[操作系统概念]Operating System Concepts 7th

Preface - 前言(9 pages)

Reading started at 2019/03/06 19:00

essential : absolutely necessary

prevalent : widespread in a particular area or at a particular time.

virtually : almost

undergoing : the present participle of word undergo(experience or be subjected to (something, typically something unpleasant, painful, or arduous) like the phrase suffer from)

practitioner : skilled people in some special area

underlie : be the cause or basis of (something).

prerequisites : a thing that is required as a prior condition for something else to happen or exist.

predominantly : mainly; for the most part

intuitive : using or based on what one feels to be true even without conscious reasoning

omit : leave out or exclude (someone or something), either intentionally or forgetfully

exclude : deny (someone) access to or bar (someone) from a place, group, or privilege

bibliographical : [ˌbiblēəˈɡrafik] relating to bibliography

bibliography : references materials including books and other stuff

pertain : be appropriate, related, or applicable like an accessory

explicitly : in a clear and detailed manner

Time consumption for the first page : 19:01 - 19:24

The first chapter includes 36 pages in all, and I hope I can finish reading this 9 + 36 pages tonight, I may change the method to not try to find out each strange word's meaning which takes a lot of time, but only stop to look for explaining when I can not go through or can not understand at all.

page2 :

correspond : answering

sequentially : by forming or following a logical order or sequence.

thorough : [ˈTHərō]performed or written with great care and completeness.

in nature : (to explain) the basic rules of something

concurrency : n .existing, happening, or done at the same time

concurrently : at the same time; simultaneously.

utilization : the action of making practical and effective use of something

scheme : [skēm]a plan, ------a large-scale systematic plan or arrangement for attaining some particular object or putting a particular idea into effect.

Page2 finished : 19:45

Page3 start:

mechanism : a system of parts working together in a machine

I/O system are also the slowest major components of the computer Because they are a performance bottleneck(The first time I got to learn where "瓶颈" come from)

tertiary : [tərSHərē]third in order or level.

malicious : characterized by malice; intending or intended to do harm.

malice : bad temptation

dispersed : [dəˈspərs] distribute or spread over a wide area.

synchronization : [ˌsiNGkrənəˈzāSH(ə)n] he operation or activity of two or more things at the same time or rate.

appendices : plural forms of word ap·pen·dix : a section or table of additional matter at the end of a book or document.

page 3 ends at 20 : 11

drastically : [ˈdrastəklē] extremely; very.

illustrate : [ˈiləˌstrāt] explain or make (something) clear by using examples, charts, pictures, etc..

coverage : [ˈkəv(ə)rij] the extent to which something deals with or applies to something else.

extent : the area covered by something.

peripheral : [pəˈrif(ə)rəl] relating to or situated on the edge or periphery of something.

page4 ends at 20:27

contrast v.differ a lot

demostrate : give a practical exhibition and explanation of

embed : fix (an object) firmly and deeply in a surrounding mass. such as embed systems

substantially : adv to a great or significant extent.for the most part; essentially.

enhanced past tense and psat participle of the word enhance : ncrease, or further improve the quality

affinity : [ə'fɪnəti] close relationship

overlay : v.cover the surface of (something) with a coating.

process synchronization :the operation or activity of two or more things at the same time or rate.

segmentation : division into separate parts or sections.

buddy : a close friend.

slab : a large, thick, flat piece of stone, concrete, or wood, typically rectangular.

overhaul : n.a thorough examination of machinery or a system, with repairs or changes made if necessary.

exploit : [exploit] v. make full use of and derive benefit from (a resource).

buffer : Memory buffer register, the connection between processor and memory

encryption :

Encryption

In cryptography, encryption is the process of encoding messages or information in such a way that only authorized parties can read it.

stringent : (of regulations, requirements, or conditions) strict, precise, and exacting.

The Programming Exercise and Projects

We have added 12 new programming exercises that emphasize processes, threads, shared memory, process synchronization, and networking.In addition, we have added several programming projects which are more involved than standard programming exercises.These projects include adding a system call to the linux kernel, creating a UNIX shell using the fork() system call, a multithreaded matrix application, and the producer-consumer problem useing shared memory

supplements : [supplement] something that completes or enhances something else when added to it.

rep·re·sen·ta·tive: typical of a class, group, or body of opinion.

ar·chive : [ˈärˌkīv] a collection of historical documents or records providing information about a place, institution, or group of people.

obscure : not discovered or known about; uncertain.

omission : someone or something that has been left out or excluded.

exclude : deny (someone) access to or bar (someone) from a place, group, or privilege.

acquisition : an asset or object bought or obtained, typically by a library or museum.

Finished Preface reading at 21:56 as I started at 19:01, It took me 2 hours and 55mins to finsh reading and take all note above,

Due to the wrong touch of the keyboard, some notes has lost and could not find back,Go ahead!

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[操作系统概念]Operating System Concepts 7th - Preface

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