ITPEC IP April 2024 Question 10
ITPEC IP April 2024 — Question 10 of 100
An address is the unique value assigned to a memory location so that instructions or data stored there can be identified and accessed. Main memory is organized as addressable locations, and the processor specifies an address when it reads from or writes to a particular location. Addresses are generally represented as numeric values and are assigned sequentially across the memory space.
Answer (a)
Why not others:
- (b) Counter stores or tracks a changing count; a program counter specifically holds the address of an instruction, but the location identifier itself is still an address
- (c) Index is an offset or position used to select an element, often relative to a base address
- (d) Pointer is a variable or value that contains a memory address; it is not the name of the identifier assigned to every memory location
Key rule: A memory location has an address; a pointer can store that address, and an index can help calculate it.
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