Related Questions

Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
ক Interface
খ Modem
গ Attenuation
ঘ Teleprocessor
ঙ None of the above
If we want to connect a few computers in a small office, all the computers in one building, or all the computers in several buildings in close proximity, which type of network is required?
ক PAN
খ LAN
গ MAN
ঘ SAN
In a shipment of computers, 1% of the computers are defective. What is the ratio of defective to non-defective computers?
ক 1 : 200
খ 1 : 100
গ 1 : 99
ঘ 99 : 1
Mr. Mamun bought 73 rolls of film. He can take 24 pictures with each roll of film. What is the total number of pictures he can take with 73 rolls of film ?
ক 1,642
খ 1,652
গ 1,742
ঘ 1,752
Digital computers are more widely used as compared to analog computers, because they are
ক Less expensive
খ Always more accurate and faster
গ Useful over wider ranges of problem types
ঘ Easier to maintain
A light sensitive device that converts drawing, printed text or other image into digital form is-
ক Keyboard
খ Plotter
গ Scanner
ঘ OMR
A light sensitive device that converts drawing, printed text or other images into digital form is __
ক Keyboard
খ Plotter
গ Scanner
ঘ None of these
A light sensitive device that converts drawing, printed text or other images into digital form is ___
ক Keyboard
খ Plotter
গ Scanner
ঘ None of these
A light sensitive device that converts drawing , Printed text or other images into digital form is
ক Keyboard
খ Plotter
গ Scanner
ঘ None of these
A light sensitive device that converts drawing, printed next or other images into digital form is -
ক Keyboard
খ Plotter
গ Scanner
ঘ None of these

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