{"id":1024,"date":"2020-02-18T07:44:05","date_gmt":"2020-02-18T07:44:05","guid":{"rendered":"https:\/\/bcisnotes.com\/thirdsemester\/?p=1024"},"modified":"2021-06-18T05:19:08","modified_gmt":"2021-06-18T05:19:08","slug":"opcode-and-operands-intel-8085-microprocessor-architecture-and-programming-bcis-notes","status":"publish","type":"post","link":"https:\/\/bcisnotes.com\/thirdsemester\/computer-architecture-and-microprocessor\/opcode-and-operands-intel-8085-microprocessor-architecture-and-programming-bcis-notes\/","title":{"rendered":"Opcode and Operands || Intel 8085 Microprocessor Architecture and Programming\u00a0|| Bcis Notes"},"content":{"rendered":"

Opcode and Operands<\/h2>\n

An opcode is nothing but the processor\u2019s Operational code which is designed during the manufacturing of the chip. This means you can not change the opcode unless you change the HARDWARE design of the processor. An operand\u00a0is a variable that stores data(and data can be a memory address or any data that we want to process. The machine language consists of strings of binary numbers i,e., 0’s and 1’s and this is only the language that is understood by the computer system. Machine code is the fundamental language of a computer. Machine language is also called as a low-level language.<\/p>\n

What are OPCODE?<\/strong><\/p>\n

Opcodes mean “operation codes”.\u00a0 An opcode is the first part of an instruction that tells the computer what function to perform. Every computer has an operation code or opcode for each of its functions. It is an instruction that tells the processor what to do with the variable or data written beside it.<\/p>\n

\"OPCODE\"<\/p>\n

What is Operand?<\/strong><\/p>\n

An operand is the second part of the instruction, which tells the computer where to find or store the data or instructions. The number of operands varies among computers. Each instruction tells the Control Unit of the CPU what to do and how to do it. The operations are Arithmetic, Logical, Branch operation, etc depending upon the problem that is given to the computers.
\n\"operand\"<\/p>\n

you may also like Internal Architecture of 8085 microprocessor<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Opcode and Operands An opcode is nothing but the processor\u2019s Operational code which is designed during the manufacturing of the chip. 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