Answer:
A. PRL
Explanation:
Mobile phone technologies like CDMA , GSM etc, are used by cell/ mobile phone to transmit and receive signals. With the limitation of fluctuation, a mobile phone was made to adapt to this problems, thereby combining this broadbands like CDMA, GSM,4G LTE etc gave rise to PRL (Preferred roaming list) database to hold information needed to establish connection to the correct cell tower for these broadbands.
Answer:
It's not good in reality to touch the Chromebook's screen with your finger, a pencil, a pen or anything like your thumb. They might start looking blurred or if you touch them very hard then they might crack as well. If this happens, report to the authorized store immediately, and if warranty prevails you will get it repaired at no extra cost. However, take this as a warning, and keep in mind the precautions mentioned in the explanation.
Explanation:
Never put extra pressure on the Chromebook screen, and even when it is not open.
Always store it in a closed position.
Always keep the things that can put pressure away from your Chromebook.
Never poke your screen with something that put a mark or a kind of scratch on the surface of the screen.
Never ever, place something on the keyboard like pens, disks or pencils prior to shutting the lid.
Answer:
Difference between Queue and Stack are as following:-
- Queue is a FIFO(First In First Out) type data structure while Stack is a LIFO(Last In First Out) type data structure.
- The insertion and deletion of elements from the queue happens from two ends insertion at the tail and deletion from the front.While the insertion and deletion from stack happens from one end only that is top.
- The insertion and deletion operation in queue are referred as enqueue and dequeue. While in stack they are referred as push and pop respectively.
