GATE Instrumentation: Questions 48 - 51 of 85

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 85 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 100.00 or

Question number: 48

» Digital Electronics » Basic of Number System

Appeared in Year: 2011

MCQ▾

Question

The base of the number system for the addition operation 24 + 14 = 41 to be true is

Choices

Choice (4) Response

a.

7

b.

6

c.

5

d.

8

Question number: 49

» Digital Electronics » Combinational Logic Circuits, Minimization of Boolean Functions

Appeared in Year: 2013

MCQ▾

Question

A bulb in a staircase has two switches, one switch being at the ground floor and the other one at the first floor. The bulb can be turned ON and also can be turned OFF by any one of the switches irrespective of the state of the other switch. The logic of switching of the bulb resembles

Choices

Choice (4) Response

a.

An AND gate

b.

An EX-OR gate

c.

A NAND gate

d.

An OR gate

Question number: 50

» Digital Electronics » Sequential Circuits,Flip-Flops, Counters, Shift Registers

Appeared in Year: 2013

MCQ▾

Question

The digital circuit shown below uses two negative edge–triggered D–flip–flops. Assuming initial condition of Q1 and Q0 as zero, the output Q1Q0 of this circuit is

The circuit consists of Dflipflop with negative edge-triggering

The Circuit Consists of Dflipflop With Negative Edge-Triggering

The circuit consists of two D flip-flop with negative edge-triggering

Choices

Choice (4) Response

a.

00, 11, 10, 01, 00…

b.

00, 01, 11, 10, 00….

c.

00, 01, 10, 11, 00…

d.

00, 01, 11, 11, 00…

Question number: 51

» Digital Electronics » Combinational Logic Circuits, Minimization of Boolean Functions

Appeared in Year: 2011

MCQ▾

Question

For the Boolean expression F=a¯b¯c¯+a¯bc¯+ab¯c¯+abc+abc¯ , the minimized Product of Sum (POS) expression is

Choices

Choice (4) Response

a.

F=(b¯+c).(a¯+c)

b.

F=(b+c¯).(a+c¯)

c.

F=(b¯+c).(a+c¯)

d.

F=(c¯)+(abc)

f Page
Sign In