The invention of the slide rule is attributed to


Options: Babbage,    Oughtred,    Pascal,    Napier

Ans:B,B






More Computer Fundamental Related questions:


Which of the following is an important characteristic of LAN?
Options: application independent interfaces,    unlimited expansion,    low cost access for low bandwidth channels,    parallel transmission

Ans:A ,A


What type of join is needed when you wish to return rows that do have matching values?
Options: Equi-join,    Natural join,    Outer join,    All of the above.

Ans:D ,D


.Which of the following case does not exist in complexity theory
Options: A)Best case b.Worst case c.Average case d.Null case

Ans:D,D


When is the risk for electrostatic discharge the greatest?
Options: Day time,    High humidity,    Low humidity,    Night time

Ans:C ,C


What do you call ‘a collection of character and paragraph formatting commands’?
Options: the defaults B. a template C. a style D. a boilerplate

Ans:– C ,


To create a new table, in which method you don’t need to specify the field type and size?
Options: a. Create table in Design View b. Create Table using wizard c. Create Table by Entering data d. All of above

Ans:dash; c,dash; c


Which of the following modifications may not succeed?
Options: Changing a column data type from char to date,    Changing a column data type from numeric to char,    Both of the above actions should succeed.,    Neither of the above actions will succeed.

Ans:A ,A


______________ is a classical approach to database design?
Options: Left – Right approach B. Right – Left approach C. Top – Down approach D. Bottom – Up approach

Ans:– C ,


The microcomputer, Intel MCS-80 is based on the widely used Intel
Options: 8080 microprocessor,    8085 microprocessor,    8086 microprocessor,    8082 microprocessor

Ans:A,(Aanswer


Data are allowed to be transmitted in only one direction in a:
Options: simplex channel,    dumb channel,    half-duplex channel,    full-duplex channel

Ans:A ,A


In laser printing, there are six steps the printer follows. What comes between the conditioning phase and the developing phase?
Options: transfer phase,    writing phase,    fusing phase,    cleaning phase

Ans:B ,B


The word processing task associated with changing the appearance of a document is
Options: A) Editing B) Writing C) Formatting D) All of above

Ans:-C,-C


HIPO
Options: is a forms-driven technique in which standard forms are used to document the information,    consists of a hierarchy chart and an associated set of input/process/ output charts,    captures the essence of top down decomposition.,    All of the above

Ans:D ,D


You should never put floppy drives, hard drives, or even VCR tapes or cassette tapes on top of speakers (or near any other source of magnetism) because of:
Options: RFI,    EMI,    EXE,    FYI

Ans:B ,B


SQL*Plus will finish the statement and execute it when the user types in this:
Options: A left slash ( \ ) followed by [Enter].,    A colon ( : ) followed by [Enter].,    A semicolon ( ; ) followed by [Enter].,    A period ( . ) followed by [Enter].

Ans:C ,C


What can you use to ensure power is not interrupted, resulting in corrupted data?
Options: UPS,    Propergrounding,    Surge protector,    Sag protector

Ans:A ,A


An adder in which the bits of the operands are added one after another is
Options: Half-adder,    Full-adder,    Serial adder,    All of the above

Ans:C ,C


System Implementation Phase entails
Options: System check outs,    Pilot run,    Parallel runs,    All of the above

Ans:A ,A


Lower-level managers make day-to¬day ______ decisions to schedule and control specific tasks.
Options: operational,    decision,    success,    simulation

Ans:A ,A


A primary key should be defined as:
Options: NULL.,    NOT NULL.,    Either of the above can be used.,    None of the above are correct.

Ans:B ,B


Which of the following are the cheapest memory devices in terms of Cost/Bit?
Options: Semiconductor memories B. Magnetic Disks C. Compact Disks D. Magnetic Tapes

Ans:– C ,


A high-pass filter:
Options: passes lower-frequency signals and reduces higher-frequency signals,    passes higher-frequency signals and reduces lower-frequency signals,    has no effect on ac signals,    increases the level of all frequencies by a significant amount

Ans:B ,B


Programs designed to perform specific tasks is called known as
Options: System software,    Application software,    Utility programs,    Operating system

Ans:B ,B


What will the function randomize() do in Turbo C under DOS?
Options: returns a random number.,    returns a random number generator in the specified range.,    returns a random number generator with a random value based on time.,    return a random number with a given seed value.

