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Harlamova29_29 [7]
3 years ago
13

What is computer???A. Electornic deviceB. StorageC. Accuarcy.D. Communciation​

Computers and Technology
1 answer:
Gemiola [76]3 years ago
8 0

Answer:

A

Explanation:

It's explanable the other ones dont make sense

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The relational model describes data using a standard tabular format; all data elements are placed in three-dimensional tables ca
frutty [35]

Answer:

False

Explanation:

Relational Database are only two dimensional (not three dimensional).

Note: Relations are two dimensional tables in relations databases.

8 0
3 years ago
A certain program takes 26.67 seconds to run on 3 processors and 16 s to run on 7 processors. Find the execution time on one pro
brilliants [131]

Answer:

The explanation for the question is listed in the section below on Explanation.

Explanation:

The time needed for a program to execute in 26.67 seconds on 3 processors. Time expected to run the program, therefore, should be as follows:

The time to run on one processor = \frac{26.67}{3} = 8.89 seconds.

The time needed for a program to execute in 26.67 seconds on 7 processors, should be:

Time = \frac{16}{7} = 2.2857 seconds.

Whenever the amount of processors increases the performance or speed should increase.

The time is taken in percentage = \frac{26.67}{16}×100% = 170 %

As the number of processors increases from 3 to 7, the time required according to each processor increases by 70%.

In one processor the execution time should be as follows:

26.67+(26.67×0.7) = 45.339

                              = 45 seconds

Therefore. the execution period for a single processor is about 45 seconds.

The work is performed in parallel, whereas the program is already being parallelized. The overall function ought to be shared between the processor. The time is shortened to around half. Hence the duration taken will be 8 seconds after parallelization.

Theoretical execution time would be Tp > T infinity.

Thus, T infinity<45

The theoretical processing interval on processor count P1/2 would therefore be less than 8 seconds. Because, the time required during parallelization was just that.

5 0
3 years ago
What is a device that connects to the system unit and is controlled by the processor in the computer called !
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Most computers have three types of ports: serial, parallel, and USB. A serial port is a type of interface that connects a device to the system unit by transmitting data only one bit at a time. Serial ports usually connect devices that do not require fast data transmission rates, such as a mouse, keyboard, or modem.
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Normal view
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Normal View is the place where creating and editing occurs slide panel. This is where you can write or edit kind of information or images you wanted to show in your power point presentation. 
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3 years ago
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What should you do to organize a large amount of data??
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Set them up from least to greatest or create a number graph with all the data.
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3 years ago
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