Answer:B. Are used to create, organize, and manage databases
Explanation: Database management system (DBMS) is a computer software which is used to collect, analyse or evaluate and retrieve data from a database. It is essential to the flow of businesses or other activities of an organisation.
Examples of database management system softwares MICROSOFT ACCESS,FOXPRO,ORACLE etc all this are effective as it helps to manipulate the data structure,field names,the file formats etc.
Explanation:
These are the advantages of breaking up a single logical message into a number of fixed sized packets.
- When messages are broken into packets it increases the performance and also the reliability of the internet
- if there is an error in a single packet, this error is not going to affect the entire message.
- the efficiency of the communication line in the internet is improved.
- there is a reduction of traffic. Each packet in a single message can be transmitted through different routes.
- It reduces idleness as each packet can send from different program so each program has a service.
The answer is a lol i just looked it up
The answer is C Excel. Excel allows you to make spreadsheets.
Hope this helps :-)