UML is stands for


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

Ans:– B ,






More Database Systems Related questions:


. The contribution of Konrad Zuse was long ignored because

Options: A) He made the computers secretly B) his computers were very complicated and it took time for the people to recognize its power C) of political reasons. He was German. D) All of the above

Ans:C,C


A magnetic tape volume that is used on a data processing operation without any change to its contents is
Options: Magnetic disk,    Punched paper tape,    Master tape,    Card reader

Ans:C ,C


. What feature will you use to apply motion effects in between a slide exits and another enters?
Options: a.  Slide Transition b.  Slide Design c.  Animation Objects d.  Animation Scheme

Ans:4 – A ,4 – A


In order to email a Word document from withing MS Word
Options: a. Office button >> Send to >> Mail Recipient b. Save the file as an email attachment c. Start Outlook and attach the file while open in Word d. This is an impossible operation

Ans:– A,– A


A battery is a device composed of one or more:
Options: chemical cells,    voltage generators,    solar cells,    piezoeletric cells

Ans:A ,A


Which of the following is not user defined data type? 1 : struct book { char name[10]; float price; int pages; }; 2 : long int l = 2.35; 3 : enum day {Sun, Mon, Tue, Wed};
Options: 1,    2,    3,    Both 1 and 2

Ans:B ,B


An intelligent robot can:
Options: make decisions,    handle only small payloads,    walk,    speak

Ans:A ,A


Ctrl + E
Options: Exit Application B. Select All C. Clear All D. Align Center

Ans:– D ,


Which is not application software?
Options: a. Windows NT b. Page Maker c. WinWord XP d. Photoshop

Ans:a,a


The limits imposed by the firm itself or its environmental on the decision maker are called
Options: parameters,    constraints,    constructs,    perimeters

Ans:B ,B


What is your first action when windows reports that your hard drive is developing bad sectors?
Options: replace the hard drive,    run secclean from dos,    run defrag on the hard drive,    run scandisk with the "thorough" option

Ans:D ,D


. The word length of a computer is measured in
Options: A) Bytes B) Millimeters C) Meters D) Bits

Ans:D,D


. What is the second generation computers made?
Options: Resistors B. Transistors C. Vacuum tubes D. Integrated Circuits

Ans:– B ,


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

Ans:C,(Canswer


Which of the following protocols are used to configure trunking on a switch? VLAN Trunk Protocol VLAN 802.1Q ISL
Options: 1 only,    3 only,    3 and 4,    1, 3 and 4

Ans:C ,C


. You can switch from one program to another on the desktop by clicking within the desired program’s window or by clicking on its ….button
Options: a. Icon b. Taskbar button c. Folder d. None of above

Ans:8 – b ,8 – b


Data dictionary contains detail of
Options: data structures,    data flows,    data stores,    All of the above

Ans:D ,D


Which tab in Font dialog box contains options to apply font effects?
Options:  A) Font tab, B) Character Spacing, C) Text Effects, D) Standard Toolbar,

Ans:-A,-A


The two classifications of inputs are
Options: energies and maintenance,    maintenance and waste,    maintenance and signal,    products and waste

Ans:C ,C


. Which is not external command?
Options: a. Doskey b. Verify c. Print d. Find

Ans:4 – b ,4 – b


Bubble memory is a
Options: Sequential access device only,    Direct access device only,    Combination of sequential and direct access devices,    All of the above

Ans:C ,C


Pipeline implement
Options: A . fetch operand B . calculate operand C . execute instruction D . all of above

Ans:D, all of above


A device designed to read information encoded into a small plastic card is
Options: Magnetic tape,    Badge reader,    Tape puncher,    Card puncher

Ans:B ,B


Computers in a LAN can be interconnected by radio and infrared technologies.
Options: Wireless LANs,    Network Topologies,    Multiplexer,    Modem

Ans:A ,A


Unix Operating System is an A)  Multi User Operating System B)  Time Sharing Operating System C)  Multi Tasking Operating System D)  All the Above
Options:

Ans:– D ,


Which of the following is not true about modifying table columns?
Options: You can drop a column at any time.,    You can add a column at any time as long as it is a NULL column.,    You can increase the number of characters in character columns or the number of digits in numeric columns,    You cannot increase or decrease the number of decimal places.

