1
GATE ECE 2014 Set 2
MCQ (Single Correct Answer)
+2
-0.6
For the 8085 microprocessor, the interfacing circuit to input 8-bit digital data (DI0 – DI7)
from an external device is shown in the figure. The instruction for correct data transfer is
2
GATE ECE 2013
MCQ (Single Correct Answer)
+2
-0.6
There are four chips each of 1024 bytes connected to a 16 bit address bus as
shown in the figure below. RAMs 1,2,3 and 4 respectively are mapped to
addresses
3
GATE ECE 2006
MCQ (Single Correct Answer)
+2
-0.6
An I/O peripheral device shown in figure (b) below is to be interfaced to an 8085
microprocessor. To select the I/O device in the I/O address range D4H – D7H,
its chip-select (CS) should be connected to the output of the decoder shown in
figure (a) below:
4
GATE ECE 2005
MCQ (Single Correct Answer)
+2
-0.6
What memory address range is NOT represented by chip 1 and chip 2 in
figure? A0 to A15 in this figure are the address lines and CS means Chip Select.
Questions Asked from Marks 2
GATE ECE Subjects
Signals and Systems
Network Theory
Control Systems
Digital Circuits
General Aptitude
Electronic Devices and VLSI
Analog Circuits
Engineering Mathematics
Microprocessors
Communications
Electromagnetics