In DBMS FD stands for _______


Options: a. Facilitate data b. Functional data c. Facilitate dependency d. Functional dependency

Ans:– d ,






More Database Systems Related questions:


. The Stepped Reckoner was invented by

Options: A) John Napier B) William Oughtred C) Gottfried Leibnitz D) Blaise Pascal

Ans:C,C


What type of failure occurs when Oracle fails due to an operating system or computer hardware failure?
Options: Application failure,    Instance Failure,    Media Failure,    Rollback failure

Ans:B ,B


Which command loads a new version of the Cisco IOS into a router?
Options: copy flash ftp,    copy ftp flash,    copy flash tftp,    copy tftp flash

Ans:D ,D


An encoder:
Options: is used to send telegraph signals,    converts an input to a binary number,    converts a binary number to a decimal number.,    can have only four keys

Ans:B ,B


The Data flow diagram (DFD) shows;
Options: the flow of data,    the processes,    the areas where they are stored.,    All of the above

Ans:D ,D


. Selecting text means, selecting?
Options: a. a word b. an entire sentence c. whole document d. any of the above

Ans: –  D , –  D


  Slides can have
Options: title, text, graphs B. drawn objects, shapes C. clipart, drawn art, visual D. any of the above

Ans:– D ,


Which of the following special shell variables is used to process number of the last background job?
Options: $!,    $#,    $0,    $*

Ans:A ,A


What's the best way to protect your hard drive data?
Options: regular backups,    periodically defrag it,    run chkdsk at least once a week,    run scandisk at least once a week

Ans:A ,A


Personnel who design, program, operate and maintain computer equipment refers to
Options: Console-operator,    Programmer,    Peopleware,    System Analyst

Ans:C ,C


. Hard disk is coated in both sides with
Options: A) Magnetic metallic oxide B) Optical metallic oxide C) Carbon layer D) All of the above

Ans:6-A,6-A


Robots can increase productivity because:
Options: they do not take a vacation,    they do not get tired,    production quality is uniform,    All of the above

Ans:D ,D


What kind of device is a diode?
Options: Bilateral,    Linear,    Nonlinear,    Unipolar

Ans:C ,C


The object definition language (ODL) is which of the following?
Options: Used to develop logical schemas,    A data definition language for OODB,    A method to implement a logical schema,    All of the above.

Ans:D ,D


LILO
Options: stands for Linux loader,    is the Linux boot loader,    is a tool used to boot the Kernel on x86 hardware,    All of the above

Ans:D ,D


Which command is used to copy a file wb with the same name from the programs directory to the misc directory?
Options: copy programs/wb misc/wb,    cp programs/wb misc,    tar programs/wb misc/wb,    copy a:programs/wb b:misc/wb

Ans:B ,B


________ is considered to be one of the foundations of data access in the Microsoft world.
Options: ODBC,    OLE DB,    JPCD,    ADO

Ans:B ,B


. Which of the following is not a valid Zoom percentage in Excel?
Options: a. 10 b. 100 c. 300 d. 500

Ans:– d,– d


. Which of the following is NOT possible when printing Forms?
Options: a. Print page 1, 3, and 5 b. Print pages 1 through 5 c. Print selected records d. Print only the third record

Ans:5 – a ,5 – a


The device that assembles groups of characters into complete messages prior to their entering the CPU is called:
Options: a compiler,    an interpreter,    a communications processor,    an editor

Ans:C ,C


Which language was devised by Dr. Seymour Aubrey Papert?
Options: APL,    COBOL,    LOGO,    FORTRAN

Ans:C ,C


A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have?
Options: 310 Ohm,    400 Ohm,    410 Ohm,    550 Ohm

Ans:C ,C


Computer Operators
Options: Write computer programs for specific problems,    Operate the devices which input and output data from the computer,    Normally require a college degree in computer science,    All of the above

Ans:B,B


The SJF algorithm executes first the job
Options: that last entered the queue,    that first entered the queue,    that has been in the queue the longest,    with the least processor needs

Ans:D ,D


Off-line operation is the operation of devices without the control of
Options: Memory,    CPU,    ALU,    Control unit

Ans:B,B


X.21 is
Options: a method of determining which device has access to the transmission medium at any time,    a method access control technique for multiple-access transmission media,    a very common bit-oriented data link protocol issued by ISO,    network access standard for connecting stations to a circuit-switched network

