Computer Science/IT MCQs
Topic Notes: Computer Science/IT
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
5601
What is the function of an IP address?
Answer:
To provide a unique numerical label for a device on a network
An Internet Protocol (IP) address is a numerical label assigned to each device connected to a computer network that uses the Internet Protocol for communication. It serves two main functions: host or network interface identification and location addressing.
5602
Which of the following programming languages was initially designed and widely utilized for pioneering research in Artificial Intelligence?
Answer:
LISP
LISP (LISt Processing) was developed by John McCarthy in 1958 at MIT, specifically for artificial intelligence research. Its distinctive features, such as symbolic computation, dynamic typing, and a powerful macro system, made it exceptionally well-suited for manipulating symbolic data and complex data structures, which are fundamental to AI tasks like natural language processing, expert systems, and automated reasoning. While FORTRAN (Formula Translation) was significant for scientific and engineering computations and C was crucial for systems programming, neither was fundamentally designed with AI as its primary focus. Pascal, though important for teaching structured programming, also did not have the symbolic manipulation capabilities inherent in LISP that made it the predominant language for AI development for several decades after its inception.
5603
The R programming language is most widely used in which professional field?
Answer:
Statistics and Data Science
R is a programming language and free software environment for statistical computing and graphics. It is extensively used by statisticians, data miners, and data scientists for developing statistical software and data analysis.
5604
What technology was central to third-generation computers?
Answer:
Integrated Circuits
Third-generation computers utilized integrated circuits, improving speed and efficiency. [cite: 178]
5605
Who is often referred to as the "Father of the Computer" for his conceptual design of the Analytical Engine?
Answer:
Charles Babbage
Charles Babbage, a 19th-century English mathematician, originated the concept of a programmable digital computer. His Analytical Engine design contained all the essential components of a modern computer, including an arithmetic logic unit and control flow.
5606
Who led the team that created the first commercially successful personal computer, the Apple II?
Answer:
Steve Jobs and Steve Wozniak
Steve Jobs and Steve Wozniak co-founded Apple Computer, Inc. and launched the Apple II in 1977. Its user-friendly design and features made it one of the first highly successful mass-produced microcomputers.
5607
Herman Hollerith developed a tabulating machine that used punch cards to process data for the:
Answer:
1890 US Census
Hollerith's invention was created to process the massive amount of data collected for the 1890 US Census. His company later became one of the entities that merged to form IBM.
5608
What language, created by Netscape, quickly became the standard for adding interactivity to web pages in browsers?
Answer:
JavaScript
JavaScript was created by Brendan Eich at Netscape in 1995. Despite its similar name, it is distinct from Java. It was designed to be a lightweight scripting language for client-side web development.
5609
Which language was developed at Bell Labs alongside the Unix operating system and remains one of the most influential languages ever created?
Answer:
C
C was developed by Dennis Ritchie at Bell Labs between 1972 and 1973. It was created to re-implement the Unix operating system and has since become one of the most widely used programming languages of all time.
5610
Gordon Moore's 1965 observation, widely known as Moore's Law, describes the consistent trend in microchip development where the number of transistors on an integrated circuit approximately performs which of the following actions every two years?
Answer:
Doubles
Moore's Law, first articulated by Intel co-founder Gordon Moore in 1965, is a seminal observation in the field of computing. It posits that the number of transistors that can be affordably placed on an integrated circuit doubles approximately every two years. This exponential growth in transistor density has been a driving force behind the rapid advancements in computing power, miniaturization, and cost reduction of electronic devices over several decades. While the exact timeline has seen slight variations over the years, the core principle of exponential growth in transistor count has largely held true, profoundly impacting technological progress.