Computer Fundamental Miscellaneous - Study Mode

[#931] A dot-matrix printer
Correct Answer

(B) is an output device

Explanation

Solution: Dot Matrix Printers prints output as dots, so it can print any shape of the character. This allows the printer to print special character, charts, graphs, etc. Dot Matrix Printers come under the category of impact printers.

[#932] What was the name of the first commercially available micro-processor chip?
Correct Answer

(C) Intel 4004

Explanation

Solution: The Intel 4004 is a 4-bit central processing unit released by Intel Corporation in 1971. It was the first commercially available microprocessor by Intel, and the first in a long line of Intel CPUs. The chip design started in April 1970, when Federico Faggin joined Intel, and was completed under his leadership in January 1971. The first commercial sale of the fully operational 4004 occurred in March 1971 to Busicom Corp. of Japan for which it was originally designed and built as a custom chip. Source : wikipedia.org

[#933] The term "memory" applies to which one of the following
Correct Answer

(B) Storage

Explanation

Solution: The process of storage, many psychologists use the three-stage model proposed by Richard Atkinson and Richard Shiffrin. According to this model, information is stored sequentially in three memory systems: sensory memory, short-term memory and long-term memory.

[#934] The working principles of today's computers were provided by an English mathematician
Correct Answer

(A) Charles Babbage

Explanation

Solution: The working principles of today's computers were provided by an English mathematician Charles Babbage. Babbage is credited with inventing the first mechanical computer, the Difference Engine, that eventually led to more complex electronic designs, though all the essential ideas of modern computers are to be found in Babbage's Analytical Engine, programmed using a principle openly borrowed from the Jacquard loom.

[#935] A new technology which provides the ability to create an artificial world and have people interact with it is called
Correct Answer

(B) virtual reality

Explanation

Solution: A new technology which provides the ability to create an artificial world and have people interact with it is called virtual reality. Virtual reality (VR) allows the user to experience and interact with a computer-generated environment.