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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. |
Q21 ⇒ The 2-input XOR gate has a high output only when the input bits are _____ different [other wrong options] [Discuss in forum] low high even |
Q22 ⇒ Express -7 as 16-bit signed binary numbers. 1000 0000 0000 0111 [other wrong options] [Discuss in forum] 0000 0000 0000 0111 0111 0000 0000 0000 0111 0000 0000 0001 |
Q23 ⇒ What is the 1's complement of 0000 1111 0010 1101 number? 1111 0000 1101 0010 [other wrong options] [Discuss in forum] 1001 0010 1010 1100 1111 1100 1010 1100 1111 0000 0010 1101 |
Q24 ⇒ One way to simplify the sum-of-products equation is to use boolean algebra. Another way is the _____ map. Karnaugh [other wrong options] [Discuss in forum] Schottky Standard De Morgan |
Q25 ⇒ What is the 2's complement of 0011 0101 1001 1100 number? 1100 1010 0110 0100 [other wrong options] [Discuss in forum] 1100 1010 0110 0011 1100 1010 1100 1011 1100 1010 1111 1111 |
Q26 ⇒ The dynamic race hazard problem occurs in none of the combinational and sequential circuits [other wrong options] [Discuss in forum] combinational circuits only sequential circuits only both combinational and sequential circuits |
Q27 ⇒ A demultiplexer is also known as data distributor [other wrong options] [Discuss in forum] encoder multiplexer data selector |
Q28 ⇒ Digital design often starts by constructing a _____ table. Truth [other wrong options] [Discuss in forum] Standard Two-stage Two-dinensional |
Q29 ⇒ A half-adder adds _____ bits 2 [other wrong options] [Discuss in forum] 5 8 10 |
Q30 ⇒ Which of the following electronic component is not found in ordinary ICs? inductors [other wrong options] [Discuss in forum] diodes resistors transistors |
Q31 ⇒ Why are digital circuits easier to design than analog circuits? they do not control electricity precisely over a wide range [other wrong options] [Discuss in forum] they are smaller in size they are made in the form of ICs all elements of digital circuit are from the same family |
Q32 ⇒ The logic 1 in positive logic system is represented by: higher voltage level [other wrong options] [Discuss in forum] zero voltage negative voltage lower voltage level |
Q33 ⇒ What is the ASCII code for T? 1010100 [other wrong options] [Discuss in forum] 1011111 1011100 1011010 |
Q34 ⇒ A _____ is a group of devices that store digital data. register [other wrong options] [Discuss in forum] bit circuits variations |
Q35 ⇒ The term sum-of-products in boolean algebra means The OR function of several AND functions [other wrong options] [Discuss in forum] The OR function of several OR functions The AND function of several OR functions The AND function of several AND functions |
Q36 ⇒ Which of the following logic expression is wrong? 1+0+1 = 1 [other wrong options] [Discuss in forum] 1 + 1 + 1 = 1 1 + 1=0 1 + 0=1 |
Q37 ⇒ A byte is consist of _____ bits 8 [other wrong options] [Discuss in forum] 1 5 10 |
Q38 ⇒ The two basic technologies for digital ICs are bipolar and MOS. Bipolar technology is preferred for_____ and _____ whereas MOS technology is better suited to LSI. SSI, MSI [other wrong options] [Discuss in forum] SSI, LSI MSI, LSI ECL, DTL |
Q39 ⇒ For what logic gate the outputs in complement of the input? NOT [other wrong options] [Discuss in forum] OR AND XOR |
Q40 ⇒ Which of the following is not true? 0 x 1 = 1 [other wrong options] [Discuss in forum] 0 x 0 = 0 1 x 0 = 0 1 x 1 = 1 |
Or |