Which program is systematically executed from ROM the instant a standard personal computer is turned on?
A. POST (Power-On Self-Test)
B. Microsoft Word
C. Disk Defragmenter
D. The Windows Task Manager
Answer: Option A
Solution (By JKSSB Mock Tests)
The POST (Power-On Self-Test) routine is hardcoded into the system BIOS/UEFI ROM and runs instantly at startup to verify that essential hardware components are operational.
Explanation:
SDRAM stands for Synchronous Dynamic Random Access Memory, which synchronizes with the system clock for faster data transfer compared to asynchronous DRAM.
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