microprocessor 1. Select an instruction that adds BX to DX, and alsoadds the contents of the carry flag (C) tothe result.2 Write a short sequence of instructions that subtractsthe numbers in DI, SI, and BP from theAX register. Store the difference in register BX.3. Explain the difference between the SUB and CMPinstruction4 When two 16-bit numbers are multiplied, what tworegisters hold the product? Show the registers thatcontain the most and least significant portions ofthe product.s. Write a sequence of instructions that cube the 8-bitnumber found in DL. Load DL with a5 initially, and make sure that your result is a 16-bitnumber.. Write an AND instruction that will:(a) AND BX with DX and save the result in BX(b) AND OEAH with DH(c) AND DI with BP and save the result in DI(e) AND the data addressed by BP with CX andsave the result in memory7. Develop a short sequence of instructions that clears(0) the three leftmost bits of DH withoutchanging the remainder of DH and stores the resultin BH.8. Develop a short sequence of instructions that sets(1) the rightmost 5 bits of DI withoutchanging the remaining bits of DI. Save the resultsin SI.

Instruction : ADC DX,BX It adds the contents of register BX to DX It adds alongside with previous…

Answered: et an instruction that adds BX to D s…

Engineering

Computer Science

et an instruction that adds BX to D s the contents of the carry flag (C) result.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Concept explainers

Computer Fundamentals

The computer is termed computation. For calculating or computing something the device that has been used is known as the computer. Or we can say that for performing a fast arithmetic operation the device that has been used is a computer. Storing, processing, and retrieving are the main features of a computer. 

Question

microprocessor

1. Select an instruction that adds BX to DX, and also
adds the contents of the carry flag (C) to
the result.
2 Write a short sequence of instructions that subtracts
the numbers in DI, SI, and BP from the
AX register. Store the difference in register BX.
3. Explain the difference between the SUB and CMP
instruction
4 When two 16-bit numbers are multiplied, what two
registers hold the product? Show the registers that
contain the most and least significant portions of
the product.
s. Write a sequence of instructions that cube the 8-bit
number found in DL. Load DL with a
5 initially, and make sure that your result is a 16-bit
number.
. Write an AND instruction that will:
(a) AND BX with DX and save the result in BX
(b) AND OEAH with DH
(c) AND DI with BP and save the result in DI
(e) AND the data addressed by BP with CX and
save the result in memory
7. Develop a short sequence of instructions that clears
(0) the three leftmost bits of DH without
changing the remainder of DH and stores the result
in BH.
8. Develop a short sequence of instructions that sets
(1) the rightmost 5 bits of DI without
changing the remaining bits of DI. Save the results
in SI.

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