Unlike photo printers, most laser printers today print in black and white. Digital Video Recorders convert sight and sound into a form which computers can understand Earphones transmit sound to individual listeners. Electronic White Boards enable teachers to display what is on their computers to entire classes. Use Windex .
White board cleaning solution and board wipes are also available.
Clean the board and the shelf where you put your markers about two to three times a week. Computers or CPUs. Computers should be cleaned with Fantastic at least once a month. Monitors or Screens. Monitors can be wiped down with Windex , a wet cloth or wipe once a month as well.