English Listening Article: Detailed Explanation of How Computers and Operating Systems Work
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Tip: This site supports text-selection search. Just highlight any word.Learning English requires not only mastering grammar and vocabulary but also being able to use it naturally in real-life situations. However, textbook sentences are often too formal and differ from how people actually speak. To speak authentic, natural English, one needs exposure to real conversational contexts. Here, we provide frequently used English expressions covering social, work, and travel situations to help you move beyond "textbook English" and learn the expressions that native speakers really use. Below is this issue’s content of "Computer English: How Does a Computer Work?" Keep practicing, and let your English get closer to real life!
Chapter 4. How does a computer work? Dialogue 1. Mark, your computer has just turned off all by itself. Actually, it's not working to other server mode. Energy server mode. What's that? The processor hasn't received any input for a certain period of time. It's just off the monitor. All you have to do to turn it on again is move the mouse or hit a key on the keyboard.Dialogue 2. So, we've decided to get a laptop computer. That's right. It's more expensive and harder to fix, but on the road, it helps so much. I have to have something I can check with you.
Dialogue 3. Did you get your new laptop yet? No. I've done some shopping but it's hard to decide. Why is that? Well, I found one that I like quite a bit. It has a 15 inch screen with good resolution, but it doesn't have a built-in CD-ROM. The other has a floppy drive and CD-ROM, but the screen is smaller and it's just too heavy. I guess you can't have the best of both worlds. I guess not.
Dialogue 4. I like storing my pictures on disk because it gives me lots of options. First of all, it provides a safe, compact place to store them. Second, I can do lots of fun things with them using the image editing software I have. And with anything else? Well, if I want to, I can print them out later. I can also use the computer to present them as a slideshow for my friends.
Passage. A computer is controlled by a stored program. The first step in using the machine is copying the program from disk into memory. Now, the processor can begin executing instructions. Input data from the keyboard are stored in memory. The processor manipulates the data, storing the results back into memory. Finally, the results are output. Memory's content is easy to change. Thus, when one set of data has been processed, the program can be repeated, reading and processing new data and generating new output.
If the data can be changed, why not the program? When one program is finished, a new one can take its place in memory. A computer can process completely different data under different programs. One minute, it can generate paychecks from payroll data. The next minute, it can prepare bills from invoices. Later, it can produce charts from statistical data, or even regulate the position of an imaginary spaceship on a display screen using a joystick.
The physical components of a computer — the processor, memory, input devices, and output devices — are its hardware. You can see them, touch them, and feel them. Programs and data are different, existing only as electronic pulses stored in memory. Software is a general term for programs. The hardware-software interface is crucial: application programs provide user functions like playing a game, writing a paper, or generating paychecks. System software works behind the scenes, with the operating system serving as an interface bridging hardware and application software.
The operating system performs many supporting functions. For example, suppose an application program is stored on a disk. Before the program can be executed, it must first be copied into the main memory, since all programs must be in memory to run. This copying process involves considerable logic. Thus, if an application program is to be loaded, there must be another program already in memory to manage the loading process. That program is the operating system.
Chapter 5. Windows Dialogue 1. Your desktop looks different from how it used to look. Yeah, I just installed Windows 19. It has a few new features that make it look different.
Dialogue 2. I didn't know Windows 2000 was already on the market. Yeah, this is the beta version, but it works pretty well. I think I'll wait for the real thing to come out.
Dialogue 3. I think my computer is slowing me down at work. Why is that? I spent all morning setting its wallpaper, screen saver, sound files, and icons just the way I like them. When I got done, there wasn't time to do anything else.
Dialogue 4. Do you have something against Microsoft? I guess not against them, but not for them either. Actually, Microsoft has done some very good things for the computer industry. I would just like to see them have some competition. Windows works all right, but it could still use improvement. That probably won't happen without competition.
Passage. Windows is an extension of DOS. By utilizing Windows, you expand all the features of DOS. Windows allows you to execute multiple programs simultaneously, quickly changing from one application to another, and to integrate multiple packages, exploiting the best features of each. Many users are already sold on its tremendous flexibility. Windows lays the foundation for future PC operating systems. Written in C language, Windows allows many programmers to interface applications with it, leading to many more integrated programs in the future.
Another goal of Windows is to relieve users from the burden of memorizing DOS commands. Instead of typing commands, users interact with pull-down menus, dialog boxes, and icons. Windows supports a mouse interface, making it easy for novices to use and reducing training time. In addition, Windows allows multitasking: a time-sharing system where several programs run at the same time. Windows also functions as a desktop system, providing tools such as a notepad, calculator, and calendar.
As Windows runs multiple programs, each window appears as a distinct region on the screen, letting users work with several applications simultaneously. Windows manages this by time-sharing the CPU. Each program is executed when the CPU retrieves its instructions from memory. Due to the tremendous speed of modern computers, the CPU often spends most of its time idle, waiting for users to input characters from the keyboard. This efficiency makes multitasking practical and responsive.
