FSU COP 4610, CGS5765 Homework 1 - Principles of Operating Systems - Prof. An-I A. Wang, Assignments of Operating Systems

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FSU COP 4610, CGS5765 (Fall 2005)

Principles of Operating Systems

Homework 1 (Due 9/9/2005)

Instructor

Andy Wang ([email protected])

Office: 264 Love Building

Office Hours: M1:30-2:30pm, F2:30pm-3:30pm, and by appointment

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1. Please submit a recent photo (e.g., a Xerox copy of your face) and tell me something interesting about you. (5pts)
2. For the design of an operating system, what are some advantages and disadvantages of hiding the underlying complexity of hardware? (1pt)
3. Is it always a good idea to improve the performance of an operating system? Why or why not? (1pt)
4. Find a creative/funny analogy to distinguish between a process and a program. (1pt)
5. Find another creative/funny analogy to distinguish between a process and a program. (1pt)
6. What is the difference between a single process with three threads, and three processes, each with its own thread? (1pt)
7. Bonus: research and complete the following table. Please cite your sources (5pts) 1980 2005 Factor Speed CPU 1 MIPS Memory 500 ns Disk 18 ms Modem 300 bits/second Capacity Memory 64 Kbytes Disk 1 Mbytes Cost Per MIP $100K Per MB (RAM) Per MB (disk) Other Address bits 8 Users/machine 10s