35. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What is the name of this board? A) Motherboard B) Breadboard C) Daughter board D) Grandmother board 36. Magnetic disks are the most popular medium for A) Direct access B) Sequential access C) Both of above D) None of above 37. A technique used by codes to convert an analog signal into a digital bit stream is known as A) Pulse code modulation B) Pulse stretcher C) Query processing D) Queue management 38. Regarding a VDU, Which statement is more correct? A) It is an output device B) It is an input device C) It is a peripheral device D) It is hardware item 39. A modern electronic computer is a machine that is meant for A) Doing quick mathematical calculations B) Input, storage, manipulation and outputting of data C) Electronic data processing D) Performing repetitive tasks accurately