Flashcards
System Software
Cards in this deck (15)
- 1Operating SystemOperating system is a set of program that controls how the user interacts with the hardware and software of a computer system
- 2User InterfaceAllows users to interact with a computer system. Commonly are (GUI)
- 3Memory Management (Multitasking)Program have to be loaded in the main memory before they can be used. To run more than 1 program they have to be in memory the same time. It will de-alcoate space.
- 4Peripheral ManagementMost computer system use peripheral device for input and output of data
- 5File managementDeals with movement. The operating system creates a folder and file structure to help us organise our file.
- 6User ManagementUser-account allow different users to be granted access to specific data or resources on a computer system
- 7Utility SoftwareDesigned to do 1 or 2 more task. Help to maintain or configure a computer
- 8Compression ToolMakes file size smaller and reduces file size
- 9BackupRestores file,data and program in case of failure. Stores to different location
- 10EncryptionScramble data made to be unreadable to anyone who doesn't have a key. Data is encrypted using a key and then encrypted using a key
- 11DefragmantationMake computer faster and faster at rearranging files.
- 12Need of compresionHave more disk space and faster to download
- 13Difference between lossy and losslessLossless reduce file with no loss of quality and lossy loses data and quality.
- 14When will Lossy and lossless compression be used
- 15State what is meant by open source and proprietary software