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Microprocessor Addressing Modes Quiz

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Questions and Answers

What are the different addressing modes in 8086 Microprocessor?

Register Addressing, Immediate Addressing, Direct Addressing, Register Indirect Addressing, Based Addressing, Indexed Addressing, Based Index Addressing, String Addressing, Direct I/O port Addressing, Indirect I/O port Addressing, Relative Addressing, Implied Addressing

What is the purpose of addressing modes in 8086 Microprocessor?

The different ways in which a source operand is denoted in an instruction

Which group of addressing modes in 8086 Microprocessor is for register and immediate data?

Group I

Explain the Register Addressing mode in 8086 Microprocessor.

The instruction specifies the name of the register which holds the data to be operated by the instruction Signup and view all the answers

What is the Relative Addressing mode in 8086 Microprocessor used for?

It is used for relative addressing Signup and view all the answers

What is the purpose of stack memory in a computer?

Stack memory is used for organizing and managing function calls and local variables in a program, following the Last-In-First-Out (LIFO) principle. Signup and view all the answers

Explain the concept of a stack frame in relation to stack memory.

A stack frame is a block of memory that contains information specific to a function call, including parameters, local variables, and the return address. Signup and view all the answers

How does stack memory handle function calls in a program?

When a program executes a function call, the current state of the program, including memory contents and the instruction pointer, is pushed onto the stack to create a new stack frame for the function. Signup and view all the answers

What principle does stack memory follow, and how does it impact the stored items?

Stack memory follows the Last-In-First-Out (LIFO) principle, meaning that the most recently added item is the first one to be removed. Signup and view all the answers

Why is stack memory considered an essential component of most programming languages?

Stack memory plays a crucial role in function execution and memory management in programming languages. Signup and view all the answers