Microprocessor 808x (CBSE (UGC) NET)

It is abbreviation for Transmitter Empty.This component in Intel 8251 microprocessor is an output terminal which indicates that the 8251 has transmitted all the characters and has no character data.

This bit of status register in the architecture of 8087 co-processor is used for over flow error that indicates a result which is too large to be represented.

This port in a computer is a standard hardware interface used for implementing asynchronous serial data communication ports on devices such as CRT terminals, printers modems and keyboards.

This instruction debugger command in microprocessor enables one to write program from a specified address.

STO SB meand Store Byte to String. This instruction is used in 8085 to store a byte from AL into a string location in memory.

This I/O port addressing mode is the one in which one byte port address is provided after the opcode and the port address can't be changed throughout the program execution.

This main part of Execution Unit is a 16-bit register having 16 flip flops that shows the condition or changes produced by the execution of an instruction.

This language translator in microprocessor is basically a program that enables the programmers to find and remove errors from a program.

This data transfer instruction in 8086 microprocessor is used to copy data from source memory location to destination.

Pin 8086 is a bus high enable signal that shows the data transfer over the higher order (D15-D8) data bus.

This pair of registers in general purpose registers is used as a memory pointer in data segment and is also used for based indexed and register indirect addressing modes.

This conditional loop instruction in 8086 is used to LOOP or jump to the location described by label if CX does not equal zero and ZF = 0.

This instruction in 8086 microprocessor is used for signed multiplication.

This branch instruction is encountered by a microprocessor at the end of subroutine and it returns the control to the main program.

STI stands for Set Interrupt. This is a flag manipulation instruction in 8086, which is the interrupt flag set by the instruction that helps processor to identify the maskable interrupt on INTR pin.