Answer:
A: Radio waves.
Explanation:
Computers use short-wave radio in order to communicate with devices in it's immediate vicinity.
Answer:
True
Explanation:
A single file can be used to record/ store all the information regarding a transaction because in a transaction there are less complexities. a simple transaction involves an exchange/communication between a buyer and a seller which involves exchange in finances between the buyer and the seller.
An employee can be involved in several activities like work activities and multiple transactions while a single inventory part record is different from an employee's record and any other form of transaction. hence separate files have to be created for each of these activities.
To have an easy access to this information when needed a master file is created to store all the individual files.
Answer: the sample is not representative of the community.
Explanation:
Online surveys or surveys in general are made to obtain relevant information about a particular issue. If samples are not representative of that issue, they end up having little use.
It needs an Operating System like a cable or something that will help it operate look for more and double check
Answer:
A drill is one of the most important tools a dentist can have. They run on pneumatic systems which gives the drill power and precision.
Explanation:
So, false
