The 8051 Microcontroller - General Questions Online Exam Quiz
The 8051 Microcontroller - General Questions GK Quiz. Question and Answers related to The 8051 Microcontroller - General Questions. MCQ (Multiple Choice Questions with answers about The 8051 Microcontroller - General Questions
The internal RAM memory of the 8051 is:
Options
A : 32 bytes
B : 64 bytes
C : 128 bytes
D : 256 bytes
This program code will be executed continuously: STAT: MOV A, #01H JNZ STAT
Options
A : True
B : False
C : -
D : -
The 8051 has ________ 16-bit counter/timers.
Options
A : 1
B : 2
C : 3
D : 4
The address space of the 8051 is divided into four distinct areas: internal data, external data, internal code, and external code.
Options
A : True
B : False
C : -
D : -
Data transfer from I/O to external data memory can only be done with the MOVX command.
Options
A : True
B : False
C : -
D : -
The 8051 can handle ________ interrupt sources.
Options
A : 3
B : 4
C : 5
D : 6
The special function registers are maintained in the next 128 locations after the general-purpose data storage and stack.
Options
A : True
B : False
C : -
D : -
This statement will set the address of the bit to 1 (8051 Micro-controller): SETB 01H
Options
A : True
B : False
C : -
D : -
MOV A, @ R1 will:
Options
A : copy R1 to the accumulator
B : copy the accumulator to R1
C : copy the contents of memory whose address is in R1 to the accumulator
D : copy the accumulator to the contents of memory whose address is in R1
A label is used to name a single line of code.
Options
A : True
B : False
C : -
D : -
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