Exercise: 1. Mac OS X Snow Leopard(by Apple Inc.) Used on personal computers. Solaris(by Sun Microsystems) Used on Systems manufactured by all major server vendors Ubuntu(sponsored by Canonical Ltd., owned by Mark Shuttleworth) Linux based personal comput
6. List three benefits of data redundancy as described in this chapter.
1. With data redundancy the File Manager can allow a process to read the copy thats closest or
easiest to access making files much faster and easier to read.
2. Using data redundancy
4. Given that main memory is composed of three page frames for public use and that a seven-page program
(with pages a, b, c, d, e, f, g) requests pages in the following order: a, b, a, c, d, a, e, f, g, c, b, g
a. Using the FIFO page removal algorithm, do
Chapter 1 _ 1. All of the following are major hardware components of a typical computer system except _. a. Main Memory b. CPU c. Operating System d. secondary storage 2. Application software are programs that _. a. manage the computers hardware devices b
4. A job running in a system, with variable time quantums per queue, needs 30 milliseconds
to run to completion. If the first queue has a time quantum of 5 milliseconds and each
queue thereafter has a time quantum that is twice as large as the previous on
Augusta Ada Byron is regarded as the worlds first programmer for her work on Charles Babbages
Analytical Engine in the 1830s.
The first-fit algorithm assumes that the Memory Manager keeps only one list containing free memory blocks.
Chapter 1 Exercises
1. Name five current operating systems and the computers or configurations each operates.
US FAA systems
3. Explain the
Chapter 4: Processor Management TRUE/FALSE 1. A p-rocess is an inactive unit, such as a file stored on a disk.
2. A program is an active entity that requires a set of resources, including a processor and special registers, to perform its function. 3. The
8. Compare and contrast multiprocessing and concurrent processing. Describe the role of process
synchronization for both systems.
Both forms of processing appear to handle multiple tasks at once but in multiprocessing a number of processors
work on a sing
11. Discuss at least three advantages of a hard-wired LAN compared to a wireless LAN and
describe one situation where the wired LAN would be preferred.
1. connecting various sites in a system are less expensive in a wired environment.
4. Given the following characteristics for a disk pack with 10 platters yielding 18
Rotational Speed = 10 ms
Transfer Rate = 0.1 ms/track
Density per Track = 19,000 bytes
Number of Records Stored = 200,000 records
Size of Record = 160
SG Network Media
1. There are two basic categories of physical cabling used in Ethernet networks. They are copper wire
and fiber optic. T
2. The length of cable between the wall jack and a patch panel is called vertical cabling. F
1. Explain the fundamental differences between internal fragmentation and external
fragmentation. For each of the four memory management systems explained in this chapter
(single user, fixed, dynamic, and re-locatable dynamic), identify which one causes e
SG Server Management and Administration
1. Group accounts make it easier for an administrator to manage user rights and permissions. TRUE
2. In Linux, every user that is created automatically belongs to a default group named Users. FA
SG Troubleshooting and Support
1. If a problem occurs after a successful login, Last Known Good Configuration will fix the issue.
2. A protocol analyzer, such as Wireshark, gives the ability to listen in on network traffic as i
2. Give at least two real life examples (not related to a computer system environment) of each of these
concepts: deadlock, starvation, and race. Describe how the deadlocks can be resolved.
A perfect example of Deadlock is when a game of chess ends in a s
5. Imagine one real-life example of each: a multi-file volume and a multi-volume file.
Include a description of the media used for storage and a general description of the data in
A good example of a multi-file volume would be the music CD in my
Chapter 10: Management of Network Functions
1. Networks were created initially to share data. F
2. The network operating system handles the interfacing details and coordinates the remote processing. T
3. In a typical NOS environment, a user who
Chapter 7: Device Management
1. The universal serial bus (USB) controller acts as an interface between the operating system, device
drivers, and applications and the devices that are attached via the USB host. T
2. On a magnetic tape, the inter
Chapter 10: Management of Network Functions
1. Networks were created initially to share data.
2. The network operating system handles the interfacing details and coordinates the remote processing.
3. In a typical NOS environment, a user who wan
Chapter 15: Windows Operating Systems
1. The first Windows application was not a true operating system. T
2. Windows XP was the last Windows operating system built on the Windows 95 code. F
3. In 1999, Microsoft changed the operating systems na
SG Network Topologies and Technologies
1. A networks physical topology refers to the arrangement of the cabling and how the devices connect to
each other. T
2. The physical bus topology is no longer used because it required extra cabl
SG Network Reference Models and Standards
1. The Transport layer is the same in both the OSI model and the TCP/IP model. T
2. The Physical layer has been divided into two sublayers, called the LLC sublayer and the MAC sublay er. F
Chapter 16: Linux Operating System
1. Linux was based on a version of UNIX but capitalized on the lessons learned over the previous twenty
years of UNIX development. T
2. Linux was developed by Dennis Ritchie, who wanted to create an operating
Chapter 11: Security and Ethics
1. Any vulnerability at the operating system level opens the entire system to attack. T
2. Intrusion detection is an example of a strategy for improving system survivability based on knowledge
gained from intrusi
Chapter 4: Processor Management
1. A process is an inactive unit, such as a file stored on a disk. F
2. A program is an active entity that requires a set of resources, including a processor and special re gisters, to perform its function. F
Chapter 12: System Management
1. Most operating systems were designed to work with a certain piece of hardware, a category of pro cessors, or specific groups of users. T
2. The performance of each system resource is independent of any other res
Chapter 1: Introducing Operating Systems
1. The operating system manages each and every piece of hardware and software. TRUE
2. An operating system is a special type of hardware. FALSE
3. The Memory Manager, the Interface Manager, the User Mana
Chapter 8: File Management
1. The File Manager is in charge of the systems physical components, its information resources, and the
policies used to store and distribute the files. T
2. The computer system defines a file by activating the approp
Chapter 6: Concurrent Processes
1. Parallel processing is a situation in which two or more processors operate in unison. T
2. In multiprocessing systems, the Processor Manager has to coordinate the activity of each processor, as
well as synchro