Иностранный язык (английский) – страница 33
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Alice: What will you do at your laboratory class tomorrow?
Dima: I expect I will do 1_______ with new substances. 2_______?
Alice: I think I’ll study 3_______.
Dima: Are you interested in computer systems?
Alice: Yes, I am.
Dima: Will you explain some computer concepts to me then?
Alice: 4_______!
Alice: What will you do at your laboratory class tomorrow?
Dima: I expect I will do 1_______ with new substances. 2_______?
Alice: I think I’ll study 3_______.
Dima: Are you interested in computer systems?
Alice: Yes, I am.
Dima: Will you explain some computer concepts to me then?
Alice: 4_______!
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If you are using Paintbrush and the printed image is much smaller than you expected, 1_______:
1. From the File menu in Paintbrush, choose Print. Make sure the Use Printer Resolution check box is cleared in 2_______. Also, 3_______. If a small scaling factor is specified, the printer output is small.
2. From the View menu, 4_______ to see how the image appears on the page. You may need to adjust the position.
If you are using Paintbrush and the printed image is much smaller than you expected, 1_______:
1. From the File menu in Paintbrush, choose Print. Make sure the Use Printer Resolution check box is cleared in 2_______. Also, 3_______. If a small scaling factor is specified, the printer output is small.
2. From the View menu, 4_______ to see how the image appears on the page. You may need to adjust the position.
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What format is good for photographs?
You can save an image in many different file formats. GIF, for example, is used for animation and is a popular choice for Web pictures, but has fewer colours than other formats. JPEG is good for photographs and downloads quickly from the Web, but it can lose image data when you save it. Apple Macintosh designed PICT for the MacOS, but TIFF is a good cross-platform format that you can use with many operating systems. If you can’t use an image in a DTP program because the program doesn’t let you, you can often export it in EPS format from your imaging program, without losing any picture quality.
What format is good for photographs?
You can save an image in many different file formats. GIF, for example, is used for animation and is a popular choice for Web pictures, but has fewer colours than other formats. JPEG is good for photographs and downloads quickly from the Web, but it can lose image data when you save it. Apple Macintosh designed PICT for the MacOS, but TIFF is a good cross-platform format that you can use with many operating systems. If you can’t use an image in a DTP program because the program doesn’t let you, you can often export it in EPS format from your imaging program, without losing any picture quality.
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1_______. Based on capacity, speed and reliability they can be divided into three categories of computers:
1. The mainframe computers are computers used by large organizations like meteorological surveys and statistical institutes for performing bulk mathematical computations. 2_______.
2. The microcomputers are the most frequently used computers better known by the name of “personal computers”. 3_______.
3. The minicomputers like the mainframe computers are used by business organization. 4_______.
1_______. Based on capacity, speed and reliability they can be divided into three categories of computers:
1. The mainframe computers are computers used by large organizations like meteorological surveys and statistical institutes for performing bulk mathematical computations. 2_______.
2. The microcomputers are the most frequently used computers better known by the name of “personal computers”. 3_______.
3. The minicomputers like the mainframe computers are used by business organization. 4_______.
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Buying and using a modem used to be relatively easy. Not too long ago, almost all modems transferred data at a 1_______ of 2400 Bps (bits per second). Today, modems not only run faster, they are also loaded with features like error control and data compression. So, in addition to converting and interpreting signals, 2_______ also act like traffic cops, monitoring and regulating the flow of 3_______. That way, one computer doesn’t send information until the receiving computer is ready for it. Each of these features, modulation, error control, and data compression, requires a separate kind of 4_______ and that’s what some of those terms you see like V.32, V.32bis, V.42bis and MNP5 refer to.
Buying and using a modem used to be relatively easy. Not too long ago, almost all modems transferred data at a 1_______ of 2400 Bps (bits per second). Today, modems not only run faster, they are also loaded with features like error control and data compression. So, in addition to converting and interpreting signals, 2_______ also act like traffic cops, monitoring and regulating the flow of 3_______. That way, one computer doesn’t send information until the receiving computer is ready for it. Each of these features, modulation, error control, and data compression, requires a separate kind of 4_______ and that’s what some of those terms you see like V.32, V.32bis, V.42bis and MNP5 refer to.
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The people connected to the Internet and World Wide Web through the local providers have access to a variety of information. Each browser provides a graphical interface. You move from place to place, from site to site on the Web by using a mouse to click on a portion of text, icon or region of a map. These items are called hyperlinks or links. Each link you select represents a document, an image, a video clip or an audio file somewhere on the Internet. The user doesn’t need to know where it is, the browser follows the link.
The people connected to the Internet and World Wide Web through the local providers have access to a variety of information. Each browser provides a graphical interface. You move from place to place, from site to site on the Web by using a mouse to click on a portion of text, icon or region of a map. These items are called hyperlinks or links. Each link you select represents a document, an image, a video clip or an audio file somewhere on the Internet. The user doesn’t need to know where it is, the browser follows the link.
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One of the first and largest applications of computers is keeping and managing business and financial records. Most large companies keep the employment records of all their workers in large databases that are managed by computer programs. Similar programs and databases are used in such business functions as billing customers; tracking payments received and payments to be made; and tracking supplies needed and items produced, stored, shipped, and sold. In fact, practically all the information companies need to do business involves the use of computers and information technology.
