A help system refers to a documentation component that usually accompany every software. It is meant to help the users when they encounter problems in the course of using the software. The most difficult part of working with the help system IS PHRASING YOUR QUESTION. A user has to use the correct words and phrases in order to get the needed help from the help system.
Your answer would be A. Architects
Answer:
A computer has a memory hierarchy, rather than just a single memory component. The lowest level is some form of secondary storage such as a magnetic disk. The next level is the main memory where a subset of the data from the hard disk is stored temporarily. The cache memory is the next level and uses SRAM to store frequently used data. Finally, the register store variables and temporary results for the current CPU computations.
Answer:
constant or constant expression
register name
variable name (memory)
Explanation:
Literally, operand means data which an operation can be performed on. The operation could be an arithmetic or logical operation.
From the list of options, several operations can be performed on:
- constants e.g.

- registers and
- variables e.g. (a + b)
<em>However, no operation can be performed on keywords and/or reserved words.</em>