75 questions
1
Mixed
Easy
PYQ
+1.0
-0.33
What is the function of a half-wave rectifier in a power supply?
2
Mixed
Easy
PYQ
+1.0
-0.33
In a JK flip-flop, if J = 0, K = 1 and the current state is Q = 1, what will be the next output after one clock pulse?
3
Mixed
Easy
PYQ
+1.0
-0.33
What is the effect of temperature changes on the frequency stability of a crystal oscillator?
4
Mixed
Easy
PYQ
+1.0
-0.33
How can you extend a half adder to handle multi-bit binary addition?
5
Mixed
Easy
PYQ
+1.0
-0.33
Why do cars have treaded tyres?
6
Mixed
Easy
PYQ
+1.0
-0.33
What is the output of an RS flip-flop when Set = 0 and Reset = 0?
7
Mixed
Easy
PYQ
+1.0
-0.33
A 200 V voltmeter has an internal resistance of 20 kΩ. To extend its range to 1,000 V, what should be the value of the series multiplier resistance?
8
Mixed
Easy
PYQ
+1.0
-0.33
What is the impact of using a buffered parallel I/O port compared to a non-buffered one in terms of data transfer speed and reliability?
9
Mixed
Easy
PYQ
+1.0
-0.33
Which type of circuit is used to convert both the half-cycles of an AC waveform into a pulsating DC waveform?
10
Mixed
Easy
PYQ
+1.0
-0.33
A statement and conclusion for pictorial drawing are given below. Determine the logical relationship between them. Statement: Pictorial drawings are three-dimensional and provide a visual representation of an object. Conclusion: Therefore, pictorial drawings are useful for describing the shape of a piece part or component.