1.9 Application systems
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Review
1. Distinguish between application software and system software
2. The role of the operating system
3. Describe the computer boot process
4. Resources in the computer?
5. Progress?
6. What is computer memory management?
7. Distinguish between logical address and physical address
8. How are files managed on a computer?
Information system – information system
Computers exist to manage and analyze data.
Information systems: are software that help us store and manage data.
Spreadsheet software and database management systems are two popular information system software.
Spreadsheet: is a convenient tool for basic data analysis based on formulas that can be expanded to define relationships between data.
Database management system: focuses on large-sized data, mainly serving the purpose of searching and management.
Spreadsheet
Spreadsheet is software that allows users to manage and analyze data.
Data analysis based on a grid of labeled cells.
A cell can contain data or formulas used to calculate
value calculation
Cell data can be text, numbers or special data such as dates, etc.
Some popular spreadsheet software: Microsoft Office Excel , OpenOffice.org Calc, Google spreadsheets, Gnumeric,..
Spreadsheet
Microsoft Office Excel
Spreadsheet
Spreadsheet with data and formulas
Spreadsheet
Spreadsheet
Spreadsheet