| 1.It is a major problem for the operating system to map the logical file concept onto physical storage devices such as magnetic tape or disk . | |
| | 2.The scanner converts the external view of the source program into an internal format more suited for further manipulation by the remainder of the compiler. | |
| | 3.Error recovery does not belong to operating system. | |
| | 4.Device drives allow communications between particular device and the computer system. | |
| | 5.Language translators convert one programming language to another. | |
| | 6."Interrupt hardware" allows the operating system to coordinate operations going on simultaneously; it also allows the sequential flow of a program. | |
| | 7.Once the operating system accepts a user's job, it may create one process. | |
| | 8.Many operating systems have similar characteristics. | |
| | 9.The code generator takes the source code it receives the optimizaer and produces assembly or machine language code. | |
| | 10.One of the functions of an operating system is memory management. | |
| | 11.The life cycle of a process can be represented by transitions between submit, hold, run, wait and complete. | |
| 1.（ ） is permanently stored in the computer and provides a link between the hardware and other programs that run on the PC. | |
| | 2.Programs written in all other kinds of languages are translated into ( ) before they are performed. | |
| | 3.Computer systems consist of two very different types of elements: Hardware, which includes all the physical things that can be touched and （ ） , which tells the hardware how to do . | |
| | 4.( ) drives can erase and store data. | |
| | 5.The ( ) turns the object file into an executable program. | |
| | 6.（ ）：A series of instructions(commands) performed in a sequence specifying actions to accomplish a task. | |
| | 7.( ) is an operating system that was initially created as a hobby by a young student. | |
| | 8.A （ ） is a functional unit that interprets and carries out instructions. | |
| | 9.The term " （ ） program" means a program written in high-level language. | |
| | 10.The （ ） has several major components, including the system kernel, a memory management system, the file system manager, device drivers, and the system libraries. | |
| | 11.( ) is not the basic hardware component of computers. | |
| | 12.The two goals of an operation system are （ ） and efficiency. | |
| | 13.( ) refers to the parts of the computer that you can see and touch. | |
| | 14.As an operating system repeatedly allocates and frees storage space , many physically separated unused areas appear. This phenomenon is called （ ） . | |
| | 15.Every valid character in a computer that uses even （ ） must always have an even number or 1 bits. | |
| | 16.（ ） is the foundation on which applications are built. | |
| | 17.The most important program on any computer is ( ). | |
| | 18.The（ ）is a collection of modules serving as interface between hardware and software to provide a software platform. | |
| | 19.（ ）：The process of identifying and correcting errors in a program. | |
| | 20.( ) is a fast and powerful operating system, based on the UNIX O.S. | |
| 1.Viewing the operating system as a resource manager, each manager must do the following:( ). | |
| | 2.The most existing compilers involve several major components. They are scanner, optimize,( ). | |
| | 3.The scanner has several roles:( ). | |
| | 4.We divided parser into two classes:( ). | |
| | 5.There are three stages of error processing:( ). | |
| | 6.A job may be divided into three steps: ( ). | |
| | 7.The function of computer hardware is typically divided into three main categories.They are ( ). | |
| | 8.Optimization techniques which are performed at the object program level are applicable to machine language. The main methods used are:( ). | |
| | 9.The end equipment in a communication system includes ( ). | |
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