Comprehension Tasks
1. Making classifying.
Give the name for each logical word group.
1) magnetic tape, floppy disks, hard disks, CD-ROMs, CD-R disks, CD-RW disks, DVDs;
2) CD-R, CD-RW, DVD;
3) monitor, mouse, keyboard, speakers, printer, scanner;
4) RAM, ROM, cache;
5) laptop, notebook, handheld computer, pen-based computer, PDA.
2. Match the computer terms with their definitions.
1. Supercomputers 2. Main frame 3. System bus 4. Motherboard 5. Cache 6. Notebook 7. Random access memory
8. Processor
9. Expansion bus
10. Operating system |
a) a main printed circuit board where the processor, cache, RAM and system bus are located |
b) the key component of a computer, it controls the rest of the computer and executes programs |
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c) are used for jobs that take massive amounts of calculating, like weather forecasting, engineering design and testing, serious decryption, economic forecasting |
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d) a computer which links several PCs together in a network |
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e) the working memory where the current application program resides |
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f) connects all the necessary devices to the processor |
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h) set of programs that controls the basic functions of a computer and provides communication between the application programs and the hardware |
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i) a long thin connector that is used for adding additional electronics in the form of expansion cards |
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j) a portable computer that is about the same size as a piece of writing paper |
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k) a small amount of very high speed memory built into the processor for doing immediate calculations |
3. Give the main meanings of the following abbreviations.
PC, IBM, PDA, HPC, PPC, HR, CAD, RAM, SCSI, ROM, CD, CD-ROM, CPU, VDU, CD-R, CD-RW, DVD, MO, NIC, RAID, MHz, GHz, MB, GB, VGA, SVGA, MacOS.
4. Complete the diagram of a computer system.
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Computer system |
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Data and programs: s |
Electronic and mechanical parts: 1 |
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the "brain" of the computer 2 ……… |
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m |
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physical units attached to the computer 3 |
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chip which increases the speed of calculations 4 ……… |
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5……… |
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6 |
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s |
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devices for presenting information to the computer 7……… |
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devices for extracting results from the computer 8 ……… |
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9…… |
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10… |
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11… |
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12… |
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13… |
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14… |
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oftware
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ain
memory
………
………
torage
devices
