A multi-user operating system allows multiple users to access a computer system at the same time. Although frequently associated with multiprogramming, multiuser operating system does, not imply multiprogramming or multitasking.

Correct Option: A

A multi-user operating system allows multiple users to access a computer system at the same time. Although frequently associated with multiprogramming, multiuser operating system does, not imply multiprogramming or multitasking.

Looping is used in programming to save the tedium of many repetitive tasks. One of the main uses of loops in programs is to carry out repetitive tasks. A loop executes one or more lines of code (statements) as many times as one wants.

Correct Option: C

Looping is used in programming to save the tedium of many repetitive tasks. One of the main uses of loops in programs is to carry out repetitive tasks. A loop executes one or more lines of code (statements) as many times as one wants.

Mark Elliot Zuckerburg is an American computer programmer and internet entrepreneur. He is best known as one of five co-founders of the social networking website Facebook.

Correct Option: D

Mark Elliot Zuckerburg is an American computer programmer and internet entrepreneur. He is best known as one of five co-founders of the social networking website Facebook.

In computer science, LIFO refers to the way items stored in some types of data structures are processed. A LIFO structure can be illustrated with the example of a stack of trays. The term in computing generally refers to the abstract principles of list processing and temporary storage, particularly when there is a need to access the data in limited amounts, and in a certain order.

Correct Option: A

In computer science, LIFO refers to the way items stored in some types of data structures are processed. A LIFO structure can be illustrated with the example of a stack of trays. The term in computing generally refers to the abstract principles of list processing and temporary storage, particularly when there is a need to access the data in limited amounts, and in a certain order.

The Sun Labs skunk works have found the use of computers and networks in the car, using Java, Solaris/Linux, and embedded systems. The car track is embedded with real-time Java sensor technology.

Correct Option: A

The Sun Labs skunk works have found the use of computers and networks in the car, using Java, Solaris/Linux, and embedded systems. The car track is embedded with real-time Java sensor technology.