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A two-address instruction format is used in computer architecture to simplify the instruction set by allowing operations to specify two operands: one as a source and one as a destination. This means that one operand can be overwritten with the result of the operation, streamlining the process of executing arithmetic or logical operations. It reduces the number of instructions needed for certain computations, as the result can be stored in one of the original operands. This format enhances efficiency in both instruction execution and memory usage.
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What is the function of the program counter register?
The function of the program counter register is to hold the address of the instruction that is being executed and (later) to hold the address of the instruction that will be executed next.
What is the difference between three address instruction and two address instruction?
the differebce between three address instruction and two address instruction is three adresss instructoion two address instruction 1) here 3 oprarend fields are used 1) here 2 oprerand fields are used 2) the result is stored in 3rd operand 2) here the result is stored in 2nd oparend
What is the function of program counter?
program counter is a register that has the address of next instruction that has to be executed after currently executing instruction. it is used for proper execution of functions of computer by providing address of next instruction to microprocessor.
Z4a-b 19c 26 solve the given equation by using Three Address instruction Two Address instruction 1 Address Instruction and 0 Address Instruction?
There is no equation first of all because the given expression conveys no clue regarding destination or source......................?
Purpose of program counter in a microprocessor is?
In 8085 program counter stores the address of the next instruction which is to be fecthed.same function is performed by instruction pointer in 8086.
What is the function of XRA instruction?
What is the function of XRA instruction
What is 3 byte instruction in microprocessor?
A two-byte instruction gives the specific function instruction in two bytes, or two words. The first specifies the opcode, which tells the microprocessor what operation will occur. The second specifies the operand, or the data that the operation is done on.
What is the function of the PC register in the 8086 CPU?
There is no PC register in the 8086/8088. It is called the IP register by Intel and it stands for the Instruction Pointer. It contains the address of the current/next instruction to be executed.
What is Function of IP register in 8086?
The IP register contains the address of the next instruction to fetch and execute. Normally, IP is incremented by the number of bytes in the instruction after execution of that instruction, unless a transfer of control occurs, in which case IP is loaded with a new value.
What is a command to the CPU to perform one processing function on one or two data inputs?
An instruction is a command to the CPU to perform one processing function on one or two data inputs.
Which register in 8086 contains the address of the next instruction to be fetched?
program counter holds the address of the next instruction.
How do you calculate instruction address and data address give example?
To calculate an instruction address and a data address, you typically use the base address and an offset. For example, if the base address of a program is 0x1000 and the instruction is located at an offset of 0x0040, the instruction address would be calculated as 0x1000 + 0x0040 = 0x1040. Similarly, if a data item is stored at an offset of 0x0020 from the same base address, the data address would be 0x1000 + 0x0020 = 0x1020.
