Answer:
WiFi
Explanation:
WiFi can be defined as a wireless local area network that allows network devices such as access points (APs), computers (both laptops and desktops), smartphones, smart televisions, etc., to communicate with each other wirelessly over a short-ranged network. It is a standard communication network that uses radio waves to establish a channel (medium) between multiple network devices.
This ultimately implies that, the network range or distance covered by WiFi is largely dependent on transmission power and frequency. The standard range or distance covered by WiFi is about 50 meters (160 feet).
Hence, a short-range wireless network is called WiFi.
The four services that comprise IT infrastructure are:
- Telecommunications services.
- Data management services .
- Application software services.
- Physical facilities management services.
<h3>What does these services do?</h3>
Telecommunications services is known to help in terms of giving data, voice, and video network.
Data management services helps to save , manage, and analyze all data. Application software services helps to give firms-wide range capabilities.
The Physical facilities management services helps to make and handle physical installations of technology.
Therefore, The four services that comprise IT infrastructure are:
- Telecommunications services.
- Data management services .
- Application software services.
- Physical facilities management services.
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Answer:
Structured programming also known as Modular programming in which the program is made as a single structure.The execution is instruction by instruction.It mainly focuses on improving the quality,clarity and development time of a computer program.
The top-down approach works by breaking a complex algorithm into smaller parts called modules. The modules keep breaking until there is no space left for breaking them without hindering the originality.The breaking of the modules is prohibited after achieving a certain level of modularity . C language uses this approach.
Bottom up works exactly opposite of how the top-down approach works.This approach works in the most elemental level of solving a problem and going up with combination of several parts of the solution to achieve required results.
Answer:
"The type of the software which a user wants to use" is a consideration point for the amount of ram while purchasing the computer system.
Explanation:
- The Ram is primary memory, which is used when the system is in on mode. When there is less amount of Ram, then the user of the computers can not able to run multiple programs or runs that type of program which consumes more memory.
- And if there is a high amount of RAM memory, then the user can run multiple programs at the same time or can run that program which takes more memory.
- So when any user wants to decide about the Ram, then he can by deciding the type of software, which he wants to use. How much that software can use the memory.
