ISM3004 Week 2 Scavenger hunt 2023 with complete solution

Software cake layers 1. user 2. application 3. operating system 4. hardware Each level can only communicate with the levels above or below it System software makes computer function Operating system, device drivers, system utilities operating system type of system software that controls the computer hardware application software helps you to accomplish a task firmware software stored on memory chips embedded systems special-purpose software included inside physical products platform tools that let developers interact with programs desktop software installed for a single user, typically on a private computer "open office," databases, vizio enterprise software installed on a shared system; same program used by everyone consistency ERP enterprise resource planning components: modules, code base, customization, integration CRM Consumer relationship management complexity, privacy, user buy-in, vendor stability SCM supply chain management sequence the chain of events of producing produts desktop applications pros and cons pros: very flexible, inexpensive Cons: can easily lose all data, cannot share or collaborate server stores and processes data client your device that you use to communicate information to servers application server software that houses and serves business logic for multiple uses web services pieces of code accessed by app server for machine-2-machine use API application programming interface guidelines for other programs to compute a task SOA service oriented architecture set of web services built around an organizations processes and procedures EULA end user license agreement shrink wrap: when you open it, you are agreeing click wrap: vendor makes you click an agree button volume licensing per seat: per software sold, don't care how many people use it per user: either total users or total concurrent users FTE: full time employees Perpetual license licensed to use software forever (no ownership) compiled language english is converted to binary codes for CPU use Interpreted language line of code is converted each time JAVA write once, run everywhere JavaScript code you can interact with anywhere TCO total cost of ownership "beyond price tag" __% of total IT cost occur after initial purchase 80 __% of IT projects fail 68 What are factors that cause a project to fail? poor business analysis, poor requirements/specifications