Explanation

Scanner converts hardcopy into softcopy while Printer converts softcopy into hardcopy. 

Explanation

An overloaded function is really just a set of different functions that happen to have the same name. The determination of which function to use for a particular call is resolved at compile time.

Explanation

Lifetime of a variable is the time for which the variable is taking up a valid space in the system's memory.

Explanation

In computer programming, a function prototype or function interface is a declaration of a function that specifies the function's name.

Explanation

The basic digital electronic circuit that has one or more inputs and single output is known as Logic gate. 

Explanation

The true potential of optical fiber is fully exploited when multiple beams of light at different frequencies are transmitted on the same fiber. 

Explanation

The long-distance carrier system provided in the United States of America and throughout the world is designed to transmit voice band signals over high-capacity transmission links, such as coaxial cable and microwave systems. 

Long-distance coaxial cable systems were introduced in the United States in 1946

Explanation

Long-haul, terrestrial optical fiber networks connect cities and countries throughout the world.

Explanation

Long haul installation connects one central office, or data center, to another.

Explanation

Error Control in the data link layer is a process of detecting and retransmitting the data which has been lost or corrupted during the transmission of data.