<prompt> Identify the CPU instruction that is required for printing a character to the screen.  <response>: An instruction to print a character to the screen may vary depending on the specific computer architecture or operating system being used. Generally, however, outputting a character to the screen involves a series of instructions that include loading the character into a register, setting the appropriate control bits, and issuing an output instruction to the display device. For example, in x86 assembly language, an instruction such as mov ah, 0x0e can be used to set the appropriate control bits to print a character in text mode, followed by mov al, character to load the desired character into the AL register, and an instruction such as int 0x10 to issue the BIOS interrupt to print the character. 