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Most large companies keep the employment records of all their workers in large databases that are managed by …
One of the first and largest applications of computers is keeping and managing business and financial records. Most large companies keep the employment records of all their workers in large databases that are managed by computer programs. Similar programs and databases are used in such business functions as billing customers; tracking payments received and payments to be made; and tracking supplies needed and items produced, stored, shipped, and sold. In fact, practically all the information companies need to do business involves the use of computers and information technology.
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Most large companies keep the employment records of all their workers in large databases that are managed by …
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If the mouse pointer jumps around rather than moving smoothly, 1_______:
1. There might be a system-hardware interrupt (IRQ) conflict. You need 2_______ so that it isn’t using an IRQ that is being used by another device. For information about changing mouse IRQ settings, 3_______ supplied with your mouse.
2. Your mouse 4_______. For instructions, see the documentation supplied with your mouse.
If the mouse pointer jumps around rather than moving smoothly, 1_______:
1. There might be a system-hardware interrupt (IRQ) conflict. You need 2_______ so that it isn’t using an IRQ that is being used by another device. For information about changing mouse IRQ settings, 3_______ supplied with your mouse.
2. Your mouse 4_______. For instructions, see the documentation supplied with your mouse.
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Internet access companies or Internet Service Providers (ISPs) provide physical connections that allow you to access the Internet. These connections are called “POPs”, which stands for “points of presence”.
Your computer uses a modem to dial into a POP, which connects you to the Internet. Once connected to a POP, you have access to all the resources of the Internet. Most ISPs will also supply you with software available for work in the Internet: a Web browser.
Internet access companies or Internet Service Providers (ISPs) provide physical connections that allow you to access the Internet. These connections are called “POPs”, which stands for “points of presence”.
Your computer uses a modem to dial into a POP, which connects you to the Internet. Once connected to a POP, you have access to all the resources of the Internet. Most ISPs will also supply you with software available for work in the Internet: a Web browser.
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1_______. They are about the size of an office desk and are usually found in banks and offices. 2_______.
Microcomputers, commonly known as micros, are the smallest and least powerful. 3_______. They can handle smaller amounts of information at a time and are slower than minicomputers. They are ideal for use as home computers. 4_______. More powerful microcomputers are gradually being produced; therefore they are becoming the most commonly used type of computers.
1_______. They are about the size of an office desk and are usually found in banks and offices. 2_______.
Microcomputers, commonly known as micros, are the smallest and least powerful. 3_______. They can handle smaller amounts of information at a time and are slower than minicomputers. They are ideal for use as home computers. 4_______. More powerful microcomputers are gradually being produced; therefore they are becoming the most commonly used type of computers.
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In digital television broadcasting, there are three competing standards that are likely to be adopted worldwide. These are the ATSC, DVB and ISDB standards. All three standards use MPEG-2 for video compression. ATSC uses Dolby Digital AC-3 for audio compression, ISDB uses Advanced Audio Coding (MPEG-2 Part 7) and DVB has no standard for audio compression but typically uses MPEG-1 Part 3 Layer 2. The choice of modulation also varies between the schemes.
In digital television broadcasting, there are three competing standards that are likely to be adopted worldwide. These are the ATSC, DVB and ISDB standards. All three standards use MPEG-2 for video compression. ATSC uses Dolby Digital AC-3 for audio compression, ISDB uses Advanced Audio Coding (MPEG-2 Part 7) and DVB has no standard for audio compression but typically uses MPEG-1 Part 3 Layer 2. The choice of modulation also varies between the schemes.
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Until the end of 1995, the conventional wisdom was that 28.8 Kbps was about the fastest 1_______ you could squeeze out of a regular copper telephone line. Today, you can buy a modem capable of a data 2_______ up to 56 Kbps. The key question for you is knowing what speed modems your Internet service provider (ISP) has. If your ISP has only 28.8 Kbps 3_______ on its end of the line, you could have the fastest modem in the world, and only be able to 4_______ at 28.8 Kbps. Before you invest in a 56 Kbps modem, make sure your ISP supports them.
Until the end of 1995, the conventional wisdom was that 28.8 Kbps was about the fastest 1_______ you could squeeze out of a regular copper telephone line. Today, you can buy a modem capable of a data 2_______ up to 56 Kbps. The key question for you is knowing what speed modems your Internet service provider (ISP) has. If your ISP has only 28.8 Kbps 3_______ on its end of the line, you could have the fastest modem in the world, and only be able to 4_______ at 28.8 Kbps. Before you invest in a 56 Kbps modem, make sure your ISP supports them.
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What is system software used for?
System software controls standard internal computer activities. An operating system, for example, is a collection of system programs that aid in the operation of a computer regardless of the application software being used. When a computer is first turned on, one of the systems programs is booted or loaded into the computer’s memory. This software contains information about memory capacity, the model of the processor, the disk drives to be used, and more.
What is system software used for?
System software controls standard internal computer activities. An operating system, for example, is a collection of system programs that aid in the operation of a computer regardless of the application software being used. When a computer is first turned on, one of the systems programs is booted or loaded into the computer’s memory. This software contains information about memory capacity, the model of the processor, the disk drives to be used, and more.