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

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This program code will be executed continuously: STAT: MOV A, #01H JNZ STAT

Options

A : True

B : False

C : -

D : -

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The 8051 has ________ 16-bit counter/timers.

Options

A : 1

B : 2

C : 3

D : 4

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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 : -

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Data transfer from I/O to external data memory can only be done with the MOVX command.

Options

A : True

B : False

C : -

D : -

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The 8051 can handle ________ interrupt sources.

Options

A : 3

B : 4

C : 5

D : 6

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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 : -

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This statement will set the address of the bit to 1 (8051 Micro-controller): SETB 01H

Options

A : True

B : False

C : -

D : -

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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

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A label is used to name a single line of code.

Options

A : True

B : False

C : -

D : -

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