Questions

Hard copy is the output which is printed by the computer.

Application layer protocol defines types of messages exchanged, message format, syntax and semantics and rules for when and how processes send and respond to messages.

Internet Protocol version 4 (IPv4) which defined an IP address as a 32-bit value

IPv4 is in contrast to IPv6, which defined an IP address as a 128 bits value.

Answer A is incorrect because you are providing a service that the customer did not request; therefore, it might not be important to her and unnecessary. Answer B is incorrect because scope creep is generally an expansion of the scope of the project at the customer's request and the customer did not request these reports. Answer C is incorrect because an additional report does not always mean increased diligence with a project.

The above-given statement is absolutely true. Poorly tuned engines of vehicles will not get good gas mileage.

A poorly running engine may lose power that is needed for normal driving and emergencies, may not start, gets poor fuel economy, pollutes the air, and could stall when you are on the road causing a traffic problem.

angstrom is used to measure wave length,

weber is used to measure Magnetic flux,

lux is used to measure Intensity of illumination.