A. modulation
B. switching
C. telecommuting
D. demodulation

A. laser printer
B. dot matrix printer
C. inkjet printer
D. thermal transfer printer

A. printer
B. DVD
C. keyboard
D. monitor

A. mouse
B. scanner
C. digital camera
D. MICR

A. laser printers
B. impact printers
C. LCD printers printers
D. non-impact

A. monitor
B. printer
C. keyboard
D. plotter

A. RAM
B. ROM
C. control bus
D. central processing unit

A. hardware
B. firmware
C. application
D. software

A. software
B. program
C. hardware
D. an output unit

A. how the current system works
B. the problems in the existing system
C. requirements for the new system
D. all of the above