The addressing mode of source operand in the instruction "MOV R0, #30H" is ( )
A. register addressing mode
B. direct addressing mode
C. immediate addressing mode
D. register indirect addressing mode
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What is the reset value of the stack pointer SP register? ( )
A. 07H
B. FFH
C. 00H
D. 08H
MOV 10H, 20H is ( )byte instruction.
A. 1
B. 2
C. 3
D. 4
The special function registers can be referred to by their hex addresses or by their register names. ( )
Instruction “MOV C, 30H” is a valid 8051 instruction. ( )