Flashcards
Operating Systems
Cards in this deck (17)
- 1What is an operating system?Core software that allows a computer to run as a useful device and controls peripheral devices.
- 2Name 4 examplesWindows, Mac OS, Android and Unix
- 3Name 3 common functions.Providing a user interface, managing memory abd managing hardware.
- 4What is a user interface? Give an example.What the user sees and uses to control the functions of the operating system. GUI.
- 5What does GUI stand for and how does it look?Graphical User Interface. Uses icons, buttins and visible features.
- 6How does an operating system manage memory?It only loads necessary parts of an application when it first opens but as you use the app smaller modules are loaded.
- 7Why is memory managenent important?There is a limited amount of memory so needs to be managed efficiently.
- 8What is a device driver? Give an example.Software provided with ahrdware so other software can communicate with the hardware. A printer has a print driver.
- 9How does an operating system use device drivers?It sends instructions and data through the device driver.
- 10Name 2 other functions of an operating system.Security and moving data to the hard disk..
- 11How does a single user, single tasking device work?It deals with 1 user and runs 1 app.
- 12Give an example of a single user, single tasking device.Mobile phone.
- 13How does a single user, multi tasking device work?It deals with 1 user and several apps at once.
- 14Give an example of a single user, multi tasking device and an advantage.Personal computer. Has more RAM.
- 15How does a multi user multi tasking device work?It deals with several users on serval apps at once.
- 16Who would use a nulti user multi tasking device?Bankers or weather scientists.
- 17Give 2 disadvantages of multi user multi tasking.It is expensive and uses lots of power.
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- Flashcards on Operating Systems, created by dsouthin11 on 11/02/2016.
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- dsouthin11
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