MICROCONTROLLER
Authored by supriya K V
Professional Development
University - Professional Development
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A microcontroller at-least should consist of:
RAM, ROM, I/O devices, serial and parallel ports and timers
CPU, RAM, I/O devices, serial and parallel ports and timers
CPU, RAM, ROM, I/O devices, serial and parallel ports and timers
CPU, ROM, I/O devices and timers
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the size internal ROM memory of 8051 Microcontroller?
128 bits
128 Bytes
4K bits
4K bytes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The contents of SP register after RESET?
06H
00H
0AH
07H
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many 16 bit registers present in 8051 microcontroller?
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is true, if the contents of PSW is 16H?
Program uses registers from bank3
Carry flag set to 1
program uses registers from bank2
Program uses registers from bank0
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When PUSH instruction is executed.
The SP is incremented by one
The SP is incremented by two
The SP is decremented by one
The SP is decremented by two
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Numbers pins present in 8051 Microcontroller?
20
30
40
80
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