Answer:
he Unix epoch (or Unix time or POSIX time or Unix timestamp) is the number of seconds that have elapsed since January 1, 1970 (midnight UTC/GMT), not counting leap seconds (in ISO 8601: 1970-01-01T00:00:00Z).
Explanation:
The answer above is from a secure website
Most email clients contain a "subject" that allows the user to read an email message without actually opening it.
Answer:
Encapsulation
Explanation:
There are seven layers in the OSI network model. These layers are, application, presentation, session, transport, network, data-link and physical layer.
Each layer of the OSI model has a PDU or protocol data unit. These PDUs are form by encapsulation.
The application, presentation and session data. When it moves to the transport layer, it is encapsulated within the transport header. This new pdu is called segment.
This process continues in network and data-link to give packet and frame PDUs respectively.
Answer:
1.c 2.a
Explanation:
If the new emails she doesn't need could be ignored in spam. the old ones are useless so trash em.
Answer:
isSelected()
Explanation:
The isSelected() method of a radio button returns true if that button is on and false otherwise. This method is defined in the class javax.swing.AbstractButton. JRadioButton class inherits from AbstractButton and thus has access to this method. An application code can invoke this method on the radio button instance to determine th ecurrent state and alter the control flow accordingly.
