Which of the following codes indicates that a sector in the hard drive is bad?
A) FFFF
B) FFF7
C) 0007
D) 0000

Question

Quizplus · Accepted Answer

In binary, each hexadecimal digit represents four bits. F represents the value 15 in decimal, and a value of FFFF indicates that all 16 bits are set (1), which translates to 65535 in decimal. However, a hard drive typically has much fewer sectors than that. Therefore, a value of FFF7 would indicate that all but one of the 16 bits are set, which translates to 65527 in decimal. This means that the last sector is bad, because its bit is not set. Therefore, B is the correct choice.

Which of the Following Codes Indicates That a Sector in the Hard