System Software：练习题

An Operating System (OS) manages various hardware resources and provides a user interface. Which of the following is a task specifically performed during process management?

Which of the following is a specific benefit to a developer of using Dynamic Link Library (DLL) files when creating software?

Modern Integrated Development Environments (IDEs) provide several debugging features. Which feature allows a developer to execute a program one line at a time and examine the effect on variables in a report window?

Which of the following describes a primary role of security management within an Operating System?

An Operating System manages several tasks to ensure the computer functions efficiently. Which of the following is a task specifically related to Memory Management?

Identify the utility software that is used to prepare a storage medium, such as a hard disk or flash drive, for its initial use by creating a file system.

Explain one advantage for a developer when using Dynamic Link Library (DLL) files rather than static linking during software development.

A developer is choosing between using a static library and a Dynamic Link Library (DLL) for their new application.
Explain two benefits of using a DLL during the execution of the software, and describe how the use of a disk defragmenter utility might subsequently improve the loading speed of these library files from a hard disk drive.

An Operating System (OS) includes various utility programs to help maintain the system. One such utility is defragmentation software.

(a) Describe how defragmentation software reorganizes the data on a magnetic hard disk. [2]

(b) Explain one reason why the performance of the computer system is improved after the defragmentation process is complete. [1]

(c) State the name of one other utility program and describe its purpose. [2]

An Operating System (OS) is responsible for several key management tasks to ensure the computer system functions effectively.

(a) Explain the purpose of memory management in a multi-programming environment. [3]

(b) A developer is considering using a Dynamic Link Library (DLL) during the development of a new software application. Describe two benefits to the developer of using DLL files. [4]