Home⇒ Computer Engineering⇒ Digital computer electronics
| 1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
| 2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
| Q1 ⇒ The functional difference between SR flip-flop and JK flip-flop is that JK flip-flop accepts both inputs 1 [other wrong options] [Discuss in forum] |
| Q2 ⇒ An inverter is also called a _____ gate. NOT [other wrong options] [Discuss in forum] |
| Q3 ⇒ Flip-flop outputs are always complimentary [other wrong options] [Discuss in forum] |
| Q4 ⇒ An OR gate has 6 inputs. What is the only input word that produces a 0 output? 0 [other wrong options] [Discuss in forum] |
| Q5 ⇒ The m-bit parallel adder consists of: m full adders [other wrong options] [Discuss in forum] |
| Q6 ⇒ A NOR gate has two or more input signals. All input must be _____ to get a high output low [other wrong options] [Discuss in forum] |
| Q7 ⇒ The ASCII code is a 7-bit code for All of the above [other wrong options] [Discuss in forum] |
| Q8 ⇒ A p- channel enhancement type MOSFET performs much the same function as a PNP transistor, except that it is controlled by voltage rather than by current, so that it requires very little current at the control terminal [other wrong options] [Discuss in forum] |
| Q9 ⇒ In which of the following adder circuits, the carry look ripple delay is eliminated? Carry-look-ahead adder [other wrong options] [Discuss in forum] |
| Q10 ⇒ How many bits are required to encode all twenty six letters ten symbols, and ten numerals? 6 [other wrong options] [Discuss in forum] |
| Q11 ⇒ The control and arithmetic-logic sections are called the _____ Central Processing Unit [other wrong options] [Discuss in forum] |
| Q12 ⇒ What logic function is obtained by adding an inverter to the inputs of an AND gate? NOR [other wrong options] [Discuss in forum] |
| Q13 ⇒ An odd-parity generator produces an odd-parity bit to go along with the data. The parity of the transmitted data is _____ An XOR gate can test each received word for parity rejecting words with _____ odd, even [other wrong options] [Discuss in forum] |
| Q14 ⇒ The Gray code for decimal 7 is 100 [other wrong options] [Discuss in forum] |
| Q15 ⇒ The fan-out capability of a digital building block can be defined as the number of inputs that one output can transmit to [other wrong options] [Discuss in forum] |
| Q16 ⇒ Which of the following flip-flops is free from race around problem? master slave JK flip-flop [other wrong options] [Discuss in forum] |
| Q17 ⇒ A half-adder is also known as: EX-OR circuit [other wrong options] [Discuss in forum] |
| Q18 ⇒ The leading bit stands for the _____ and the remaining bits for the _____ is known as signed binary numbers. sign, magnitude [other wrong options] [Discuss in forum] |
| Q19 ⇒ Which of the following logic families has the highest noise immunity? HTL [other wrong options] [Discuss in forum] |
| Q20 ⇒ The 2's compliment of binary number 010111.1100 is 101000.01 [other wrong options] [Discuss in forum] |
| Or |