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

Binary logic resembles binary arithmetic and the operation OR, and AND has some similarities with arithmetic addition and multiplication respectively

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. 

Explanation

The basic function performed by a computer is execution of a program.

Taking data and instructions from a user, processing the data as per instructions, and displaying or storing the processed data, are the four major functions of a computer.