Integrated Circuits

Q.

Name the device used to increase the voltage at a generating station.

Q.

In the following digital circuit, what will be the output at ‘Z’, when the input $(A,B)are(1,0),(0,0),(1,1),(0,1):$

1. $0,1,0,0$

2. $1,1,0,1$

3. $0,0,1,0$

4. $1,0,1,1$

Q. What is the output Y in the following circuit when all the three inputs A, B, C are first $0$ and then $1$ ?

1. $1,1$
2. $0,1$
3. $0,0$
4. $1,0$

Q.

The inputs of a NAND gate are connected together. The resultant circuit is

1. None of the above

2. NOT gate

3. AND gate

4. OR gate

Q. Make a chart of circuit diagram of all logic gate

Q.

What will you prefer soft iron or steel, to make an electromagnet?

Q. The given electrical network is equivalent to

1. OR gate
2. NOR gate
3. NOT gate
4. AND gate

Q.

How do you make an AND gate?

Q. What type of signal does each logic gate produce? (Digital signal/analog signal)

Q.

The magnetic field inside the solenoid are in the form of

1. curved lines.

2. circular lines.

3. parallel straight lines.

4. zig-zag lines.

Q.

Digital circuits can be made by repetitive use of

1. OR gates

2. NAND gates

3. NOT gates

4. AND gates

Q.

How do you work out logic gates?

Q.

A logic gate is a digital circuit with

Q.

The end of a solenoid at which current flows in the an anticlockwise direction acts as a___ pole.

Q. (a) Write the functions of the three segments of a transistor.
(b) The figure shows the input waveforms A and B for 'AND' gate. Draw the output waveform and write the truth table for this logic gate.

Q. LANs can be connected by device called.... which operate in the data link layer?

1. Tunnel
2. Hub
3. HDLC
4. Bridges

Q. End-to-end connectivity is provided from host-to-host in:

1. Network layer
2. Session layer
3. Data link layer
4. Transport layer

Q. The most reliable network topology is.

1. Fully connected
2. Star topology
3. Ring topology
4. Bus topology

Q.

Why are NAND gates used?

Q. The given electrical network is equivalent to

1. OR gate
2. NOR gate
3. NOT gate
4. AND gate

Q. As we are growing in technology, use of wires in an electrical circuit is reducing. This is done by using semiconductor chips or reducing length of wire as much as possible. What could be the possible reason for the above?

1. Using chips allows more compact devices
2. Heat loss in wires is reduced
3. Power requirements are reduced
4. All of the above

Q. What is the output Y in the following circuit when all the three inputs A, B, C are first $0$ and then $1$ ?

1. $1,1$
2. $0,1$
3. $0,0$
4. $1,0$

Q.

Logic gate is a digital circuit with

1. Only one input but more than one output signals

2. Two input and two output signals

3. One or more input but only one output signal

4. None of the above

Q.

Name the factors on which depends the strength of the current induced in a coil when placed in a changing magnetic field.

Q. Which network topology is most fault tolerant and has most redundancy ?

1. Bus
2. Ring
3. Mesh
4. Star

Q. ntThe output of an AND gate is connected to both the input of a NOR gate, then this circuit will acts as a (1) NOT gate (2) OR gate (3) NOR gate (4) AND gaten

Q. Data in a full duplex circuit

1. Travel in both directions but not at the same time
2. Travel in one direction only
3. Travel in both directions at the same time
4. None of the above

Q.

why NAND or NOR gates are called universal gate?

Q. Draw the circuit diagram of OR-gate using diodes.

Q. 148.With the help of the circuit diagram, explain the working of a p-n junction diode in forward biasing and draw the typical charateristics curves.