_____________is a windows utility program that locates and eliminates unncessary fragments and rearranges filed and unused disk space to optimize operations?? Computer Mcqs February 3, 2020 BILAL KHATTAK0 A. Backup B. Disk cleanup C. Disk Defragmenter D. RestoreRelated posts:Which statement is valid about computer program?? A set of rules for telling the computer what operations to perform is called a______________?? Which of the following is machine independence program?? An intentionally disruptive program that spreads from program to program or from disk to disk is known as a_____________??