Upload
others
View
2
Download
0
Embed Size (px)
Citation preview
Open source
Closed source
Off the shelf
Shareware
Freeware
Bespoke
Embedded
Utility software
Productivity software
Word Spreadsheet Email Database
Development tools
Compiler Debugger Translator Integrated design environment.
Applications software
Productivity software
Word Spreadsheet Email Database
Business Software
MIS Multimedia Collaboration Project management Manufacturing CAD/CAM Publishing Expert systems Health care
Development tools
Compiler Debugger Translator Integrated design environment.
What is their purpose?
Advantages and
disadvantages Off the shelf/open source/ bespoke
Operating Systems
Single processor / multi-processor
Off the shelf/open source/ bespoke
Personal assistants – Siri, Cortana
Teleconferencing
Communication Methods
Cellular / satellite
Messaging software
Social Networking
Voip Email Instant messaging
SMS
Software troubleshooting
Documentation
IP
SMTP
Protocols
TCP
UDP
FTP
HTTP
SNMP
ICMP
POP
Progress Mutual is a bank with eight branches, based in the West Midlands. Its main business is to provide savings accounts to local people. The bank has been open for nearly 100 years and has over 500 000 customers. Many of these customers use a passbook that lists all of their transactions and is updated every time they visit a branch. A new online banking system has recently been launched and a number of customers have started to use this. As well as a mainframe, the bank has a number of other servers housed in a data centre in its head office. It also has a back-up data centre in an off-site location.
Progress Mutual uses an open source operating system on some of its devices. Explain two advantages and one disadvantage of using an open source operating system. [4]
Progress Mutual uses an MIS to help it run the bank. Explain, using examples, how Progress Mutual could use an MIS. [4]
Progress Gaming has decided to use a teleconference to interview new programmers. Explain two disadvantages of using a teleconference to interview new programmers. [4]
Progress Gaming uses an off the shelf operating system for its servers and personal computers.
Compare the use of an off the shelf operating system with an open source operating system. [4]
Identify one other type of operating system and explain how Progress Gaming could use it. Operating system [6]