What Elisha Otis invented?


Options: The brake used in modern elevators,    Jet Engine,    Turbine,    Hydraulic Crane

Ans:A,A

More inventions Related questions:


In the DOS memory model, the HIGH Memory Area (HMA). is the _____ memory.
Options: Last 64k of conventional,    Last 64k of extended,    First 64k above conventional,    First 64k of extended

Ans:D ,D


. What is the symbol for dividing? A ./ B. % C. & D. #
Options: A ./ B. % C. & D. #

Ans:– A ,/


Where is the 'National Remote Sensing Agency' situated?
Options: Shadnagar,    Bangalore,    Chennai,    Dehradun

Ans:A,A


Which command sends the word count of the file infile to the newfile.
Options: wc infile >newfile,    wc <infile >newfile,    wc infile - newfile,    wc infile | newfile

Ans:A ,A


If you write criteria values vertically (one in a row) it will mean
Options: a. OR conditions b. AND conditions c. NOT condition d. None of above

Ans:ndash; a,ndash; a


To connect a computer with a device in the same room, you might be likely to use
Options: a coaxial cable,    a dedicated line,    a ground station,    All of the above

Ans:A ,A


In an atomic explosion, enormous energy is released which is due to
Options: conversion of chemical energy into heat energy,    conversion of mechanical energy into nuclear energy,    conversion of mass into energy,    conversion of neutrons into protons

Ans:C,C


4.The modify operation is likely to be done after
Options: (A)delete (B) look up (C) insert (D) all of above 11

Ans:114. (B),114. (B)


0.If every node u in G is adjacent to every other node v in G, A graph is said to be
Options: (A)Isolated (B) Complete (C) Finite (D) Strongly connected 1

Ans:10. (B),10. (B)


4.In Excel without using the mouse or the arrow keys, what is the fastest way of getting to cell A1 in a spreadsheet?
Options: (A)Press Ctrl +Home (B) Press Home (C) Press Shift + Home (D) Press Alt + Home 16

Ans:164. (A),164. (A)


8.In Microsoft PowerPoint the key deletes text before, or the left of, the insertion point
Options: (A)Backspace (B) Page up (C) Delete (D) Page down 13

Ans:138. (A),138. (A)


What is laughing gas?
Options: Nitrous Oxide,    Carbon monoxide,    Sulphur dioxide,    Hydrogen peroxide

Ans:A,A


The term 'polling' in a computer means a process by which a computer system
Options: detects/corrects errors,    multiplexes the inputs and updates the memory accordingly,    decides correct alternative by analysing several ones,    inquires to see if a terminal has any transaction to send

Ans:D ,D


In which type of RAID, data is mirrored between two disks.
Options: RAID 0 B. RAID 1 C. RAID 2 D. RAID 3

Ans:– B ,


. When you insert an Excel file into a Word document, the data are
Options: a. Hyperlinked b. Placed in a word table c. Linked d. Embedded

Ans:– b,– b


The sulphites are a mineral group that contain one or more metallic elements in combination with the sulphate compound ____
Options: SO3,    SO2,    SO4,    SO

Ans:C,C


Point out the error in the following program. #include<stdio.h> #include<stdlib.h> int main() { char *ptr; *ptr = (char)malloc(30); strcpy(ptr, "RAM"); printf("%s", ptr); free(ptr); return 0; }
Options: Error: in strcpy() statement.,    Error: in *ptr = (char)malloc(30);,    Error: in free(ptr);,    No error

Ans:B ,B


Conversion of hexadecimal number 1D7F16 to a decimal number is
Options: 755110,    877110,    555710,    778110

Ans:A ,A


What is the wavelength of visible spectrum?
Options: 8500 - 9800 angstrom,    7800 - 8000 angstrom,    3900 - 7600 angstrom,    1300 - 3000 angstrom

Ans:C,C


Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?
Options: ls -F -x,    ls -l,    ls ~ x,    Ip

Ans:A ,A


  Which view in Power Point can be used to enter Speaker Comments?
Options: Normal B. Slide Show C. Slide Sorter D. Notes Page view

Ans:– D ,


A person who has a high-school diploma would be least likely to obtain which of the following jobs?
Options: data-entry operator,    librarian,    computer operator,    programmer

Ans:D ,D


The Mistral is
Options: very cold wind, which blows down from the plateau of central France,    swift, dry, cold northerly wind that blows down from the western Alps and the plateau of Southern France and out over the Mediterranean,    wind that blows for 100 days a year and may cause extensive frost damage to plants,    All of the above

