2477810
Beschreibung
Karteikarten von Balikkoftesi, aktualisiert more than 1 year ago
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Erstellt von Balikkoftesi
vor mehr als 9 Jahre
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| Frage | Antworten |
| What is a hardware? | Physical component/parts of the computer. |
| What is a software? | Programs/sequences of instructions which run on the hardware. |
| What is a peripheral? | An external hardware device. |
| What are the types of software? | System Software Application software |
| What is system software? | A layer of software which enables users to operate the computer. |
| What is application software? | Program written to perform end-user task. |
| What is general purpose software? | Software written to do more than one task. |
| Give examples of general purpose software? | Word processor Spreadsheet Presentation |
| What is special purpose software? | Software written to solve a specific problem (to do one task only). |
| Give examples of special purpose software. | Payroll Weather forecasting Web browser Games |
| State one role of the operating system. | Provide an interface between the computer and user. To manage devices/files/memory. To provide a virtual machine. To provide a software platform on which other programs can run e.g. application software. To hide the complexity of the hardware from the user. |
| State one purpose of library programs | To provide access to procedures/functions when writing a program. To reduce amount of time taken to write a program. To allow sharing of run-time code across programs. To save memory as routines are only loaded when needed. |
| What is bespoke software? | Software specially written/tailor made for an end user. |
| What are the advantages of bespoke software? | Meets all of the end-user requirements. Only performs necessary functions. Can be fitted into existing hardware/software. |
| What are the disadvantages of bespoke software? | More expensive as you have to cover production costs. Not available immediately - have to wait for software to be written. Less widely tested so more likely to contain bugs. Lack of 3rd party support. |
| Why might someone choose a special purpose application package rather than a bespoke solution? | It's immediately available. It has a lower cost as development costs shared amongst many. Regular upgrades available. |
| Why might someone choose to order a bespoke piece of software? | No appropriate software to solve the problem exactly. To run on existing hardware/software. No necessary features. |
| What is integrated package? | Single piece of software comprising a group of applications. e.g. Microsoft Office |
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