1
GATE ECE 1992
Fill in the Blanks
+2
-0
In a transistor having finite B, the forward bias across the base emitter junction is kept constant and the reverse bias across the collector base junction is increased. Neglecting the leakage across the collector base junction and the depletion region generating current, the base current will __________. (increase/decrease/remain constant).
2
GATE ECE 1992
Fill in the Blanks
+1
-0
The following program is run on 8085 microprocessor: GATE ECE 1992 Microprocessors - Instruction Set and Programming with 8085 Question 28 English At the completion of execution of the program, the program Counter of the 8085 contains ________ and the Stack Pointer contains ________.
3
GATE ECE 1992
MCQ (More than One Correct Answer)
+1
-0.3
In an 8085 microprocessor system with memory mapped I/O,
A
I/O devices have 16 bit addresses
B
I/O devices are accessed using IN and OUT instructions
C
there can be a maximum of 256 input devices and 256 output devices
D
arithmetic and logic operations can be directly performed with the I/O data.
4
GATE ECE 1992
Subjective
+8
-0
The two-port Darlington impedance booster of figure uses identical transistors $$({h_{ie}} = 1\,k,\,\,{h_{fe}} = \,100,\,\,{h_{re}} = \,\,{h_{oe}} = \,0$$. Calculate the z-parameters of the network. (Use relavant approximations) GATE ECE 1992 Network Theory - Two Port Networks Question 8 English
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