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从供选择的答案中选出应填入下面一段英文中______内的正确答案。 Programming is a （1) that has variou

从供选择的答案中选出应填入下面一段英文中______内的正确答案。

Programming is a(1)that has various engineering and(2)aspects. Although most of aspects are interrelated, each of them covers a number of(3)and goals. which are very specific. The progress being made in teaching(4)is reflected by the fact that most(5)science curricula contain a broad spectrum of programming courses, each emphasizing a different aspect of programming.

侠选择的答案：

(1) notation (2) physical (3) function (4) discipline (5) philosophy

(6) software engineering (7) charactenstics (8) mathematical (9) progranun/ng

(10) program (11) method (12) computer

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更多“从供选择的答案中选出应填入下面一段英文中______内的正确…”相关的问题

第1题

从供选择的答案中选出应填入下面一段英文中______内的正确答案。 A light-emitting diode （LED) is a semic

从供选择的答案中选出应填入下面一段英文中______内的正确答案。

A light-emitting diode (LED) is a semiconductor(1)that emits visible light when an electric current passes throughit.The light is not particularly(2), but in most LEDs it is monochromatic, occurring at a single(3). The output from an LED can range from red (at a wavelength of approximately 700 nanometers) to blue-violet (about 400 nanometers). Some LEDs(4)infrared (IR) energy (830 nanometers or longer); such a device is known as an infrared-emitting diode (IRED).

An LED or IRED(5)of two elements of processed material called P-type semiconductors and N-type semiconductors. These two elements are(6)in direct contact, forming a region called the P-N junction. In this respect, the LED or IRED(7)most other diode types, but there are important(8). The LED or IRED has a transparent package, allowing(9)or IR energy to pass through. Also, the LED or IRED has a large PN-junction area whose(10)is tailored to the application.

供选择的答案：

1．wavelength 2．shape 3．emit 4．device 5．resembles

6．bright 7．visible 8．consists 9．differences 10．placed

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第2题

从供选择的答案中选出应填入下面一段英文中______内的正确答案。 Video RAM means in general all forms of

从供选择的答案中选出应填入下面一段英文中______内的正确答案。

Video RAM means in general all forms of RAM used to(1). image data for the video display monitor. Somewhat confusingly, the most common(2)of video RAM is called Video RAM (VRAM). All types of video RAM are special(3)of dynamic RAM (DRAM). Video RAM is really a buffer(4)the processor and the display monitor and is often called the frame buffer. When(5)are to be sent to the display, they are first read by the processor as data from some form of main storage RAM and then(6)to video RAM. From video RAM (the frame buffer), the data is converted by a RAM digital-to-analog converter (RAMDAC) into analog(7)that are sent to the display presentation mechanism such as a cathode ray tube (CRT). Usually, video RAM comes in a 1 or 2 megabyte package and is(8)on the video or graphics card in the computer. Most forms of video RAM are dual-ported. While the processor is writing a new image to video RAM, the display is reading from video to(9)its current display content. The dual-port design is the main(10)between main storage RAM and video RAM.

供选择的答案：

1．difference 2．located 3．images 4．store 5．between

6．type 7．written 8．refresh 9．arrangements 10．signals

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第3题

从供选择的答案中选出应填入下面一段英文中______内的正确答案。 Each page element （division or section,

从供选择的答案中选出应填入下面一段英文中______内的正确答案。

Each page element (division or section, heading, paragraph, image, list, and so forth) is(1)viewed as an "object." (Microsoft calls this the "Dynamic HTML Object Model." Netscape calls it the "HTML Object Model." W3C calls it the "Document Object Model.") For example, each(2)heading on a page can be named, given attributes of text style and color, and addressed by(3)name in a small program or "script" included on the page. This heading or any other element on the page can be changed as the result of a(4)specified event such as mouse passing over or being(5)clicked or a time elapsing. Or an image can be moved from one place to another by "dragging and dropping" the image(6)object with the mouse. These event possibilities can be viewed as the(7)reaction capabilities ofthe element or object. Any change takes place immediately since all variations of all(8)elements or objects have been sent as part of the same page from the Web server that sent the page. Thus, variations can be thought ofas different(9)properties ofthe object.

Not only can element variations change text wording or color but also everything contained within a heading object can be(10)replaced with new content that includes different or additional HTML as well as different text. Microsoft calls this the "Text Range technology."

供选择的答案：

1．reaction 2．specified 3．elements 4．name 5．clicked

6．viewed 7．object 8．heading 9．replaced 10．properties

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第4题

选出应填入下面一段英语中______内的正确答案。 Although the bulk ofindustry resources and energies hav

选出应填入下面一段英语中______内的正确答案。

Although the bulk ofindustry resources and energies have focused on developing the fastest(1)or slickest(2), more and more mindshare is turning to the evolution of the computer interface. Advancements in the areas ofinput device,(3)processing and virtual reality could lead to fundamental changes in the way human and computer interact. The technological battlefield of the future will be adding layers between the user and the raw machine to make the(4)as invisible as possible.(5)represents the next evolutionary step for the interface.

