Answer:
1. Clients and servers—how services such as e-mail and web pages connect using networks.
2. IP addresses—how devices on a network can be found.
3. Network hubs, switches and cables—the hardware building blocks of any network.
4. Routers and firewalls—how to organize and control the flow of traffic on a network.
Answer:
a
early photographers who were first painters
Explanation:
The Rule of Thirds is a compositional technique which states that image painting, photograph, graphic design should be divided into nine equally proportioned boxes by creating a grid with two vertical and two horizontal lines. The rule of third helps in making the picture more attractive and balanced
The rule of thirds was first used in landscape paintings by painters as early as 1797.
Answer:
Option D
Explanation:
Complete question
A management information system is typically used by _____.
A. all levels of employees
B. company executives
C. upper-level managers
D. middle-level managers
Solution
A management information system is typically used by middle-level managers
Option D is the correct answer
Management information system (MIS) helps the middle managers to control the work across the various teams of organization.
Answer:

Explanation:
We'll be using u-substitution for this problem.
Let

Substitute

Split the fraction

Move the constants out

Simplify

Integrate

Substitute

Answer:
The phenomenon of total internal reflection of light is used in many optical instruments like telescopes, microscopes, binoculars, spectroscopes, periscopes etc. The brilliance of a diamond is due to total internal reflection. Optical fibre works on the principle of total internal reflection.
Explanation:
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