Another name for low-angle lighting is under-lighting.
Answer:
It is science fiction
Explanation:
Rockets and stars relate to science
Answer: Safety effort of system is defines as the measures that are taken to provide and maintain the protection of the system.There are several methods ,tool and efforts made for the system security .Benefits of the system security are as follows:-
- Takes control over the hazardous situation and maintain the security
- System security will also increase the development of the system easily.
- Approach towards the analyzing of the system function
- Data, information and functions are safe from being detected in unauthorized way.
- Functions and implementation is made easy without the fear of getting attacked or hacked.
Answer:
<u>Advantages of wireless communication:-</u>
- Flexibility in transferring the message through communication for which the sender and receiver can be in any place.
- Speed of the communication is accurate and fast
- Due to no wiring , the cost of the wireless communication is less.
<u>Disadvantages of wireless communication:-</u>
- The security is less as the data can be accessed by unauthorized sources at times.
- The setting up of wireless communication complex and expensive.
<u>Advantages of wired communication:-</u>
- Simple configuration
- Higher bandwidth is present in the cable
- High reliability
<u>Disadvantages of wired communication:-</u>
- Mobility is present for communication
- Installation requires lot of time due to cabling
- Requires extra devices for covering large areas for communication
Wireless communication is more preferable than wired communication in the conditions like communication connection that should face low damage and longer life which is not present in cable connection as they break or get disrupted.The flexibility of moving while communication is required by most people so, they use wireless communication .