Ans:D ,D


A data warehouse administrator is concerned with which of the following?
Options: The time to make a decision but not the typical roles of a database administrator,    The time to make a decision and the typical roles of a database administrator,    The typical roles of a data administrator and redesigning existing applications,    The typical roles of a database administrator and redesigning existing applications

Ans:B ,B


. Home Key
Options: Moves the cursor beginning of the document B. Moves the cursor beginning of the paragraph C. Moves the cursor beginning of the screen D. Moves the cursor beginning of the line

Ans:– D ,


Which of the following is true about pseudocode
Options: A machine language,    An assembly language,    A high-level language,    All of the above

Ans:E ,E


What is the result of adding an IP address to the DNS server search order
Options: It restricts browsing to that DNS server,    It overrides the local systems IP address,    It tells the DNS Server where the local system is located,    It tells the local system where the DNS Server is located

Ans:D ,D


The original ASCII code used _____ bits of each byte, reserving that last bit for error checking.
Options: 5,    6,    7,    8

Ans:C ,C


. You can select My Computer icon and press Alt + Enter to
Options: a. Delete it from desktop permanently b. Open it in Explorer mode c. Open System Properties dialog box d. Pin it on Start menu

Ans:3 – c ,3 – c


In a PC, how much memory is available to application software?
Options: 1024 KB,    760 KB,    640 KB,    560 KB

Ans:C ,C


.The elements of an array are stored successively in memory cells because
Options: A)by this way computer can keep track only the address of the first element and the addresses of other elements can be calculated b.the architecture of computer memory does not allow arrays to store other than serially c.both of above d.none of above

Ans:A,A


Cascade update option
Options: a. means do not change the value in the primary key field if that record has related records in another table b. means change all the related records in child tables if the record in parent table is changed c. Both of above d. None of above

Ans:ndash; c,ndash; c


Which of the following hardware component is the most important to the operation of database management system?
Options: a . high resolution video display b . printer c . high speed, large capacity disk d . plotter

Ans:.c,.c


A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
Options: A) Memory B) Buffer C) Accumulator D) Address

Ans:-B,-B


Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?
Options: Read committed,    Read uncommitted,    Repeatable read,    Serializable

Ans:B ,B


Which of the following statements is true about symmetric multiprocessing?
Options: A single copy of the operating system resides in each processor.,    Useful for situations where data must remain in memory to process.,    Bottlenecks increase with uniprocessor systems because tasks are not shared.,    The problems of memory contention are unlikely.

Ans:B ,B


What is the most likely cause of an "FDD controller Failure" error message?
Options: you did not set the jumper on the floppy drive to drive A,    you forgot to flash CMOS,    you installed the floppy disk drive cable backward,    your computer's floppy drive is defective

Ans:C ,C


How can you define a field so that when entering data for that field it will display ****** instead of actual typed text
Options: a. Input mask b. Validation Rule c. Indexed d. IME Mode

Ans:ndash; a,ndash; a


Which of the following statements are correct about the program below? #include<stdio.h> int main() { int size, i; scanf("%d", &size); int arr[size]; for(i=1; i<=size; i++) { scanf("%d", arr[i]); printf("%d", arr[i]); } return 0; }
Options: The code is erroneous since the subscript for array used in for loop is in the range 1 to size.,    The code is erroneous since the values of array are getting scanned through the loop.,    The code is erroneous since the statement declaring array is invalid.,    The code is correct and runs successfully.

Ans:C ,C


. To store your picture in a database requires a(n) __________ field.
Options: a. BLOB b. text c. image d. logical

Ans:3 – a ,3 – a


A PC with a 486DX2 processor runs internally at 50Mhz. What speed would its external logic be running?
Options: l0Mhz,    25Mhz,    50Mhz,    100 Mhz

Ans:B ,B


What will be the output of the program? #include<stdio.h> #define PRINT(int) printf("int=%d, ", int); int main() { int x=2, y=3, z=4; PRINT(x); PRINT(y); PRINT(z); return 0; }
Options: int=2, int=3, int=4,    int=2, int=2, int=2,    int=3, int=3, int=3,    int=4, int=4, int=4

Ans:A ,A


Which document sums up the general provisions of purchase, terms and agreement, warranties, and maintenance?
Options: The contract,    The project evaluation,    The financial report.,    The purchasing report

Ans:A ,A


Which component stores an electrical charge?
Options: diode,    rectifier,    capacitor,    resistor

Ans:C ,C


When operating below its resonant frequency, a series RLC circuit has the characteristics of a:
Options: series RL circuit,    series RC circuit,    series RLC circuit operated above its resonant frequency,    purely resistive circuit

Ans:B ,B


A fully functional computing device containing all the elements of a computer which is built around a MICROPROCESSOR is known as
Options: Machine-in-built computer,    Super computer,    Micro computer,    Mini computer

Ans:C ,C


The current gain of a transistor is defined as the ratio of the collector current to the
Options: base current,    emitter current,    supply current,    collector current

Ans:A ,A

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