(A) Half duplex interface
(B) Hard disk interface
(C) Head to disk interference
(D) Help desk interference

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(A) Half duplex interface
(B) Hard disk interface
(C) Head to disk interference
(D) Help desk interference
(A) fuser
(B) printer head
(C) primary corona
(D) high-voltage power supply
(A) malfunctioning imaging laser
(B) low level in the toner cartridge
(C) no power to transfer corona
(D) no power to the primary corona
(A) monitor
(B) laser printer
(C) ink-jet printer
(D) an external modem
(A) only digital
(B) digital and analog
(C) only analog
(D) neither digital nor analog
(A) IR
(B) USB
(C) RS-232
(D) IEEE 1394
(A) fuser
(B) duplexer
(C) toner cartridge
(D) paper-swapping unit
(A) RAM
(B) ROM
(C) CD-ROM
(D) Hard disk
(A) 378
(B) 2F8
(C) 3F8
(D) 360
(A) CPU
(B) I/O card
(C) video card
(D) hard drive