供选择的答案：

(1) voice (2) microprocessor (3) GUI (4) workstation

(5) application software (6) operating system

(7) interface (8) DBMS (9) virtual reality (10) eye-tracking device

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第5题

选出应填入下面一段英语中______内的正确答案。 Since the time of John von Neumann, the basic conceptua

选出应填入下面一段英语中______内的正确答案。

Since the time of John von Neumann, the basic conceptual model used to think about computers and programs has(1)unchanged, in(2)of many advances in both hardware and software technology. In the(3)that von Neumann proposed, the basic instruction cycle is for the processor to fetch the instruction pointed at by the program counter,(4)the program counter, and then execute the instruction. Because instructions are executed strictly sequentially, there is little inherent parallelism, and(5)opportunity to employ large numbers of processors to gain speed.

供选择的答案：

(1) small (2) big (3) add (4) little (5) model

(6) remained (7) style (8) increase (9) stead (10) spite

(11) already (12) period (13) formula (14) decrease (15) not

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第6题

从供选择的答案中，选出应填入下面叙述中______内的最确切的解答。 Soon, more of the information we recel

从供选择的答案中，选出应填入下面叙述中______内的最确切的解答。

Soon, more of the information we recelve via the internet could come(1)in digital wrappers.

Wrappers are made up(2)software code that's targeted to do specific things with the data(3)within them, such as helping to define queries for search engines. They also keep(4)from(5)access to that code.

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第7题

选出应填入下面一段英语中______内的正确答案。 Asynchronous Transfer Mode （ATM)is a （1) that promi

选出应填入下面一段英语中______内的正确答案。

Asynchronous Transfer Mode (ATM)is a(1)that promises to change the fabric of local and wide area communications.

The key advantage of ATM is the capability to move voice, data, graphics and(2)at speeds ofup to 2 gigabits per second.

At ATM switch allows you to create a(3)network that is completely independent from the(4)configuration ofthe network.

ATM uses a(5)called cell switching to convert data into fixed length cells of 53 bytes each, so they can be switched very quickly and efficiently.

供选择的答案：

(1) technology (2) techniques (3) technique (4) method

(5) methods (6) logical (7) local (8) wide

(9) physical (10) program (11) characters (12) video images

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第8题

选出应填入下面一段英语中______内的正确答案。 Future Computer Trends: The components of a PC will be

选出应填入下面一段英语中______内的正确答案。

Future Computer Trends:

The components of a PC will be built into the(1)and large plasma or electroluminesent flat panel display hanging on a partition wall act as both a(2)and videophone display.

A high resolution, touch sensitive LCD(3)into desktop will allow pen-based pointing and data input. In the home, meanwhile, computers will become as ubiquitous as TVs.

Computer interfaces will be far friendlier than(4)graphical user interfaces (GUI) of today. Computer will use "human interfaces" based on multimedia.

RISC microprocessors will finally obliterate the ever thinning gap between workstations and PCs. Similar advances in nonvolatile flash memory will lead to the replacement of magnetic(5)disks with electronic "silicon disks".

供选择的答案：

(1) build (2) monitor (3) desk (4) built

(5) mouse-drive (6) keyboard (7) touch-sensitive (8) soft

(9) hard (10) optical

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第9题

选出应填入下面一段英语中______内的正确答案。 During the past years, intelligent technology has evolv

选出应填入下面一段英语中______内的正确答案。

During the past years, intelligent technology has evolved(1)three generations. The first was characterized by tools such as Prolog and OPS. Prolog is a simple backward-chaining environment, and OPS is a simple forward-chaining environment.

This led to the second generation of knowledge-engineering environments. Its goal was to model, prototype and construct(2)systems.

All three generations were oriented toward generic(3)and represented generalized implementation environments for the construction of expert system, knowledge based and AI applications.

Some of the solution-oriented products are also seamlessly integrated with generic knowledge-engineering enviroments, permitting users to add(4)rules and objects, as well as predefined knowledge-base logic to address problems in manufacturing simulation.

Marketplace orientation is rapidly(5)toward solution-oriented intelligent product environments. The fourth generation represents a new line of thinking and development by commercial firms will reduce the cost, risk and development time associated with problem solving.

供选择的答案：

(1) software (2) custom (3) control (4) having

(5) shifting (6) search (7) database (8) knowledge

(9) after (10) through (11) problem solving (12) by

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