Ans:C ,C


The main function(s) of computer in CAD is/are
Options: To serve as an extension to the memory of the designer,    To enhance the analytical and logical power of the designer,    To relieve the designer from routine repetitious tasks.,    All of the above

Ans:D ,D


Which of the following activities, does not belong to the Implementation phase of the SDLC?
Options: File conversion,    Program testing,    User training,    All of the above

Ans:B ,B


First generation computers are characterised by
Options: Vaccum tubes and magnetic drum,    Minicomputers,    Magnetic tape and transistors,    All of the above

Ans:A ,A


The Average case occur in linear search algorithm
Options: a. When Item is somewhere in the middle of the array b. When Item is not in the array at all c. When Item is the last element in the array d. When Item is the last element in the array or is not there at all  

Ans:a,a


The explanation facility of an expert system may be used to:
Options: construct a diagnostic model,    expedite the debugging process,    explain the system's reasoning process,    All of the above

Ans:E ,E


Capacitance is measured in units of:
Options: volts,    amps,    farads,    neutrinos

Ans:C ,C


Inheritance is which of the following?
Options: When a supertype entity inherits values of the subtype attribute,    When a subtype entity inherits values of the supertype attribute,    When a supertype entity inherits values of another supertype attribute,    When a subtype entity inherits values of another subtype attribute

Ans:B ,B


. We need system files to run
Options: a. MS Word b. MS Excel c. MS Dos d. MS Access

Ans:0 – c ,0 – c


. Which of the following cannot be toggled from View >> Toolbars?
Options: a.  Control Toolbox b.  Slides c.  Revisions d.  Reviewing

Ans:5 – B ,5 – B


Probabilities range from
Options: .00 to .1,    .00 to 1.00,    00 to 100,    All of the above

Ans:B ,B


Regarding a VDU, which statement is more correct?
Options: It is an output device,    It is an input device,    It is a peripheral device,    It is a hardware item

Ans:C ,C


At room temperature an intrinsic silicon crystal acts approximately like
Options: a battery,    a conductor,    an insulator,    a piece of copper wire

Ans:C ,C


. A new presentation can be created from
Options: a.  Blank Presentation b.  From Existing Presentation c.  From Design Template d.  All of above

Ans:8 – D ,8 – D


. The purpose of run command in start menu is to
Options: a. Launch internet browser b. Open internet explorer c. Open windows explorer d. Start programs

Ans:2 – d ,2 – d


Dust in a computer actually increases the size of the magnetic fields inside it. This is not good, so you must occasionaiy dust, I trust. What
Options: reverse vacuum,    any small vacuum device,    blow real hard on the system board,    non-static compressed air

Ans:non-static compressed air ,D


93. What is the shortcut key to “Center Align” the selected text?
Options: a. Ctrl + C b. Ctrl + E c. Ctrl + F d. None of above

Ans:–  B ,–  B


When a label is too long to fit within a worksheet cell, you typically must
Options: a. Shorten the label b. Increase the column width c. Decrease the column width d. Adjust the row height

Ans:#8211; b,#8211; b


A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
Options: Modulator,    Demodulator,    Modem,    Decoder

Ans:C,(Canswer


What is the size of a sector?
Options: 512 bytes,    256 bytes,    512 Kb,    1024 bytes

Ans:A ,A


Which of the following is a phase of a compilation process
Options: Lexical analysis,    Code generation,    Both of the above,    Static analysis

Ans:C ,C


Which of the following protocol is/are defined in Transport layer?
Options: FTP B. TCP C. UDP D. B & C

Ans: – D ,


Silicon atoms combine into an orderly pattern called a
Options: Crystal,    Covalent bond,    Semiconductor,    Valence orbit

Ans:A ,A


If you want to have more than one Telnet session open at the same time, what keystroke combination would you use?
Options: Tab+Spacebar,    Ctrl+X, then 6,    Ctrl+Shift+X, then 6,    Ctrl+Shift+6, then X

Ans:D ,D


Name the two persons who were the first to develop a model of the microprocessor chip.
Options: Marcian Ted Hoff,    Victor Poor,    Harry pyle,    Both (b) and (c)

Ans:D,D


Which programming languages are classified as low level languages?
Options: Basic, COBOL, FORTRAN B. Prolog 2, Expert Systems C. Knowledge based Systems D. Assembly Languages

Ans:  – D ,


If no multivalued attributes exist and no partial dependencies exist in a relation, then the relation is in what normal form?
Options: First normal form,    Second normal form,    Third normal form,    Fourth normal form

Ans:B ,B

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