Answer:
The answer is "Data compression".
Explanation:
In the given question some information is missing, that is the option of the question, which can be described as follows:
a) Data mining.
b) Information theory.
c) Data compression.
d) Image reconstruction.
Data compression is the mechanism, in which the bits arranges the data, that is changed. It encodes data, which needs less space is on the drive. It reduces the information instances and storage capacity, and other choices were wrong, which can be described as follows:
- In option a, Data mining is used in row data searching, that's why it's not correct.
- In option b, Information theory is used in communication, that's why it is wrong.
- In option d, Image reconstruction is used in 3D design, that's why it is wrong.
The answer is B cause you use it to make commands
Answer:
Option A is the correct answer for the above question.
Explanation:
The keyboard is a device, by which a human can instruct the computer in the text form. There are so many keyboards in which, thumb keyboard is one of them. The thumb keyboard is found in mobile phones, smartphones or PDA phones, which is used for personal use. It is a designed layout of the keyboard that can be placed on the hand of the human and a person can type on its with the help of his thumb.
The above question asked about the type of the keyboard which is used in various smartphones and other phones. That keyboard is thumb keyboard which is described above and it is stated from the option A. So option A is the correct answer while the other is not because--
- Option B states about the traditional keyboard which is used for the PC only.
- Option C states about the Notebook keyboard which is used for the Notebook computers only.
- Option D states about combination which is not a type of keyboard.
Answer:
Mainframe Computer System
Explanation:
Mainframe systems or simply mainframes are computers used for critical application, bulk processing and transaction processing.
They are larger than the basic computers we find around. They are advantageous as they are able to process large data faster. For this reason, large institutions like banks tend to use them for processing of data because of the thousands of transactions they engage in.
They are capable of handling and processing very large amount of data quickly.
Examples of other large institutions that uses mainframe computers apart from Bank stated in the question are
1. Stock brokerage firms
2. Government agencies
3. Insurance agencies
4. Fortune 500 companies and so on.
