A user with an inkjet printer states that all their color printouts are missing red ink. The inkjet printer has a cartridge for each of the CMYK colors, and the user recently replaced the magenta cartridge. Which of the following should the technician do NEXT?
A. Purchase a maintenance kit
B. Use a different weighted paper
C. Verify printer cables are connected
D. Perform printer head cleaning
Answer: D. Perform printer head cleaning
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Ken Thompson and Dennis Ritchie designed the high-level language ¬¬________ specifically to implement the UNIX operating system.
a) Java b) C c) Visual Basic d) C++
Each of the following is a rule for defining names EXCEPT: ________
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According to the accompanying table, when a user clicks a form button, a ____ event is generated.
A. select B. change C. click D. submit