Dot-matrix printer
Laser printer
Ink jet printer
Thermal printer
DASD
DRDO
DISD
None of these
Memory Unit
Control Unit
Arithmetic and Logic Unit (ALU)
laser printer
dot-matrix printer
daisy-wheel printer
electrostatic printer
Ink jet printers
Dot matrix printers
Input unit
Output unit
Processing unit
All the above
Telephone
Modem
Mobile phone
Processor
Primary stored devices
Secondary storage devices
Mechanical device
Not a data processor
A data processor
Ink-jet printer
Dot matrix printer