Answer:
b, a keyboard. Sometimes a, if it contains a microphone.
Answer:
find()
Explanation:
When dealing with MongoDB the method that needs to be used in this scenario would be the find() method. This method basically returns all of the records that exist in the collection on which it is called, if no parameter is passed. If you pass a parameter/expression then only the records that match completely the expression will be returned to the user, otherwise nothing is returned. For example, on a database (db) we would call the following
db.find() ... This will return all records
db.find({specific}) ... This will return only the records that match specific.
Answer: Application layer
Explanation:
Application layer of OSI(Open system interconnection) that is responsible for interfacing the communication with the user by displaying information or message. It maintains the transmission of file and assessment, emailing faculty, using network services etc.
- According to the question,if any Skype user has complain regarding video call drop while conferencing then application is responsible to solve the issue.
- This layer will be the starting point of troubleshoot by approaching to network resources.As call drop can occur due to network service, congestion or resource issue.
Answer:
The value of "x" is stored at "main memory".
Explanation:
Simply Central processing unit, input device and output device can not store the data.