Exercise 4. Match the terms on the right with their definitions on the left.
| OS which executes processes on several CPU simultaneously is called | a | multitasking | |
| OS which enables a user to run more than one application at the same time is called | b | real-time | |
| OS which gives a user an opportunity to exploit different parts of an application without delays is called | c | multiuser | |
| OS which allows many people to have programs executed at the same time is called | d | multithreading | |
| when OS is able to react to data or user calls immediately is called | e | multiprocessing |
Exercise 5. Match the functions of OS on the right with their definitions on the left.
| OS creates a process by loading a program code from the disk and allocating memory to it. | a | Program execution | |
| OS handles the allocation and management of memory. | b | Memory management | |
| OS is in charge of organizing data storage and handling the application program access to files stored on the disk. | c | File management | |
| OS prevents unauthorized users from accessing the computer system. | d | Security | |
| OS controls the functionality of all peripherals like a keyboard and printers. | e | Device management | |
| OS constantly monitors the system for finding bugs and faults | f | Error detecting |
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