● (71) is an output device displaying the result on paper.
(71)
A.Printer
B. Mouse
C. Display
D. Disk
第1题:
71-72
第71题:
第2题:
Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper.(71) printer is also a nonimpact printer in which the characters are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a(72) on to plain paper. Electrostatic printer creates an electrostatic latent image, which is then made visible by a toner and transferred and fixed on paper. An electrostatic printer may be used in some instances as a(73). Laser printer creates, by means of a laser beam directed on a(74) surface, a latent image which is then made visible by a toner and transferred and fixed on paper. Magnetographic printer creates, by means of magnetic heads operating on a metallic drum, a latent image which is then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a(75) of each page.
A.Hot
B.Warm
C.Heat
D.Thermal
第3题:
●Information (71) involves all the operations of an office.
(71)A. record
B. processing
C. input
D. output
第4题:
Printers, plotters are(71 ) device.
A.input
B.output
C.storage
D.communication
第5题:
71-74
第71题:
第6题:
● Which of the following elements can be called the key element of a computer?(71)
(71)
A.printer
B.CPU
C.mouse
D.keyboard