The central processing unit or the processor takes the basic instructions of the computer.
The main parts of the computer are the CPU and the processor that performs the basic and important functions of the system. The CPU is the main processor that processes al the requests and instructions in computer programming. As controlling the input and the outpour functions.
Find out more information about the instructions.
I think the answer would be binary code.
b. Desktop
c. Screen saver
d. Shortcut
The stack data structure can erase from its beginning or its end in O(1) time.
The O(1) complexity is an illustration of getting operations done in a constant time.
Stack data structure uses the push and pop operations for inserting and deleting items in a linear or constant time.
This implies that, inserting an item into a stack happens in O(1) time, and also; removing an item from the stack, irrespective of the item location (beginning, end, or in between) happens in O(1) time.
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Where all "the following" i can help you but you said which of the folllowing and ther no picture or anything?