29. Which of the following is not a category of mobile operating system? [a] Google Android [b] Windows mobile [c] Mac iOS [d] Linus mobile 30. Which of the following statement is true about the power options? (a) Sleep mode saves any open documents and running programs or apps to Hand Deve the place the computer in a low-power state [b] Hibernate mode saves any open documents and ranning programs or apps to the RAM then down [c] Sleep mode saves any open documents and running programs or apps to RAM, then places the computer in a low-power state. [d] Hibernate mode saves any open documents and running programs or apps to an internal had drive, and then places the computer in a low-power state 31. One of the following is not valid for describing the capacity of storage devices [a] Yottabyte [b] zettabyte (c) gigabyte [d] Pettobyte 32. A head crash occurs in one of the following storage devices (a) HDD drive [b] USB drive [e] CD-R [d] MMC 33. Which of the following has the Fastest transfer rate? [a] Optical Dise [b] RAM Memory [c] Memory Cards [d] Hard Disk Drive 34. One of these is not a term used when describing the characteristics of a hard drive [a] Platter [b] track [c] Cluster [d] roller 35. Which transmission media has the highest transmission speed in a network? [a]coaxial cable [b] twisted pair cable [cloptical fiber [djelectrical cable [d]All of them above 36. Motion input sometindes is called recognition. [a]body [b]movement [c]gesture [d]simulated 37. CPU stands for central unit. [a] Protection [b] Processing [c] Packing [d] Possessing 38. Which of these is a collection of unprocessed items, including text, numbers, images, audio, and video? [a] Output [b] Input [c] Data [d] Information 39. A graphics tablet also is called a(n)) (a)digitizer [b]illustration pad [clart input device [d]illustrator 40. The banking industry almost exclusively uses [a] QR codes [b] MICR [e] magnetic stripes[d] OCR for cheque processing.