The 2's complement representation of (-541)10 decimal in hexadecimal is:
Select an option to see the answer and solution.
ECE · all questionsDigital Electronics
Digital Electronics
practice.
Practice every MCQ with options. Use Show answers when you want the correct option and solution.
301
Questions
4/16
Page
Pick an option on a question to see the right answer and solution.
The number of flip-flop required to construct an 8-bit shift register will be
Select an option to see the answer and solution.
Which of the following gates is also called 'all or nothing gate'?
Select an option to see the answer and solution.
In TTL family, the Totem-pole circuit on the output is used to provide . . . . . . . .
Select an option to see the answer and solution.
The expression X + ⋅ Y is equal to
Select an option to see the answer and solution.
The maximum positive and negative numbers which can be represented in 2's complement form using n-bit are
Select an option to see the answer and solution.
The resolution of an-n-bit D/A converter with a maximum input of 5 V is 5 mV. The value of 'n' is
Select an option to see the answer and solution.
In a decoder, if the input lines are 4 then number of maximum output lines will be:
Select an option to see the answer and solution.
The disadvantage of an open shift register is that
Select an option to see the answer and solution.
What is the minimized logic expression corresponding to the given Karnaugh Map?
Select an option to see the answer and solution.
Match List-I with List-II and select the correct answer using the options given below the lists:
| List-I (Logic Gates) | List-II (Power dissipation per gate in mW) |
| a. DTL | 1. 55 |
| b. TTL | 2. 10 |
| c. ECL | 3. 8 |
| d. MOS | 4. 1 |
| 5. 40 |
Select an option to see the answer and solution.
How many flip flops are required to construct a MOD-128 counter? What is the largest decimal number that can be stored in a MOD-64 counter?
Select an option to see the answer and solution.
(100101)2 is equal to decimal number
Select an option to see the answer and solution.
In . . . . . . . ., the flip flop output transition serves as a source for triggering other flip-flops.
Select an option to see the answer and solution.
The following circuit represents which logic?
Select an option to see the answer and solution.
A counter is designed with six stages of flip flops. Determine the output frequency at the last (sixth) stage, when input frequency is 1 MHz.
Select an option to see the answer and solution.
In an 8-bit D/A converter, the reference voltage used is 10 V. What voltage is represented by 10100001?
Select an option to see the answer and solution.
Silicon dioxide is used in Ics
Select an option to see the answer and solution.
Match List-I with List-II and select the correct answer using the options given below the list:
| List-I | List-II |
| a. TTL | 1. Low power consumption |
| b. ECL | 2. High speed |
| c. CMOS | 3. Low propagation delay |
Select an option to see the answer and solution.
Which of the following circuit exhibits memory?
Select an option to see the answer and solution.