AP ECET COMPUTER SCIENCE AND ENGINEERING Multiple Choice Questions (MCQs)
AP ECET Computer Science and Engineering - Digital Electronics Questions
-
Which number system is based on two digits, 0 and 1?
- a) Decimal Number System
- b) Binary Number System
- c) Octal Number System
- d) Hexadecimal Number System
Answer: b) Binary Number System
-
Which logic gate produces an output of 1 when all inputs are 1?
- a) OR Gate
- b) AND Gate
- c) NOT Gate
- d) XOR Gate
Answer: b) AND Gate
-
Which of the following Boolean expressions represents the output of an OR gate?
- a) A + B
- b) AB
- c) A'B'
- d) A' + B'
Answer: a) A + B
-
Which of the following logic gates is the inverse of an AND gate?
- a) NOR Gate
- b) NAND Gate
- c) XOR Gate
- d) OR Gate
Answer: b) NAND Gate
-
What is the Boolean expression for the output of a NOT gate?
- a) A'
- b) A
- c) AB
- d) A + B
Answer: a) A'
-
Which of the following is a fundamental building block of digital circuits that can store one bit of data?
- a) Flip-Flop
- b) XOR Gate
- c) NAND Gate
- d) Multiplexer
Answer: a) Flip-Flop
-
What is the output of a NAND gate if the inputs are 1 and 0?
- a) 1
- b) 0
- c) 10
- d) Undefined
Answer: a) 1
-
Which of the following circuits is used to divide a clock pulse by a certain factor?
- a) Flip-Flop
- b) Counter
- c) Decoder
- d) Encoder
Answer: b) Counter
-
Which of the following is NOT a characteristic of a D flip-flop?
- a) It stores one bit of data
- b) It has a clock input
- c) It has two outputs, Q and Q'
- d) It can change its state asynchronously
Answer: d) It can change its state asynchronously
-
Which of the following Boolean expressions is equivalent to the AND operation?
- a) A + B
- b) A * B
- c) A + B'
- d) A' * B
Answer: b) A * B
-
In a 4-bit binary counter, what will be the output after four clock pulses?
- a) 1000
- b) 0101
- c) 1111
- d) 0001
Answer: a) 1000
-
Which of the following is the result of applying De Morgan's Theorem to the expression (A + B)'?
- a) A' + B'
- b) A' * B'
- c) AB
- d) A + B
Answer: b) A' * B'
-
What is the maximum number of states in a 3-bit counter?
- a) 4
- b) 5
- c) 6
- d) 8
Answer: d) 8
-
Which of the following is used for storing multiple bits of data, and is often used in memory systems?
- a) Flip-Flop
- b) Register
- c) Counter
- d) Decoder
Answer: b) Register
-
Which of the following is an example of a combinational circuit?
- a) Flip-Flop
- b) Register
- c) Multiplexer
- d) Counter
Answer: c) Multiplexer
Next Page >>
Note/Caution: studentsbizz.com does not promise a job or an interview in exchange for money. Fraudsters may ask you to pay under the pretext of a registration fee or refundable fee, but please be aware that legitimate employers will not require such payments.
Join in Our Groups
@ 2025 Students Bizz Platform. All Rights Reserved.