Term
| What is an operating system? |
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Definition
| an operating system consists of a set of resources (AUI, API, the kernel, devices drivers and hardware) whose purpose is to facilitate easy, efficient, fair, orderly and secure use of these resources. |
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Term
| hardware resources include what? |
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Definition
| RAM, disk drive, modem, CPU |
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Term
| The language libraries and system call interfaces comprise what is commonly known as what? |
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Definition
| application programmer's interface. |
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Term
The operating system can be be viewed as a
____ ____ because it controls all the system's resources |
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Definition
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Term
| the operating system provides a ___ ___ that is much easier to deal with than the physical machine |
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Definition
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Term
| Name the major operating system services |
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Definition
- execution of a program
- i/o operations performed by programs
- interprocess communication
- error detection and reporting
- manipulation of all types of files
- management of users and security |
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Term
| If you use the keyboard to issue commands to the operating system, the operating system has what type of interface? |
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Definition
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Term
| if the primary input device for issuing commands to the operating system is a point-and-click interface such as a mouse, the operating system has what type of interface |
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Definition
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Term
| name some operating systems with character user interfaces |
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Definition
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Term
| Name some operating system with a graphical user interface |
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Definition
| MacOS, OS/2 and MS Windows |
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Term
| these operating systems allow only one user at a time to use the computer system, and the user can run only one process at a time |
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Definition
| single user-single process system |
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Term
| these operating systems allow a single user to use the computer system, but the user can run multiple processes simultaneously. |
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Definition
| Single user, multiprocess system |
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Term
| these operating systems allow multiple users to use the computer system simultaneously, and every user can run multiple processes at the same time |
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Definition
| multiuser, multiprocess system |
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Term
| Unix is what type of operating system |
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Definition
| multi-user, multi-process system |
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Term
| multiuser, multiprocess system are used to increase ____ ____ in the computer system by multiplexing expensive resources such as the CPU. |
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Definition
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Term
| an increase in resource utilization leads to an increase in system ____ or the number of processes finished in a unit time. |
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Definition
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Term
| what is multiprogramming? |
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Definition
| the mechanism of assigning the CPU to another process when the current process is performing i/o |
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Term
| which type of operating system allows users to interact with their executing programs |
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Definition
| interactive operating systems |
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Term
| which type of operating system do not allow users to interact with their executing programs |
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Definition
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Term
| the multiuser, multiprocess and interactive operating systems are known as what? |
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Definition
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Term
| what is a time sharing system? Be precise. |
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Definition
| in time-sharing systems, the CPU is switched from one process to another in quick succession. This method of operation allows all the processes in the system to make progress, giving each user the impression of sole use of the system. |
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