The invention of the transistor, or semiconductor, was one of the most important developments leading to the personal computer revolution. What company invented the transistor in 1947?


Options: International Business Machines,    MITS,    Xerox,    Bell Laboratories

Ans:D,D






More technology Related questions:


The isotope of uranium capable of sustaining chain reaction is
Options: U-235,    U-245,    U-239,    U-238

Ans:A,A


Photosynthesis generally takes place in which parts of the plant?
Options: Leaf and other chloroplast bearing parts,    stem and leaf,    Roots and chloroplast bearing parts,    Bark and leaf

Ans:A,A


Kanishka was
Options: the king of Kushan dynasty,    a great conqueror but later became a follower of Buddha,    the only ruler of India whose territory extended up to central Asia,    All of the above

Ans:D,D


Olympic Games after 4th century A.D. restarted from
Options: 1916,    1912,    1904,    1896

Ans:D,D


The typical area of sal forest in the Indian peninsular upland occurs
Options: on the western ghats,    between the Tapti and the Narmada,    to the north-east of the Godavari,    on the Malwa plateau

Ans:D,D


Which is/are the important raw material(s) required in cement industry?
Options: Gypsum and Clay,    Clay,    Limestone and Clay,    Limestone

Ans:C,C


Which of the following countries won the final of the triangular cricket series held in durban in februarry 1997?
Options: India,    New zealand,    South africa,    Zimbabwe

Ans:C,C


Mica is used in electrical appliances such as electric iron because mica is
Options: a good conductor of heat but a bad conductor of electricity,    a bad conductor of heat but a good conductor of electricity,    a good conductor of heat as well as electricity,    a bad conductor of heat as well as electricity

Ans:A,A


Satyajit Ray received Magsaysay Award for journalism, literature and creative communication arts in
Options: 1963,    1965,    1966,    1967

Ans:D,D


The initial increase of magnetic field in magnetic storms is caused
Options: when the shock wave, associated with the gusty solar wind, compresses the magnetosphere,    when there is a large decrease in field intensity,    when the gust wind itself engulfs the magnetosphere,    None of the above

Ans:A,A


Where is the National Institute of Virology situated?
Options: Pune,    Delhi,    Kolkata,    Madras

Ans:A,A


The heat energy produced when the human body metabolises 1 gram of fat is
Options: 30 KJ,    1 KJ,    39 KJ,    29 KJ

Ans:C,C


What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?
Options: Microwave oven,    Remote control,    VCR,    Calculator

Ans:B,B


The original founders of Common wealth of Independent States, in December 1991, are
Options: Tadjikistan, Khirghizia and Turkemenistan,    Armenia, Georgia and Azerbaijan,    Russia, Ukraine and Byelorus,    Moldavia, Khazakhastan and Uzbekistan

Ans:C,C


Atoms are composed of
Options: electrons and protons,    electrons only,    protons only,    electrons and nuclei

Ans:D,D


What do African-American football players Ernie Davis, Archie Griffin, and Tony Dorsett have in common?
Options: They all played for Pittsburgh,    They all won the Heisman Trophy,    They all led to Super Bowl titles,    They dont have any similarity

Ans:B,B


who is Miss Universe 2017
Options: Kevin Lillianan, Iris Mittenaere ,Stephanie Del Valle,Manushi

Ans:Kevin Lilliana ( France) [Held at - jpan],Kevin Lilliana


The process where the particle moves from the surface to the medium in quick, continuous, repeated cycles is called
Options: saltation,    suspension,    traction,    solution

Ans:A,A


The region that has a typical dispersed rural settlement pattern is the
Options: Kerala coastal plain,    western Ganga plain,    eastern Rajasthan,    Telengana plateau

Ans:A,A


Experts say the healthiest way to view a computer monitor is by...
Options: Placing it 18 to 30 inches away from your eyes,    Viewing from a darkened room,    Adjusting the screen for maximum contrast,    Using special glasses that filter out UV rays

Ans:A,A


Susi Susanti, held the Grand Slam title in which of the following games
Options: Lawn Tennis,    Tennis,    Badminton,    volley ball

Ans:C,C


Who wrote 'War and Peace'?
Options: Leo Tolstoy,    Mahatma Gandhi,    Charles Dickens,    Kipling

Ans:A,A


The number of waves made by an electron moving in an orbit having maximum magnetic quantum number is +3
Options: 4,    5,    2,    zero

