System software consists of the programs like :Select one a. Operating Systems and Utility Programs b. Operating Systems and Application Programs c. Business Programs and Multimedia Programs O d. Operating Systems and User Programs Engineering applications (CAD/CAM) are mostly run in Select one a. Workstations b. Laptops c. Tablet d. desktops cable consists of one or more insulated wire .pairs encased in a plastic sheath :Select one a. All of these answers are worng b. Shielded Twisted-Pair c. None-twisted pair cable d. Unshielded Twisted-Pair