Advertisements
Advertisements
Question
Answer the following question :
Distinguish between digital and analogue signals.
Solution
Digital Signals | Analogue Signals |
1. They are discontinuous functions of time or discrete time signals. | 1. They are continuous functions of time. |
2. They use discrete values to represent information. They are represented by square waves. | 2. They use a continuous range of values to represent information. They are represented by sine waves or other continuous graphs. |
APPEARS IN
RELATED QUESTIONS
The output of NOR gate is high, when _______.
Identify the logic gates marked 'P' and 'Q' in the given circuit. Write the truth table for the combination.
You are given the two circuits as shown in following figure. Show that circuit
- acts as OR gate while the circuit
- acts as AND gate.
(a)
(b)
Give the truth table and circuit symbol for NAND gate
The output of an OR gate is connected to both the inputs of a NAND gate Draw the logic circuit of this combinaion of getes and write its truth table.
Design a logical circuit using AND, OR and NOT gates to evaluate \[A \overline { BC } + B \overline{ CA }\] .
Why is the linear portion of the triode characteristic chosen to operate the triode as an amplifier?
The current obtained from a simple filterless rectifier is
How would you set up a circuit to obtain NOT gate using a transistor?
Which one of the following is the Boolean expression for NOR gate?