Answered: If you want to get the system date,…

Engineering

Computer Science

If you want to get the system date, display it, and then change it, which INT 21h functionsare required?

Np Ms Office 365/Excel 2016 I Ntermed

1st Edition

ISBN:9781337508841

Author:Carey

Publisher:Carey

Chapter8: Working With Advanced Functions

Section8.2: Lookup Tables And The Iferror Function

Problem 8QC

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Concept explainers

Multiple Table

In a database, a table is used to store data in the form of rows and columns. Rows are aligned horizontally and identified by one or more values in a specific column. Columns are vertically aligned and identified by a unique column name.

Question

If you want to get the system date, display it, and then change it, which INT 21h functions
are required?

Expert Solution

Step 1

INT 21h FUNCTION TO GET SYSTEM DATE AND DISPLAY IT:

Interrupt function to get the system date include AH Dos command.
It is a DOS interrupt which takes the date from the system details and then takes it in the as format as is set in the device system memory.
Function to get the system date is 2Ah.
Syntax for getting system date is:
- AH = 2Ah - GET SYSTEM DATE
- It will return the date of the system be extracting it segment wise.
- Return: CX= year(1980-2099) DH = month DL = day AL = day of week

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