Answer:
When you ask a question in brainly, two helpers will answer it, then on each answerer you'll find "mark as brainliest" button which looks like a crown.
Hope this helps :)
Answer:
The memory and the processing unit communicate through the Memory Address Register (MAR) and the Memory Data Register (MDR).
Explanation:
A system of interconnected computers that share a central storage system and various peripheral devices such as a printers, scanners, or routers. Each computer connected to the system can operate independently, but has the ability to communicate with other external devices and computers
<span>Read more: http://www.businessdictionary.com/definition/computer-system.html</span>
Answer:
A)predict future organizational needs.
Explanation:
It is important to perform a SWOT analysis. Which helps us predict future business needs. Highlighting strengths, weaknesses, opportunities and threats.
- analyzing its internal characteristics (Weaknesses and Strengths).
- external situation (Threats and Opportunities) in a square matrix.
There are two main types of encryption - <span>symmetric and asymmetric.
Using symmetric encryption, you use a single secret key that is used to both encrypt and decrypt the data. This form of encryption has been used way before computers! Without this key it is very hard to decrypt a message. However, the issue with this is that if you want to send an encrypted message, you also have to send a key to them, and </span>if your somebody unintended intercepts the
key, they can read the message.
What's the solution? Asymmetric cryptography or public key encryption. Asymmetric cryptography uses encryption that splits the key into two
smaller keys. One of the keys is public and one is kept private.
A good metaphor for understanding this is the public key is the lock, and the private key is the key. You can encrypt a message to send to somebody with their public key, locking it, which they can then decrypt, unlock, with their private key. And vice versa. So with this kind of encryption it's very difficult to decrypt a message for anybody but the owner as it's much harder to steal when it doesn't need to leave their computer, but easy to encrypt messages to send to them
