UML is stands for


Options: Universal Modeling Language B. Unified Modeling Language C. United Modeling Language D. Uni Modeling Language

Ans:– B ,


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More Database Systems Related questions:


Which command is used with vi editor scroll half page backward?
Options: [Control-d],    [Control - u],    [Control-c],    [Control -P]

Ans:B ,B


In a large DBMS
Options: a. each user can "see" only a small part of the entire database b. each subschema contains every field in the logical schema c. each user can access every subschema  

Ans:9. a ,9. a


A variable that has no physical meaning and is used to obtain an initial basic feasible solution to a linear programming problem is known as:
Options: basis,    algorithm,    artificial variable,    basic variable

Ans:D ,D


When mapping a many-to-many unary relationship into a relation which of the following is true?
Options: One relation is created.,    Two relations are created.,    Three relations are created.,    Four relations are created.

Ans:B ,B


Middle-level managers are responsible for making the _____ decisions to allocate resources and establish controls.
Options: strategic,    structured,    simulation,    tactical

Ans:D ,D


When the graph of current versus voltage is a straight line, the device is referred to as
Options: Active,    Linear,    Nonlinear,    Bipolar

Ans:B ,B


The ASCII code for the character J is:
Options: 1001 0001,    1001 1010,    0100 1010,    1010 0001

Ans:C ,C


During the system study, the executive vice-president and the other managers exercise their responsibility of
Options: planning,    controlling,    directing,    organizing

Ans:B ,B


In a pure inductor:
Options: ac current leads the voltage by 90 degree,    ac current and voltage are exactly in phase,    ac current lags the voltage by 90 degree,    ac current is converted to dc voltage

Ans:C ,C


. Primary key is
Options: a. Uniquely identifies each record b. Cannot be repeated c. AutoNumber is example of Primary key d. All of the above

Ans:– d,– d


. An organized collection of logically related data is known as 
Options: a. Data b. Meta data c. Database d. Information

Ans:– c,– c


Which of the following refers to a cursor type that when the cursor is opened, a primary key value is saved for each row in the recordset; when the application accesses a row, the key is used to fetch the current values of the row?
Options: Forward only,    Static,    Keyset,    Dynamic

Ans:C ,C


. Which of the following is not one of the three ‘Mail Merge Helper’ steps?
Options: a. merge the two files b. create the main document c. set the mailing list parameters d. create the data source

Ans:– C,– C


Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?
Options: Supertype entity,    Subtype entity,    Archetype entity,    Instance entity

Ans:B ,B


Which most popular input device used today for interactive processing & for the on line entry of data for batch processing.
Options: Mouse,    Magnetic disk,    Visual display terminal,    Card punch

Ans:C ,C


The necessary conditions needed before deadlock can occur?
Options:  No Mutual Exclusion, Hold and wait, Preemption, Circular Wait B.  Mutual Exclusion, No Hold and wait, Preemption, Circular Wait C.  Mutual Exclusion, Hold and wait, No Preemption, Circular Wait D.  Mutual Exclusion, Hold and wait, Preemption, No Circular Wait

Ans:– C ,


A device invented by Dr. Bobeck in 1966, for mass storage of data is
Options: Punched paper tape,    Magnetic bubble storage,    Magnetic tape,    Magnetic disk

Ans:B,(Banswer


. What is the shortcut-key for manual line break?
Options: CTRL + Enter B. Alt + Enter             C. Shift + Enter D. Space + Enter

Ans:– C ,


The engineering change control system makes changes in the
Options: operations file,    production schedule,    work force data,    All of the above

Ans:A ,A


What is the first octet range for a class A IP address?
Options: 1 - 126,    192 - 255,    192 - 223,    1 - 127

Ans:A ,A


The "curse of dimensionality" relates to which problem of using operational data for BI reporting?
Options: Dirty data,    Inconsistent data,    Too much data,    Non-integrated data

Ans:C ,C


Which is an Office feature that makes it easy to edit embedded objects?
Options: pasting B. visual editing C. tools, update, links D. edit, links

Ans:– B ,


Which encapsulations can be configured on a serial interface? Ethernet Token Ring HDLC Frame Relay PPP
Options: 1 and 4,    2 only,    3, 4 and 5,    All of the above

Ans:C ,C


A system program that sets up an executable program in main memory ready for execution is
Options: assembler,    linker,    loader,    compiler

Ans:C ,C


. Which of the following is used to display the content of a certain drive or folder?
Options: a. Click the drive or folder while holding down the Alt key b. Triple click the drive or folder c. Right click the drive or folder d. Double click the drive or folder

Ans:4 – d ,4 – d


What should be add before a fraction to avoid entering it as a date?
Options: // B. FR C. Zero D. Zero Space

