Computer Fundamental Miscellaneous - Study Mode

[#556] What was the name of the first stored program electronic computer which was built in 1949 at Cambridge University in England?
Correct Answer

(B) EDSAC

Explanation

Solution: EDSAC : The Electronic delay storage automatic calculator (EDSAC) was an early British computer. Inspired by John von Neumann's seminal First Draft of a Report on the EDVAC, the machine was constructed by Maurice Wilkes and his team at the University of Cambridge Mathematical Laboratory in England. EDSAC was the second electronic digital stored-program computer to go into regular service. Source : wikipedia.org

[#557] A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
Correct Answer

(A) Super computer

Explanation

Solution: Super computer : A supercomputer is a computer with a high level of performance compared to a general-purpose computer. Performance of a supercomputer is measured in floating-point operations per second (FLOPS) instead of million instructions per second (MIPS).

[#558] A computer program consists of
Correct Answer

(C) Algorithms written in computer's language

Explanation

Solution: Computer program is nothing but an algorithm written in some specific computer's language. Computer doesn't understand English or human language, so computer need its own language that is nothing but programming language.

[#559] An input device which can read characters directly from an ordinary piece of paper is
Correct Answer

(A) OCR

Explanation

Solution: OCR : Optical character recognition (also optical character reader, OCR) is the mechanical or electronic conversion of images of typed, handwritten or printed text into machine-encoded text, whether from a scanned document, a photo of a document, a scene-photo or from subtitle text superimposed on an image. Source : wikipedia.org

[#560] Which of the following is not a part of the CPU
Correct Answer

(C) program unit

Explanation

Solution: CPU contains Arithmetic and Logic Unit, Control Unit and Primary storage i.e. Storage Unit. Hence, Program Unit not a part of the CPU.