1
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
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 $${I_R}$$ I will be equal to
2
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The present output Qn of an edge triggered JK flip-flop is logic 0. If J=1, then
Qn+1
3
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
Decimal 43 in Hexadecimal and BCD number system is respectively
4
GATE ECE 2005
MCQ (Single Correct Answer)
+1
-0.3
The given figure shows a ripple counter using positive edge triggered flip-flops. If the
present state of counter is Q2 Q1 Q0 = 011, then its next state ( Q2 Q1 Q0 ) will be
Paper analysis
Total Questions
Analog Circuits
13
Communications
8
Control Systems
10
Digital Circuits
7
Electromagnetics
8
Electronic Devices and VLSI
7
Engineering Mathematics
11
Microprocessors
3
Network Theory
10
Signals and Systems
14
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