ITPEC IP October 2023 Question 19
ITPEC IP October 2023 — Question 19 of 100
Some PC operating systems can boot from external media such as a CD-ROM or USB storage device. Live environments and installation or recovery systems commonly use this capability, provided the computer's firmware supports booting from that device and the media contains a bootable OS image.
Answer (d)
Why not others:
- (a) compatible hardware can support multiple OS types and may use multiboot or virtualization
- (b) 64-bit CPUs have widely available 64-bit operating systems
- (c) an upgrade can create compatibility problems, but it does not make every old application unusable; many remain compatible or can use compatibility features
Key rule: An OS need not reside only on the internal hard disk, and hardware or OS upgrades do not imply absolute one-OS or zero-compatibility restrictions.
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