Computer Hardware Which hardware component controls serial port communications? None of these DMA823 ROM BIOS CPU UART 16550 None of these DMA823 ROM BIOS CPU UART 16550 ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware You have a PC with no video* Which of the following is LEAST likely to be causing the problem? low AC outlet power defective RAM (bank zero) defective microprocessor crashed hard drive low AC outlet power defective RAM (bank zero) defective microprocessor crashed hard drive ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware Which standard govern parallel communications? CAT 5 RS232 RS-232a None of these IEEE 1284 CAT 5 RS232 RS-232a None of these IEEE 1284 ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware During preventative maintenance on a dot matrix printer, do NOT lubricate: Print head pins Print head pulley Paper advance gear bushings Platen assembly Print head pins Print head pulley Paper advance gear bushings Platen assembly ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers? None of these lines per sheet characters per inch characters per second lines per inch None of these lines per sheet characters per inch characters per second lines per inch ANSWER DOWNLOAD EXAMIANS APP
Computer Hardware Which of the following is a type of preventative maintenance used on a hard drive? Initializing Uninstalling programs Head alignment diagnostics Disk check diagnostics None of these Initializing Uninstalling programs Head alignment diagnostics Disk check diagnostics None of these ANSWER DOWNLOAD EXAMIANS APP
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