Computer Networking The OCR reading unit attached to a POS terminal is called a cursor light pen wand All of these None of these cursor light pen wand All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking Which of the following is an advantage to using fiber optics data transmission? All of these few transmission errors resistance to data theft fast data transmission rate low noise level All of these few transmission errors resistance to data theft fast data transmission rate low noise level ANSWER DOWNLOAD EXAMIANS APP
Computer Networking How many Character per sec(7bits + 1parity) can be transmitted over a 2400 bps line if the transfer is synchronous (1 "Start" and 1 "stop" bit)? 250 240 300 275 250 240 300 275 ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The communication mode that supports data in both directions at the same time is simplex half-duplex full-duplex multiplex None of these simplex half-duplex full-duplex multiplex None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Networking The term 'duplex' refers to the ability of the data receiving stations to echo back a confirming message to the sender. In full duplex data transmission, both the sender and the receiver can do one way data transmission only cannot talk at once can send or receive data one at a time None of these can receive and send data simultaneously can do one way data transmission only cannot talk at once can send or receive data one at a time None of these can receive and send data simultaneously ANSWER DOWNLOAD EXAMIANS APP
Computer Networking To avoid transmission errors, a check figure is calculated by the transmitting computer receiving computer both A and B Start and stop bit None of these transmitting computer receiving computer both A and B Start and stop bit None of these ANSWER DOWNLOAD EXAMIANS APP
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