Answer:
Push Z
Push Y
Pop Y
Push X
Pop X
Push W
Push V
Pop V
Push U
Pop U
Pop W
Pop Z
Push T
Push S
Pop S
Push R
Pop R
Pop T
Explanation:
A stack is a term in computer science that defines an abstract data type that acts as a collection of elements. It has two operations which are mainly push and pop.
Push is used in adding elements to the collection, while pop is used in removing elements from the collection.
If the element A has been pushed to the stack, you check if the top element in the pop[] sequence is A or not.
If it is A, you then pop it right, else top of the push[] sequence will be changed and make the sequences invalid.
So, similarly do the same for all the elements and check if the stack is empty or not in the last.
If empty you then print True else print False.
1.Click the battery btn and go into power option.
2.Go into "When to turn off display" from left side bar menu.
3.And select for brightness drop down as never dims the display.
This will make the display turn on, no matter if the PC keyboard btn or mouse hower is clicked or not.
Answer:C) Uninterruptible power supply
Explanation:Uninterruptible power supply(UPS) is the device that is used when the input source of power does not work or fails and thus it acts as a power supply in the emergency situation.This electronic devices in the protection of the hardware components of computer system etc.
Other option are incorrect because power strips, surge protector and password generator are no the devices that work during the power black out situation.Thus, the correct option is option(C).
You can find the author and research his/her credibility
You can cross-reference the information to other documentations
You can investigate the credibility of the overall website or community. Teachers like to say that community sites like wikipedia aren't very reliable.
