Wednesday, May 29, 2024

A practical approach to MIS

Understanding the basics of computer.

computer is a system.

What is a system ?

A System is an orderly grouping of interdependent components linked together according to a plan to achieve a specific goal.



A computer is a programmable electronic device that can process information (data) according to instructions (programs).


it is also called a data processor.

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What is processing ?

processing refers to the act of performing a series of operations on data according to programmed instructions.

This can involve:

Calculations:

Performing mathematical operations like addition, subtraction, multiplication, and division.

Logical operations:

Making comparisons (greater than, less than, equal to) and following branching logic (if/then statements).

Data manipulation:

Arranging, sorting, and modifying data based on specific criteria.
Transforming data: Converting data from one format to another (e.g., text to numbers, images to compressed files).

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What is a program?

Program is a set of instructions to solve any given problem or to perform any particular task.

PDLC ( program development life cycle)

Analysis
Design
Algorithm
Flowchart
Pseudo code
Coding
Testing
Implementation

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exercise 1: write an algorithm and draw a flowchart to fine a given number is negative or positive


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Basic terms of Computer system

hardware / devices
basic characteristics
software / applications
types of software ( system and application)
extension of files
networking/ Internet / web / www/ Protocols


  • Essential Skills for Practical MIS Implementation
    • Understanding of Emerging Technologies (e.g., AI, Blockchain, IoT)
    • Traditional Software Tools (Word Processing, Spreadsheet Applications)
    • Database Management Systems (DBMS) (SQL, Example: MS Access)
    • Business Intelligence (BI) Tools (Example: Power BI)


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Understanding of Emerging Technologies





















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