Four of the basic I/O interface standard are PCI, SCSI, USB and ISA.
<h3>Standard I/O Interface</h3>
Input-Output Interface is used as an method which helps in transferring of information between the internal storage devices. A number of standards have been developed for I/O Interface.
There widely used bus standards are:
- PCI (Peripheral Component Interconnect)
- SCSI (Small Computer System Interface), and
- USB (Universal Serial Bus).
- ISA (Industry Standard Architecture)
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It really depends on your type of data, if it's sensitive data or not. And it also depends on what type of backup (Incremental, Decremental, etc.). But you should aim to backup at least once a week, and also do a backup of your original backup.
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The answer is a
relational database.
A data model in database management system consists of rules
that define how the DB organizes data. Today, a relational database is widely
used. It is a collection of data items organized as a set of formally described
tables from which data can be accessed in many different ways.
Answer:
The answer to this question is given below in the explanation section.
Explanation:
The correct answer to this question is the planning stage. Because the planning stage represents the development of documents that provide the basis for acquiring the resources and for developing the requirement document. at this stage, you plan about what you are going to develop and how to develop it. At this stage, you come out mainly with two documents i.e. project proposal and requirement document.
Other options are not correct because:
In the project management, after planning, you will start designing the product, and after designing you start developing the product, and at the implementation stage, you implement or deploy the product to the customer or to the client. The requirement document that is developed at the planning stage can be used in the later stages of the project.