Which architectural component generates the addresses required to fetch instructions from physical memory locations? MCQ with Answer and Explanation

Which architectural component generates the addresses required to fetch instructions from physical memory locations?
A. The Data Bus
B. The Hard Drive Actuator
C. The Program Counter (PC)
D. The Optical Laser Assembly
Answer: Option C
Solution (By JKSSB Mock Tests)
The Program Counter is a specialized processor register that holds the memory address of the next sequential instruction slated for execution.

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Memory and Storage Devices Questions

Question #1
What is the role of the Northbridge in relation to memory?
A. It stores the BIOS
B. It controls power management
C. It manages the communication between CPU, RAM, and graphics
D. It handles I/O devices

Correct Answer: Option C


Explanation:
In traditional chipset architecture, the Northbridge connects the CPU to high-speed components like RAM and PCIe graphics. Modern CPUs often integrate the memory controller, reducing the Northbridge's role.

This question belongs to: Computer Memory and Storage Devices
Question #2
Which memory type serves as the main storage location for high-performance graphics processing units (GPUs)?
A. L1 Cache
B. DDR4 RAM
C. VRAM / GDDR
D. EEPROM

Correct Answer: Option C


Explanation:
VRAM (Video RAM) or GDDR (Graphics Double Data Rate) is specialized memory designed to handle the massive bandwidth required by graphics processors.

This question belongs to: Computer Memory and Storage Devices
Question #3
What happens during a computer memory 'Page Fault' scenario?
A. The system architecture detects an invalid alphanumeric input string.
B. A sector on the hard disk drive undergoes permanent mechanical erosion.
C. The physical memory chip catches fire due to over-voltage.
D. The CPU requests a data block from logical memory that is not currently loaded into physical RAM.

Correct Answer: Option D


Explanation:
A page fault occurs when a running program attempts to access a memory page mapped into its virtual address space, but that page is not presently resident in physical RAM.

This question belongs to: Computer Memory and Storage Devices