An information on a hard disk is usually backed up using a : March 8, 2021 / By Preparation Point / FBR Inspector inland revenue past papers Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA)- Magnetic disk B)- CD-ROM C)- floppy disk D)- all of these Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn