a CX register as a counter?
1. LOCK
2. LOOP
3. ROTATE
Select the correct answer using the codes given below:
a. Only 1 and 2
b. Only 1 and 3
c. Only 2 and 3
d. 1, 2 and 3
Q. The sine wave output of a function generator is fed to both the horizontal (X)and vertical (Y) inputs of a CR0. What will be the pattern on the cathode ray screen?
a. A circle
b. An ellipse
c. A straight line with 45° slope
d. Sinusoidal
Q. For a BJT, early voltage VA is 100 V. In common emitter configuration , eqiescent VCE is 10 V. what percentage change in quiescent IC would occur, if early voltage VA is made infinite?
Option
a) both CARRY and ZERO flags will be set to 0
b) CARRY flag will set to 0, Zero flag to 1
c) CARRY flag will be set to 1, ZERO flag to 0
d) Both CARRY and ZERO flags will be set to 1
Match List I and List II and select the correct answer using the code given below the lists:
List-I
(Theorem/Law)
A. Norton's theorem
B. Superposition theorem
C. Thevenin's theorem
D. Kirchhoff's current law
List II
(Property)
1. Effect of independent sources in a linear circuit are additive
2. Law of non-accumulation of change holds good at nodes
3. Current source with shunt resistor
4. Voltage source with series resistor
Code:
A B C D
a. 2 4 1 3
b. 3 1 4 2
c. 2 1 4 3
d. 3 4 1 2