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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

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

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