This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Management Information Systems, Management Information Systems, Second Canadian EditionSecond Canadian Edition
Chapter 6: Hardware and SoftwareChapter 6: Hardware and Software
Program:Program:
• instructions to the computerinstructions to the computer
System Software:System Software:• manages computer’s resources so that manages computer’s resources so that
application software can run efficientlyapplication software can run efficiently• eg multiprogramming, multiprocessingeg multiprogramming, multiprocessing
Application SoftwareApplication Software::
• Programs to serve end usersPrograms to serve end users• eg MS Accesseg MS Access
Management Information Systems, Management Information Systems, Second Canadian EditionSecond Canadian Edition
Chapter 6: Hardware and SoftwareChapter 6: Hardware and SoftwareSOFTWARE
Programming Languages:Programming Languages:
• Machine LanguageMachine Language• Consists of the 0s and 1s of binary code
• High Level Languages High Level Languages • Must be ‘complied’ (translated to machine language)• eg - COBOL, C++, Visual BASIC
• Programming tools designed to support the WebProgramming tools designed to support the Web• HTML, XML – page formatting tools• Java - Platform-independent programming language• .NET - Microsoft business strategy aimed at
Management Information Systems, Management Information Systems, Second Canadian EditionSecond Canadian Edition
Chapter 6: Hardware and SoftwareChapter 6: Hardware and Software
• Capacity Planning:Capacity Planning: Process of Process of predicting the computing power neededpredicting the computing power needed
• Scalability:Scalability: Ability of a computer system Ability of a computer system to expand without breaking downto expand without breaking down
• Management of TCO:Management of TCO: total cost of total cost of owning IT resources includes:owning IT resources includes:• initial cost of hardware and software• cost of maintenance, upgrades, training etc.
• In-house vs Out sourcing:In-house vs Out sourcing: Use of Use of service providers? service providers?