Multiple choice
-
What are the signs of the formation of modern operating systems?
A. The formation of interrupt handlers
B. The realization of offline I/O
C. The appearance of channels and interrupts
D. Appearance of device drivers -
Among different types of operating systems, which ones have the highest requirements for response time?
A. Real-time operating system
B. General operating system
C. Batch processing operating system
D. Time-sharing operating system
Multiple choice
- In a single processor, which of the following parallel and discovery phenomena may occur?
A. Concurrency between user programs and user programs
B. Parallel between equipment
C. Parallel between processor and device
D. Parallel between user program and user program
Concurrent: [] only while the macro
① between the user program and the user program
② between the user program and the system programs
in parallel: [time point requirements while micro]
between the device and the procedure ①
between the device and the device ②
③ Between treatment meter and equipment
Fill in the blank
- Do you think that when you use the Windows operating system on your computer, you are writing a Word document while listening to music. These two things are parallel or concurrent, please fill in:Concurrent 。
Subjective questions
- What are the characteristics of operating systems such as Windows, Mac OS, UNIX, Linux, and Android, and in which hardware environments are they suitable for use?
Please condense the language yourself. Take Windows as an example. The
main features of Windows are:
1. At first it was a desktop environment under MS-DOS, and there are multiple versions with different digits;
2. Collaborative multitasking allows users to perform multiple tasks at the same time. A graphics application;
3. Software virtual memory solution based on memory segmentation, which can run applications larger than physical memory (code segments and resources can be exchanged when memory is insufficient)
Windows is suitable for personal computers (PC), mobile devices, servers (Server Version) and embedded devices.