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UGC-NET EC 2017: Microprocessors & Interfacing SpeedTest Quiz 8
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Question 1
For the 8055 assembly language program given below, the content of the accumulator after the execution of the program is
3000 MVI A, 45
3002 MOV B, A
3003 STC
3004 CMC
3005 RAR
3006 XRA B
3000 MVI A, 45
3002 MOV B, A
3003 STC
3004 CMC
3005 RAR
3006 XRA B
Question 2
An 8-bit microcontroller has an external RAM with the memory map from 8000H to 9FFFH.The number of bytes this RAM can store is
Question 3
A micro controller differs from a microprocessor in terms of
Question 4
What will be content of Stack Pointer if following assembly code of 8051 microcontroller is executed immediately after reset?
PUSH 00h
POP 01h
POP 02h
PUSH 00h
POP 01h
POP 02h
Question 5
A UART is configured to transmit 8-bit data, 1’ start bit and 1 stop bit. The serial data output is observed on an oscilloscope, which looks like a square wave with a frequency of 9600Hz. What is the baud rate transmitted data?
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Jan 22ESE & GATE EC