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- character
- compact
noun
1. a small cosmetics case with a mirror
to be carried in a woman's purseSynonym: powder compact
2. a small and economical car
Synonym: compact car
3. a signed written agreement between two or more parties (nations) to perform some action
Synonym: covenantconcordat
- distinct
adj
1. clearly or sharply defined to the mind
e.g. clear-cut evidence of tampering
Claudius was the first to invade Britain with distinct...intentions of conquest
trenchant distinctions between right and wrongSynonym: clear-cuttrenchant
2. recognizable
markede.g. noticed a distinct improvement
at a distinct (or decided) disadvantageSynonym: decided
3. easy to perceive
especially clearly outlinede.g. a distinct flavor
a distinct odor of turpentine
a distinct outline
the ship appeared as a distinct silhouette
distinct fingerprints4. (often followed by `from') not alike
different in nature or qualitye.g. plants of several distinct types
the word `nationalism' is used in at least two distinct senses
gold is distinct from iron
a tree related to but quite distinct from the European beech
management had interests quite distinct from those of their employeesSynonym: distinguishable
5. constituting a separate entity or part
e.g. a government with three discrete divisions
on two distinct occasionsSynonym: discrete
- integrate
verb
1. make into a whole or make part of a whole
e.g. She incorporated his suggestions into her proposal
Synonym: incorporate
2. become one
become integratede.g. The students at this school integrate immediately, despite their different backgrounds
3. calculate the integral of
calculate by integration4. open (a place) to members of all races and ethnic groups
e.g. This school is completely desegregated
Synonym: desegregatemix
- manipulate
verb
1. treat manually, as with massage, for therapeutic purposed
2. hold something in one's hands and move it
3. control (others or oneself) or influence skillfully, usually to one's advantage
e.g. She manipulates her boss
She is a very controlling mother and doesn't let her children grow up
The teacher knew how to keep the class in line
she keeps in lineSynonym: keep in linecontrol
4. manipulate in a fraudulent manner
e.g. rig prices
Synonym: rig
5. influence or control shrewdly or deviously
e.g. He manipulated public opinion in his favor
Synonym: pull stringspull wires
6. tamper, with the purpose of deception
e.g. Fudge the figures
cook the books
falsify the dataSynonym: fudgefakefalsifycookwanglemisrepresent
- application
noun
1. the action of putting something into operation
e.g. the application of maximum thrust
massage has far-reaching medical applications
the application of indexes to tables of data2. a diligent effort
e.g. it is a job requiring serious application
Synonym: diligence
3. the work of applying something
e.g. the doctor prescribed a topical application of iodine
a complete bleach requires several applications
the surface was ready for a coating of paintSynonym: coatingcovering
4. the act of bringing something to bear
using it for a particular purposee.g. he advocated the application of statistics to the problem
a novel application of electronics to medical diagnosisSynonym: practical application
5. liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin
e.g. a lotion for dry skin
Synonym: lotion
6. a verbal or written request for assistance or employment or admission to a school
e.g. December 31 is the deadline for applications
7. a program that gives a computer instructions that provide the user with tools to accomplish a task
e.g. he has tried several different word processing applications
Synonym: application programapplications programme
- collection
noun
1. the act of gathering something together
Synonym: collectingassemblingaggregation
2. request for a sum of money
e.g. an appeal to raise money for starving children
Synonym: solicitationappealingathering
3. a publication containing a variety of works
Synonym: compendium
4. several things grouped together or considered as a whole
Synonym: aggregationaccumulationassemblage
- hardware
noun
1. (computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
Synonym: computer hardware
2. major items of military weaponry (as tanks or missile)
3. instrumentalities (tools or implements) made of metal
Synonym: ironware
- interface
noun
1. (chemistry) a surface forming a common boundary between two things (two objects or liquids or chemical phases)
2. (computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
Synonym: port
3. the overlap where two theories or phenomena affect each other or have links with each other
e.g. the interface between chemistry and biology
4. (computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system
Synonym: user interface
- logic
noun
1. reasoned and reasonable judgment
e.g. it made a certain kind of logic
2. a system of reasoning
Synonym: logical systemsystem of logic
3. the principles that guide reasoning within a given field or situation
e.g. economic logic requires it
by the logic of war4. the system of operations performed by a computer that underlies the machine's representation of logical operations
5. the branch of philosophy that analyzes inference
- resolution
noun
1. finding a solution to a problem
Synonym: solving
2. a decision to do something or to behave in a certain manner
e.g. he always wrote down his New Year's resolutions
3. the trait of being resolute
e.g. his resoluteness carried him through the battle
it was his unshakeable resolution to finish the workSynonym: resolutenessfirmnessfirmness of purposeresolve
4. analysis into clear-cut components
Synonym: resolving
5. something settled or resolved
the outcome of decision makinge.g. they finally reached a settlement with the union
they never did achieve a final resolution of their differences
he needed to grieve before he could achieve a sense of closureSynonym: settlementclosure
6. a formal expression by a meeting
agreed to by a voteSynonym: declarationresolve
7. a statement that solves a problem or explains how to solve the problem
e.g. they were trying to find a peaceful solution
the answers were in the back of the book
he computed the result to four decimal placesSynonym: solutionanswerresultsolvent
8. (music) a dissonant chord is followed by a consonant chord
9. the subsidence of swelling or other signs of inflammation (especially in a lung)
10. the ability of a microscope or telescope to measure the angular separation of images that are close together
Synonym: resolving power
11. (computer science) the number of pixels per square inch on a computer-generated display
the greater the resolution, the better the picture - processor
noun
1. (computer science) the part of a computer (a microprocessor chip) that does most of the data processing
e.g. the CPU and the memory form the central part of a computer to which the peripherals are attached
Synonym: central processing unitCPUC.P.U.central processormainframe
2. a business engaged in processing agricultural products and preparing them for market
3. someone who processes things (foods or photographs or applicants etc.)
- novice
noun
1. someone new to a field or activity
Synonym: beginnertyrotiroinitiate
2. someone who has entered a religious order but has not taken final vows
Synonym: novitiate
- simultaneously
adv
1. at the same instant
e.g. they spoke simultaneously
Synonym: at the same time
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