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Microcontroller
Quiz 3
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Q.1
A microprocessor consists of the following
ALU, CU, Memory
ALU, Memory, I/O Ports
Memory, Register, CU
ALU, CU, Registers
Q.2
What is an bit handling capacity of 8051?
4 Bit
8 Bit
16 Bit
32 Bit
Q.3
The microprocessor can supports multiple data type formats like
binary
ASCII
signed unsigned numbers
All the above
Q.4
What is an another name of DPTR?
Stack pointer
Data pointer
Memory pointer
Program pointer
Q.5
How many SFR's available inmicrocontroller?
21
22
23
24
Q.6
What is an another name of RAM?
Program memory
Data memory
Coded memory
Combination memory
Q.7
If we want to mask '4'in the number 'we do the following command
LDI R20,0x45ANDI R20,0xFF
LDI R20,0x45ANDI R20,0x0F
LDI R20,0x45ANDI R20,0xF0
LDI R20,0x45ORI R20,0xFF
Q.8
Major reasons for writing programs in C for AVR programing are
It is easier and less time consuming to write in C than in Assembly.
C is easier to modify and update.
You can use code available in function libraries.
C code is portable to other microcontrollers with little or no modification.
All of above
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