Untitled Quiz

<p>0x0003 (A)</p> Signup and view all the answers

<p>The size of the current instruction determines the next address. (C)</p> Signup and view all the answers

<p>To clear the value of the Ax register to 0 (D)</p> Signup and view all the answers

<p>OR (D)</p> Signup and view all the answers

<p>Ax must always be one of the operands (B)</p> Signup and view all the answers

<p>It is stored in Dx (D)</p> Signup and view all the answers

<p>It stores data from source to destination without altering the source (D)</p> Signup and view all the answers

<p>NOT (A)</p> Signup and view all the answers

<p>Load one operand into Ax (A)</p> Signup and view all the answers

<p>It sets the zero flag (D)</p> Signup and view all the answers

<p>ADD (C)</p> Signup and view all the answers

<p>They are language-independent (C)</p> Signup and view all the answers

<p>High-level language statements can translate to multiple machine level instructions, while assembly mnemonic translates to only one. (C)</p> Signup and view all the answers

<p>The instruction includes the actual data to be loaded directly into the register. (C)</p> Signup and view all the answers

<p>Register indirect addressing (A)</p> Signup and view all the answers

<p>The value 0x40 is directly loaded into the Ax register. (A)</p> Signup and view all the answers

<p>The instruction indicates a memory address where data will be stored or retrieved. (D)</p> Signup and view all the answers

<p>Transfers the value from memory at the address contained in Bx into the Ax register. (A)</p> Signup and view all the answers

<p>8 bits (B)</p> Signup and view all the answers

<p>32 bits of data storage (A)</p> Signup and view all the answers

<p>16 bits of data (B)</p> Signup and view all the answers

<p>To indicate which segment of memory to access (D)</p> Signup and view all the answers

<p>Four bytes are loaded into EAx from memory (D)</p> Signup and view all the answers

<p>The operation will succeed and return incorrect data (D)</p> Signup and view all the answers

<p>Segment register (C)</p> Signup and view all the answers

<p>2 bytes (B)</p> Signup and view all the answers

<p>The first 16 bits of data from memory will be moved to Bx (C)</p> Signup and view all the answers

<p>The data is truncated to fit the register size (B)</p> Signup and view all the answers

<p>It is decremented by 1. (B)</p> Signup and view all the answers

<p>4 bytes. (A)</p> Signup and view all the answers

<p>The stack pointer is decremented by 2. (D)</p> Signup and view all the answers

<p>To load data from the stack into a register. (D)</p> Signup and view all the answers

<p>It remains at a fixed size until reset. (D)</p> Signup and view all the answers

<p>4 locations. (C)</p> Signup and view all the answers

<p>They remain stable until a POP is executed. (A)</p> Signup and view all the answers

<p>In chunks of 8 bits. (C)</p> Signup and view all the answers

<p>The location of the last PUSH operation. (D)</p> Signup and view all the answers

<p>PUSH CX. (B)</p> Signup and view all the answers

A programming instruction that can translate to multiple machine-level instructions.

An assembly instruction that directly maps to one machine code instruction.

Loading data directly from a register into another register.

Loading data directly into a register from an immediate value.

Loading data from a specific memory location into a register.

Loading data from a memory location whose address is stored in a register.

A unique numerical identifier for a storage location in memory.

A way to tell the microprocessor to fetch 32 bits (a double word) from memory starting at a given address.

A data type that represents 32 bits of information.

A 32-bit general-purpose register used to store data in a microprocessor.

Specifies a memory location and how to fetch 16 bits (a word) from it

Instruction to load 16 bits from a memory location into the Bx register. The address is in the Cx register.

A numerical value indicating how many bytes to offset from a base address.

Specifies the memory segment where data is located, complementing register offset to get the real address.

Registers in a microprocessor used for data storage. Often used as pointers in memory access instructions.

Using the XOR instruction with a register and itself to set the register to zero.

A bitwise logical operation that sets a bit to 1 if the corresponding bits in the operands are different, and 0 if they are the same.

An operation that inverts the bits of a register.

An instruction that multiplies the value in the Ax register with another operand to produce a larger product.

The value in the Ax register to be multiplied and one other register. The second operand is implied to be in the register.

Multiplication of two 16-bit numbers.

A data transfer operation that copies the source operand to the destination operand, leaving the source unchanged.

Copies data, leaving the source unchanged.

The operand from which data is copied.

The operand to which data is copied.

A register that holds the address of the next instruction to be executed by the microprocessor.

An instruction that transfers program control to a subroutine, saving the current instruction pointer's value to allow the program to return to its original location after the subroutine finishes.

A separate block of code designed to perform a specific task, typically called from other parts of the program.

The process of interpreting an instruction's machine code to determine what operation it represents and what data it needs to work with.

The process of retrieving an instruction from memory based on the value of the instruction pointer.

A register that points to the current top of the stack. It is responsible for managing memory for temporary data storage during program execution.

An instruction that adds data to the stack. It decrements the stack pointer by the size of the data being pushed and then copies the data to the location pointed to by the new ESP.

An instruction that removes data from the stack. It copies the data from the top of the stack to a register, increments the stack pointer by the size of the data popped, and then effectively removes the data from the stack.

A designated area in memory reserved for the stack. It is used for temporary data storage during program execution.

When pushing data onto the stack, the stack pointer (ESP) is decremented by the size of the data being pushed. This ensures the data is placed at the correct memory location on the stack.

The Stack Pointer (ESP) is decremented by the size of the data being pushed to make room for the new data on the stack. This ensures the data is placed at the correct memory location, with older data stored further 'down' the stack.

The stack grows downwards, meaning that as data is pushed onto the stack, the stack pointer (ESP) is decremented to access lower memory addresses.

PUSH and POP operations change the location of the stack pointer (ESP). The size of the data being pushed or popped determines how much ESP is incremented or decremented, ensuring data storage and retrieval are done at the correct addresses.

The size of the data being pushed or popped determines the amount by which the stack pointer (ESP) is decremented or incremented. For example, pushing a 16-bit value will decrement ESP by 2, while pushing a 32-bit value will decrement it by 4.

The start of the stack segment is determined by the value stored in the Stack Segment Register (ESS). This register defines the beginning of the memory space allocated for the stack.