GPL - Gate Question |

X Close

You need to enable javascript to view this page properly.

Branch

All

Loading

343.

Figure shows a ripple counter using positive edge triggered flip-flops. If the present state of counter is Q₂Q₁Q_o = 011, then its next state Q₂Q₁Q_o will be [2 marks]

(a) 010
(b) 100
(c) 111
(d) 101

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
344.

The present output Q_n of an edge triggered JK flip-flop is logic 0. If J=1, then Q_n+1 [2 marks]
(a) cannot be determined
(b) will be logic 0
(c) will be logic 1
(d) will race around

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
345.

Both transistors T1 and T2 in figure have a threshold voltage of 1 Volt. The device parameters K₁ and K₂ of T1 and T2 are, respectively, 36 µA/V² and 9 µA/V². The output voltage V₀ is

[2 marks]
(a) 1 V
(b) 2 V
(c) 3 V
(d) 4 V

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
346.

The Boolean expression for the truth table shown is:

A B C f

0 0 0 0

0 0 1 0

0 1 0 0

0 1 1 1

1 0 0 0

1 0 1 0

1 1 0 1

1 1 1 0

[2 marks]
(A) B(A+C)(A +C )
(B) B(A+C )(A +C)
(C) B(A+C )(A +C)
(D) B (A+C)(A +C )

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
347.

The transistors used in a portion of the TTL gate shown in figure have β=100. The base-emitter voltage of is 0.7V for a transistor in active region and 0.75V for a transistor in saturation. If the sink current I=1mA and the output is at logic 0, then the current I_R will be equal to [2 marks]

(a) 0.65 mA
(b) 0.70 mA
(c) 0.75 mA
(d) 1.00 mA

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]
348.

The Zener diode in the regulator circuit shown in figure has a Zener voltage of 5.8 Volts and a Zener knee current of 0.5 mA. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between 20 and 30 Volts, is [2 marks]

(a) 23.7 mA
(b) 14.2 mA
(c) 13.7 mA
(d) 24.2 mA

asked in Electronics and Communication Engineering, 2005

View Comments [0 Reply]

806 1 ...‹‹56 5758 59 60 ›› ... 135

High Frequency Word List with Mnemonics

GPL Dictionary is fast way to learn words with mnemonics.
It contains high frequency word list which are mostly asked in various examinations.
It is dedicated for student appearing for PSUs, GRE, UPSC or any other exams in which vocabulary test is taken.
User can save their own mnemonics (key and link).

Check Now