Ans:– D ,


What are the appropriate Hex codes for setting Linux swap and Linux native partition types in fdisk?
Options: 82 and 83,    92 and 93,    63 and 64,    82 and 85

Ans:A ,A


A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns?
Options: 0.1 A,    1000 A,    10 A,    100 A

Ans:B ,B


  Which of the following methods will not enter data in a cell?
Options: Pressing the Esc key B. Pressing an arrow key C. Pressing the tab key D. Clicking the enter button to the formula bar

Ans:– A ,


Point out the error in the following program. #include<stdio.h> #include<stdlib.h> int main() { int *a[3]; a = (int*) malloc(sizeof(int)*3); free(a); return 0; }
Options: Error: unable to allocate memory,    Error: We cannot store address of allocated memory in a,    Error: unable to free memory,    No error

Ans:B ,B


Which one of the following equations most directly leads to the resistance of an ordinary household light bulb, assuming that you know the power and voltage rating?
Options: R = E2/P,    P = PR,    P = E2/R,    I = P/E

Ans:A ,A


Point out the error in the following program. #include<stdio.h> int main() { char str[] = "IndiaBIX"; printf("%.#s %2s", str, str); return 0; }
Options: Error: in Array declaration,    Error: printf statement,    Error: unspecified character in printf,    No error

Ans:D ,D


An Audit trial is
Options: a feature of data processing systems that allows for the study of data as processed from step to step; and auditor can then trace all transactions that affect an account.,    a data item that characterizes an object,    two or more data items handled as a unit,    All of the above

Ans:A ,A


When UPC is used, the price of the item is located
Options: on the item,    on the item and on the shelf,    in computer storage,    on the shelf and in computer storage

Ans:D ,D


Which of the following are the five built-in functions provided by SQL?
Options: COUNT, SUM, AVG, MAX, MIN,    SUM, AVG, MIN, MAX, MULT,    SUM, AVG, MULT, DIV, MIN,    SUM, AVG, MIN, MAX, NAME

Ans:A ,A


What will be the output of the program? #include<stdio.h> #include<math.h> int main() { printf("%f\n", sqrt(36.0)); return 0; }
Options: 6.0,    6,    6.000000,    Error: Prototype sqrt() not found.

Ans:C ,C


. All of the following are task performed by the operating system except
Options: a. Managing hardware on the computer b. Controlling the access that application program has to the CPU c. Performing housekeeping task like file compression and disk defragmentation d. Provides an interface for user to interact with computer

Ans:1 – c ,1 – c


Which of the following is the largest and most powerful computer manufacture in the world
Options: IBM,    Intel,    Novel,    Microsoft

Ans:A ,A


. …. are specially designed computer chips that reside inside other devices, such as your car or electric thermostat
Options: a. Server b. Embedded computer c. Robotic computer d. Mainframes

Ans:2 – b ,2 – b


Which of the following transmission systems provides the highest data rate to an individual device
Options: Computer bus,    Telephone lines,    Voice band modem,    leased lines

Ans:A ,A


_______ controls all the main slide control tasks for your presentation.
Options: a. Task Pane b. Task Bar c. Control Panel d. None of above

Ans:– A ,– A


Punched cards were first introduced by
Options: Powers B. Pascal C. Jacquard D. Herman Hollerith

Ans:– D ,


What will be the output of the program ? #include<stdio.h> int main() { float arr[] = {12.4, 2.3, 4.5, 6.7}; printf("%d\n", sizeof(arr)/sizeof(arr[0])); return 0; }
Options: 5,    4,    6,    7

Ans:B ,B


Each time you turn the power switch on, which control files will the computer check?
Options: COMMAND.COM, IO.SYS,    COMMAND.COM, DATE.COM, TIME.COM,    C0MMAND.COM, IO.SYS, MSDOS.SYS,    CHKDSK.EXE

Ans:C ,C


21. What is the smallest and largest font size available in Font Size tool on formatting toolbar?
Options: a. 8 and 72 b. 8 and 64 c. 12 and 72 d. None of above

Ans:– A ,– A


Which command is used to delete the directory that is empty?
Options: DEL *.*,    RD,    ERASE,    MD

Ans:B ,B


. In MS Access, Field Value may contain
Options: a. Text b. Date & Time c. Picture d. All of the Above

Ans:– d,– d


Which one of the following principles best describes the basic operation of an electromagnet?
Options: Current is induced in a conductor that is moving through a magnetic field,    Like magnetic poles repel, while unlike poles attract,    Current flowing through a conductor generates a magnetic field,    Like magnetic poles attract, while unlike poles repel

Ans:C ,C


. What should be the extension to execute files?
Options: a. EXE b. BAT c. COM d. All of the above

Ans:1 – d ,1 – d


What command is used to create a backup configuration?
Options: copy running backup,    copy running-config startup-config,    config mem,    wr mem

Ans:B ,B

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