Ans:A,A


What is the population density of Nagaland?
Options: 120/sq. km,    220/sq. km,    320/sq. km,    420/sq. km

Ans:A,A


The Parliament enjoys legislative power over subjects in
Options: the union list only,    the concurrent list only,    both union and concurrent list,    all the three lists, viz. union list, state list and the concurrent list

Ans:C,C


The gulf that separates Finland and Sweden in Europe is
Options: the Gulf of Bothnia,    the Gulf of Lions,    the Gulf of Genoa,    the Gulf of Venice

Ans:A,A


Where is the permanent secretariat of the SAARC?
Options: Kathmandu,    New Delhi,    Islamabad,    Colombo

Ans:A,A


The islands with coral covered surfaces in Bay of Bengal are
Options: Andaman islands,    Nicobar islands,    both (a) and (b),    None of the above

Ans:B,B


Where is the Judicature of Orissa?
Options: Bhubaneswar,    Cuttack,    Both,    None of the above

Ans:B,B


Until Victorian times, chocolate was thought of as a drink. When did the first chocolate bar appear?
Options: 1828,    1831,    1825,    There is no sure date

Ans:D,D


The Olympic museum was opened at which of the following places?
Options: Lausanne,    Istanbul,    Athens,    Rome

Ans:A,A


Which state Government of India has instituted the Samman Award?
Options: Uttar Pradesh,    Himachal Pradesh,    Madhya Pradesh,    Andhra Pradesh

Ans:C,C


Who is the English physicist responsible for the 'Big Bang Theory'?
Options: Albert Einstein,    Michael Skube,    George Gamow,    Roger Penrose

Ans:C,C


The term 'regur' refers to
Options: deltaic alluvial soils,    lateral soils,    black cotton soils,    red and yellow soils

Ans:C,C


Who co-founded Hotmail in 1996 and then sold the company to Microsoft?
Options: Shawn Fanning,    Ada Byron Lovelace,    Sabeer Bhatia,    Ray Tomlinson

Ans:C,C


The heavy day soils that show significant expansion and contraction due to the presence or absence of moisture is called
Options: aridsols,    vertisols,    histosols,    andisols

Ans:B,B


When the Aryans advanced towards India reaching the Ganges and the Yamuna rivers? It was the time of rise of Ganges Civilization.
Options: 2200 BC,    1200 BC,    2000 BC,    1500 BC

Ans:D,D


Isotopes are separated by
Options: crystallisation,    sublimation,    distillation,    filtration

Ans:C,C


The time at a place is determined by
Options: the parallels of longitude,    the parallels of latitude,    distance from equator,    distance from prime meridian

Ans:A,A


Sun Temple is situated at?
Options: Konark,    Bangalore,    Haridwar,    Kerala

Ans:A,A


The major cause of species extinction is
Options: agricultural activities,    extraction (including mining, fishing, logging),    development (human settlements, industry),    habitat loss and degradation

Ans:D,D


National Anthem was first sung on
Options: December 27, 1911 during the Indian National Congress Session at Calcutta,    January 24, 1950 by the Constituent Assembly of India,    January 26, 1959 by the Government of India,    None of the above

Ans:A,A


Ricky Ponting is also known as what?
Options: The Rickster,    Ponts,    Ponter,    Punter

Ans:D,D


Diamond is an allotropic form of
Options: germanium,    carbon,    silicon,    sulphur

Ans:B,B


Entomology is the science that studies
Options: A. Behavior of human beings B. Insects C. The origin and history of technical and scientific terms D. The formation of rocks

Ans:,Insects


The variety of coal in which the deposit contains recognisable traces of the original plant material is
Options: bitumen,    anthracite,    lignite,    peat

Ans:D,D


Large astronomical telescopes always use as objective
Options: lens,    mirror,    combinations of lenses,    None of the above

Ans:C,C


The term 'Caddle' is associates with which sports?
Options: Golf,    Billiards,    Polo,    Bridge

Ans:A,A


Once the active medium is excited, the first photons of light are produced by which physical process?
Options: Blackbody radiation,    Spontaneous emission,    Synchrotron radiation,    Planck’s oscillation

Ans:B,B


The absorption of ink by blotting paper involves
Options: viscosity of ink,    capillary action phenomenon,    diffusion of ink through the blotting,    siphon action

Ans:B,B

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