The operating system controls hardware and soft
Answer:
A
Explanation:
B is a print statement.
C is a function invocation
D is a function declaration
A prototype is actually quite close to a declaration. The semi-colon at the end shows that no implementation will follow. Adding parameter names is allowed but would only be helpful for better understanding.
Answer:
The best choice is 802.11a.
Explanation:
The most common option, that is widely used in home internet is 802.11b, however, this only supports a max speed of 11Mbps.
802.11a supports up to 54Mbps and it has regulated frequencies that prevent interference from other devices, such as the wireless system that your client already has. This option is more expensive, and its signal has issues going through walls and rooms but still, it is the one that fits him the most.
Show the picture to answer the question
Answer:
Perform data backup on the work computer
Explanation:
It is very important that at every point in time that a technician will perform a maintenance, repair, or troubleshooting. the data on the work computer should be backed up to avoid loss. This is done to avoid data loss resulting from failure from hardware or software, backup provides copy of critical data immediately the maintenance is done, therefore backup is very important before any troubleshooting is done.
