Computer Hardware On a dot-matrix printer, regular lube maintenance should be followed, but this component should never be lubed: Printhead Platten bearings None of these Paper advance bearings Carriage rails Printhead Platten bearings None of these Paper advance bearings Carriage rails ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware How can you totally protect a PC from damage during an electrical storm? Disconnect all external cables and power cords Use a surge protector Disconnect the AC power cable Turn off the AC power None of these Disconnect all external cables and power cords Use a surge protector Disconnect the AC power cable Turn off the AC power None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What resistence in ohms should be displayed ehen testing a speaker in a computer? -200 Ohms None of these Unlimited Ohms 0 Ohms 16 Ohms -200 Ohms None of these Unlimited Ohms 0 Ohms 16 Ohms ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware One of the major components of a PC is the Central Processing Unit (CPU) which can be best described as: The area where ail the of the Basic input/output routines are stored The device that sends the monitor signals telling it what to display The area that regulates all of the system power usage The area where all of the processing takes place The area where ail the of the Basic input/output routines are stored The device that sends the monitor signals telling it what to display The area that regulates all of the system power usage The area where all of the processing takes place ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware What is the size of a sector? 512 Kb 1024 bytes None of these 512 bytes 256 bytes 512 Kb 1024 bytes None of these 512 bytes 256 bytes ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware Which part of the laser printer should NOT be exposed to sunlight? PC drum Transfer corona assembly Toner cartridge Primary corona wire None of these PC drum Transfer corona assembly Toner cartridge Primary corona wire None of these ANSWER DOWNLOAD EXAMIANS APP