Computer science is the study of processes that interact with data and that can be represented as data in the form of programs. It enables the use of algorithms to manipulate, store, and communicate digital information. A computer scientist studies the theory of computation and the design of software systems.
Q.Which operating system is developed by Apple?
Ans: Mac OS
⇒ macOS is a series of proprietary graphical operating systems developed and marketed by Apple Inc. since 2001. It is the primary operating system for Apple’s Mac computers. Within the market of desktop, laptop and home computers, and by web usage, it is the second most widely used desktop OS, after Microsoft Windows.
Q. Who invented Java?
Ans: James Gosling
⇒ James Arthur Gosling, often referred to as “Dr. Java”, OC (born May 19, 1955) is a Canadian computer scientist, best known as the founder and lead designer behind the Java programming language.
Q. Charles Babbage designed the first mechanical computer named:
Ans: Analytical Engine
⇒ Computer was invented by Charles Babbage. The First Mechanical Computer Designed by Charles Babbage, a British mathematician was called as Analytical Engine which resembles today’s modern machines between 1833 and 1871.
Q. Word ‘Interpreter’ is related to:
Ans: Programming Languages
⇒ Interpreter is a program that executes instructions written in a high-level language. There are two ways to run programs written in a high-level language. The most common is to compile the program; the other method is to pass the program through an interpreter.
Q. What is full form of MBR?
Ans: Master Boot Record
⇒ The Master Boot Record (MBR) is the information in the first sector of any hard disk or diskette that identifies how and where an operating system is located so that it can be boot (loaded) into the computer’s main storage or random access memory.
Q. A computer must have which software?
Ans: Operating system
⇒ An operating system (OS) is system software that manages computer hardware, software resources, and provides common services for computer programs. An Operating System (OS) is an interface between a computer user and computer hardware. An operating system is a software which performs all the basic tasks like file management, memory management, process management, handling input and output, and controlling peripheral devices such as disk drives and printers.
Q. Terms Compiler is related to:
Ans: Programming Language
⇒ A compiler is a computer program that translates computer code written in one programming language into another language. The name compiler is primarily used for programs that translate source code from a high-level programming language to a lower level language to create an executable program.
Q. DNS is the abbreviation of?
Ans: Domain Name System
⇒ The Domain Name System is a hierarchical and decentralized naming system for computers, services, or other resources connected to the Internet or a private network. It associates various information with domain names assigned to each of the participating entities.
Q. Who is the founder of Apple Computers?
Ans: Steve Jobs
⇒ Steven Paul Jobs was an American business magnate, industrial designer, investor, and media proprietor. He was the chairman, chief executive officer (CEO), and co-founder of Apple Inc., the chairman and majority shareholder of Pixar, a member of The Walt Disney Company’s board of directors following its acquisition of Pixar, and the founder, chairman, and CEO of NeXT. Jobs is widely recognized as a pioneer of the personal computer revolution of the 1970s and 1980s, along with Apple co-founder Steve Wozniak.
Q. Who invented Linux operating system?
Ans: Linus Torvalds
⇒ Linus Benedict Torvalds is a Finnish–American software engineer who is the creator and, historically, the principal developer of the Linux kernel, which is the kernel for Linux operating systems and other operating systems such as Android and Chrome OS.