Answer:
1.....There is a standard structure for emails. Email contents are primarily classified as two, the header and the body. We are going to see the contents come under the two subparts. The email header gives us common details about the message such as the unique identity of the message.
Explanation:
2......a program that searches for and identifies items in a database that correspond to keywords or characters specified by the user, used especially for finding particular sites on the World Wide Web.
its components are ....
A search engine normally consists of four components e.g. search interface, crawler (also known as a spider or bot),indexer, and database.
3.....Advantages Of eLearning
It is a very efficient way of delivering courses online. Due to its convenience and flexibility, the resources are available from anywhere and at any time. Everyone, who are part time students or are working full time, can take advantage of web-based learning.
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<span>Conflict of IP address in the computers. when computer are networked each computer is given a unique IP address. If two computers have the same IP there will be conflict which lead to failure in sending and receiving data within the network. It can be resolved by checking the IP addresses of each computer and correcting it.</span>
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Answer:
4. Command line interface (CLI)
Explanation:
An operating system is a system software pre-installed on a computing device to manage or control software application, computer hardware and user processes.
This ultimately implies that, an operating system acts as an interface or intermediary between the computer end user and the hardware portion of the computer system (computer hardware) in the processing and execution of instructions.
Some examples of an operating system on computers are QNX, Linux, OpenVMS, MacOS, Microsoft windows, IBM, Solaris, VM etc.
A Command line interface (CLI) refers to a text-based user interface that allow users to operate a software application or program, as well as manage and execute operating system functions by typing standard line of commands into the text-based user interface with a real-time response.
Basically, the CLI is solely text-based and as such requires a thorough knowledge and understanding of global commands, as well as administrative privileges in some cases.
<em>Hence, the operating system function which has a steeper learning curve (more difficult to learn) and can potentially break the system without careful use of its operations is the Command line interface (CLI). </em>
Answer:
Charles Babbage
Explanation:
Analytical engines were presumed to be the first general-purpose computer which was designed sometime in the 19th century by Charles Babbage - a British mathematician and inventor. A series of punch cards was used by Charles Babbage in his design of the engine. These punch cards were used for various operations such as arithmetical operations, numerical constants and other operations such as load and store.
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