A ________ can find bad sectors on your hard drive and block access to them.

In a queue implemented using a circular array, rear refers to

a) the first available array element at the end of the queue b) the element at the end of the queue c) the number of elements remaining to be used at the end of the array d) the number of elements available at the beginning of the array e) none of the above

Adjusting the ______ increases or decreases the crispness of objects in the photo.

A. brightness B. contrast C. sharpness D. compression