Answer:
The expression is :
π[cd) + π(g,h) ],[π(e,f)+π(a,b)])
We will use foreign key and primary key
Answer:
Communication is a constant process and it can also be corrupted.
Explanation:
Communication is the ability to send and receive messages that can be understood. We constantly communicate with our environment verbally and or orally, using signs and language to express ourselves.
Messages sent can and should be decoded for communication to be complete. It can be corrupted on its path to the decoder, this hinders understanding.
Answer: Resolution
Explanation: The total number of pixels that can be displayed on the screen at a time is called the resolution of the screen. This resolution is normally described in the pair of numbers, such as 2560 x 1440. This means, the computer screen is 2560 pixels wide and 1440 pixels tall.
<u>Drastic change of over society Computers:</u>
In society computer has drastically changed and it has been used to for varies purpose to do analysis or storing data, as decisions making tools. Purpose computer been found is to do huge calculation. “Compute” word has been derived to computer. Computer later stage it diverted is purpose from calculation to information store device.
Computers have heavy effect the communication in normal word and business world. Especially social media took over the control of computers. In today’s world four type of ethical issue are known in computer mainstream in the workplace they are.
1. Crime (computer)
2. failure of responsibility in the computer.
3. Protection of software records and documents etc.
4. End user data protection and privacy.
99% of computers are protected with firewalls and antivirus. But still hackers can hack the computer and steal the data.