Ans:D,D


Which one of the following is responsible for the stimulating effect of tea?
Options: NA

Ans:Alkaloid,Alkaloid


CHKDSK command is used to
Options: a. Analyze the hard disk error b. Diagnose the hard disk error c. Report the status of files on disk d. All of the above

Ans:Correct Answer: d ,Correct Answer: d


The three key elements for a graphics workstation include the host processor, display controller, and:
Options: mouse,    keyboard,    CRT,    digitizer

Ans:C ,C


Which of the following is correct for a gated D-type flip-flop?
Options: The Q output is either SET or RESET as soon as the D input goes HIGH or LOW.,    The output complement follows the input when enabled.,    Only one of the inputs can be HIGH at a time.,    The output toggles if one of the inputs is held HIGH.

Ans:A ,A


. Which command used to delete all files from current directory?
Options: a. Del, ,b. Deltree/y * ,c. Del *.* , d. All of the above

Ans:4 – c ,4 – c


Magnetism at the centre of a bar magnet is
Options: minimum,    maximum,    zero,    minimum or maximum

Ans:C,C


How many outputs signals can a gate have?
Options: one,    more than one,    two only,    both (a) and (b)

Ans:A ,A


.  Macros can recover from _______ in a controlled manner.
Options: a.            events b.           modules c.           arguments d.            errors

Ans:– a,– a


. CHKDSK command
Options: a. Check the disk b. Dos command c. Give information about disk d. All of the above

Ans:6 – d ,6 – d


6.Which of the following toolbars provide different options in various master views?
Options: (A)Common tasks toolbar (B) Drawing toolbar (C) Formatting toolbar (D) Standard toolbar 8

Ans:86. (A),86. (A)


The last major glacial period began about 2,000,000 years before present and is commonly known as
Options: Pleistocene or ice age,    Paleocene or ice age,    Pliocene or ice age,    Holocene or ice age

Ans:A,A


Sometimes computers and cache registers in a foodmart are connected to a UPS system. What does UPS mean?
Options: United Parcel Service,    Uniform Product Support,    Under Paneling Storage,    Uninterruptable Power Supply

Ans:D,D


. What is the symbol for multiplying?
Options: a. > b. / c. ! d. *

Ans:– d,– d


47. kshetraphal kee drshti se bhaarat mein sabase chhota raajy kaun–sa hai?
Options: NA

Ans: gova, gova


Most abundant tissues of our body are
Options: muscular,    connective,    epithelial,    nervous

Ans:B,B


What is a GPU?
Options: Grouped Processing Unit,    Graphics Processing Unit,    Graphical Performance Utility,    Graphical Portable Unit

Ans:B,B


A modulator converts a _____ signal to a(n) _____ signal.
Options: FSK; PSK,    PSK; FSK,    analog; digital,    digital; analog

Ans:D ,D


5.Thrashing
Options: (A)the high paging activity (B) is spending more time in paging than executing (C) both A and B above (D) none of the above 27

Ans:275. (C),275. (C)


A microprocessor is:
Options: controlled by a program,    an integrated circuit,    relatively inexpensive,    All of the above

Ans:D ,D


The most prominent system in the retail sales industry is the _____ system.
Options: POS (point-of-scale),    COBOL,    ACM,    PC/XT

Ans:A ,A


Binwa JVP
Options: kangra, kinnaur, lahaul spiti, kullu

Ans:Kangra,Kangra


Which of the following is a storage device?
Options: Tape B. Hard Disk C. Floppy Disk D. All of the above

Ans:– D ,


In which decade was the telephone invented?
Options: 1850s,    1860s,    1870s,    1880s

Ans:C,C


Gaj JVP
Options: kangra, chamba, lahul, kinnaur

Ans:Kangra,Kangra


The memory which is ultraviolet light erasable and electrically programmable is
Options: ROM,    PROM,    RAM,    EPROM

Ans:D ,D


The working principles of today's computers were provided by an English mathematician
Options: Charles Babbage,    Dr. Hollerith,    Donald Reach,    Ken Reider

Ans:A ,A


In SQL, which command is used to remove a stored function from the database?
Options: REMOVE FUNCTION,    DELETE FUNCTION,    DROP FUNCTION,    ERASE FUNCTION

Ans:C ,C

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