1-23. What  type  of  chip  is  the 80287? 1.     RAM 2.    DOS 3.    I/O    circuit 4.    Math    coprocessor 1-24. Which  of  the  following  terms is   NOT   used   interchangeably with  the  term  monitor? 1. Display 2. System   unit 3. Display    device 4. Cathode-ray    tube 1-25. Most  color  monitors  are  of the  RGB  type. What  does  RGB mean? 1. Red-green-blue 2. Red-gold-blue 3. Raster   gauge   beam 4. Registered   global   beam 1-26. Depending  on  the  amount  of RAM   available,   color monitors   can   display   what range  of  colors? 1. 8 to 256 2. 16  to  256 3. 8  to  16,000,000 4. 16  to  16,000,000 1-27. Most  monitors  will  have  an LED   indicator   light. What does  LED  mean? 1. Light-emitting    diode 2. Light-enhancing    diode 3. Low-emitting    device 4. Low-enhancing    device 4 1-28. What    characteristic determines   the   sharpness   of the   monitor   screen   image? 1. Color 2. Resolution 3. Refraction 4. Screen   size 1-29. The  number  of  dots  or  pixels per  square  inch  of  screen measures    what characteristic? 1. Color 2. Refraction 3. Resolution 4. Screen   size 1-30. A  screen  with  a  resolution of  1280  by  1024  has  what total  number  of  pixels? 1. 1, 024 2. 1,280 3. 2,304 4. 1,310,720 1-31. By  what  means  are  characters created  on  the  screen? 1. Dot-matrix 2. Dot   mapping 3. Line   drawings 4. Opaque   images 1-32. To   individually   control   each dot  or  pixel  on  a  display screen,    what   technique   can be  used? 1. Dot   display 2. Bit   display 3. Dot   mapping 4. Bit   mapping