31. A high quality CAD system uses the following for printing drawing and graphs A) Dot matrix printer B) Digital plotter C) Line printer D) All of the above 32. Which of the following is not an input device? A) OCR B) Optical scanners C) Voice recognition device D) COM (Computer Output to Microfilm) 33. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately A) 16 digits B) 6 digits C) 9 digits D) All of above 34. In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single board. What is the name of the board? A) Motherboard B) Daughterboard C) Bredboard D) Fatherboard