经典的恐龙书的答案
operating system concept
Introduction
Practice Exercises
1.1 The three main puropses are:
• To provide an environment for a computer user to execute programs
on computer hardware in a convenient and efficient manner.
• To allocate the separate resources of the computer as needed to
solve the problem given. The allocation process should be as fair
and efficient as possible.
• As a control program it serves two major functions: (1) supervision
of the execution of user programs to prevent errors and improper use
of the computer, and (2) management of the operation and control
of I/O devices.
2019-12-21 22:13:11
552KB
1