Ans:D ,D


. Which of the field has width 8 bytes?
Options: a. Memo b. Number c. Date/time d. Hyperlink

Ans:2 – c ,2 – c


Invoices are deleted from the invoice detail file by the
Options: cash receipts subsystem,    execution procedures of accounts,    sales analysis system,    All of the above

Ans:A ,A


The memory allocation scheme subject to "external" fragmentation is
Options: segmentation,    swapping,    pure demand paging,    multiple contiguous fixed partitions

Ans:A ,A


To set up a bulletin board system you need
Options: a smart modem with auto-answer capabilities,    a telephone line,    a personal computer,    All of the above

Ans:D ,D


Which command would you place on interface connected to the Internet?
Options: ip nat inside,    ip nat outside,    ip outside global,    ip inside local

Ans:B ,B


Which of the following best describes a computer-based information system?
Options: A system in which a computer is used to turn data into information,    Inputting data,    Processing data,    Performing complex mathematical calculations

Ans:A,A


Which of the following command lists the last 10 lines of a file?
Options: grep,    tail,    head,    cat

Ans:B ,B


A common way to take x, y coordinates off a drawing is to use a
Options: light pen,    digitiser,    Direct view storage tube (DVST),    Tablet

Ans:B ,B


Which of the following is true of a network structure?
Options: a. It is a physical representation of the data b. It allows a many-to-many relationship c. It is conceptually simple d. It will be dominant data base of the future

Ans:. b ,. b


The four icons used in building Data Flow Diagram are
Options: Flow, Source, Store, Process,    Flow, Process, Source, Store,    Flow, Process, Source/Destination, Store,    Source, Process, Destination, Store

Ans:C ,C


. Which of the following is not electro-mechanical computer?
Options: A) Mark I B) ABC C) Zuse D) UNIVAC

Ans:7-D,7-D


The list of coded instructions is called
Options: Computer program,    Algorithm,    Flowchart,    Utility programs

Ans:A,(Aanswer


How can you quickly reinstate a deleted footer placeholder in master view?
Options: a. Create a new slide master b. Re-apply the footer placeholder c. Re-apply the slide layout d. All of the above

Ans: – B , – B


You can select a single range of cells by
Options: a. Clicking the upper-left cell in a group of cells and then pressing the Shift key while clicking the lower right cell in a group of cells b. Pressing the Ctrl key while dragging over the desired cells c. Pressing the Shift key and an arrow key d. Dragging over the desired cells

Ans:#8211; d,#8211; d


If the period of a sine wave is 0.001 second, the frequency of the sine wave is:
Options: 0.001 Hz,    1,000 Hz,    10,000 Hz,    10 Hz

Ans:B ,B


. Which of the following Data Type is used to store picture in MS Access
Options: a. Picture b. OLE Object c. Memo d. Picture cannot be stored

Ans:– b,– b


Which of the following is used as a primary storage device?
Options: Magnetic drum,    PROM,    Floppy disk,    All of the above

Ans:B ,B


If the English Philosopher Thomas Hobbes could be called 'grandfather' of artificial intelligence, then who could be called its father?
Options: A.M. Turning,    John McCarthy,    Allen Newell,    Herbert Simon

Ans:A ,A


Which of the following helps to reduce spelling error in the document?
Options: Auto Format B. Auto Correct C. Smart Tags D. Auto Text

Ans:– B ,


3. Which is valid extension that user creates on operating system?
Options: a. Exe b. Com c. Sys d. Bat

Ans:Correct Answer: d,Correct Answer: d


. Excel displays the current cell address in the ……….
Options: a. Formula bar b. Status Bar c. Name Box d. Title Bar

Ans:– c,– c


Which of the following is a read only memory storage device?
Options:  Floppy Disk B.  CD-ROM      C.  Hard Disk D.  None of these

Ans:– B ,


An input device which can read characters directly from an ordinary piece of paper is
Options: OCR,    OMR,    MSI,    POS

Ans:A ,A


. What do you mean by one to many relationship between student and class table?
Options: a. One student can have many classes b. One class may have many student c. Many classes may have many students d. Many students may have manu classes

Ans:0 – a ,0 – a

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