Lee ràpidamente y sin consultar, el siguiente texto. Busca las ideas
Shows the system we sketched at the beginning of this chapter with the
pieces filled in with the equipment we have been discussing. Although
A А.
The Complete Hardware System
the equipment may vary widely, from the simplest desktop computer to the
most powerful supercomputer, by and large the nature of the hardware
5 remains the same. Gallery 2, "A Little Gallery of Hardware", shows various
forms of computer hardware in use.
Nearly all large systems run 24 hours a day in order to meet the users' da.
la processing needs. However, the size of computer an organization needs
depends on the organization's requirements. Clearly, the U.S. Weather Bu
10 reau, keeping watch on worldwide weather fronts, has different require
ments from those ol a car dealer's service department, for instance, that is
trying to keep track of its parts
inventory.
In the jargon of the computer trade, large computers are called mainfra-
mes Mainframes are capable of processing data at very fast speeds and ha-
15 ve access to billions of characters of data. Smaller computers, smaller than
mainframes in storage capacity, are called minicomputers. Minicomputers
are slower and less costly than mainframes, but they fall within the price
range of many small businesses. The advent of the minicomputer greatly
expanded the potential computer market. The smallest computers, such as
20 desktop and personal computers, are called microcomputers. Unfortuna-
tely, none of these definitions can be said to be fixed because computer
technology is changing so rapidly.
The hardware devices attached to the computer are called penpheral
equipment. Peripheral equipment includes all input, output, and secondary
25 storage devices.
Escribe en la linea una V si la aseveración es verdadera, y una F si es falsa.
1. All computers have the same cost.
2. The function of hardware is always the same.
3. Mainframes usually work 24 hours a day.
4. Personal computers are faster than mainframes.
5. Computer technology remains without variation.
6. Computer size depends on user's needs.
7. Computers are identified according to size.
8. Processing speed is similar in all computers.
9. Storage capacity is variable.10 Computers are becoming smaller.
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