Q. All the interrupts are enabled using a special function register called

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Q. The number of bytes stored on the stack during one operation of PUSH or POP is

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Q. The step involved in PUSH operation is

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Q. The step involved in POP operation is

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Q. The 8051 stack is

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Q. After reset, the stack pointer(SP) is initialized to the address of

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Q. The address register for storing the 8-bit addresses can be

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Q. The instruction, ADD A, R7 is an example of

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Q. The instruction, ADD A, #100 performs

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Q. In which of these addressing modes, a constant is specified in the instruction, after the opcode byte?

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Q. The only memory which can be accessed using indexed addressing mode is

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Q. The data address of look-up table is found by adding the contents of

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Q. Which of the following is not an instruction of 8051 instructions?

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Q. The logical instruction that affects the carry flag during its execution is

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Q. In logical instructions, the immediate data can be an operand for

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Q. If the most significant bit of relative address byte is 1, then the short jump instruction is

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Q. The first byte of an absolute jump instruction consists of

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Q. The third byte of the long jump instruction is

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Q. The absolute jump instruction is intended mainly for a jump within a memory space of

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Q. The LJMP instruction is very useful in programming in the external code memory space of

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