. Which of the following is true regarding Referential Integrity?


Options: Every primary-key value must match a primary-key value in an associated table B. Every primary-key value must match a foreign-key value in an associated table C. Every foreign-key value must match a primary-key value in an associated table D. Every foreign-key value must match a foreign-key value in an associated table

Ans: – C ,






More Database Systems Related questions:


How does Tomcat execute a JSP?
Options: As a CGI script,    As an independent process,    By one of Tomcat's threads,    None of the above is correct.

Ans:C ,C


What is the similarity between a structure, union and enumeration?
Options: All of them let you define new values,    All of them let you define new data types,    All of them let you define new pointers,    All of them let you define new structures

Ans:B ,B


Which functional component of a computer is responsible for the computing?
Options: Input,    Output,    CPU,    Memory

Ans:C ,C


To enable RIPng, which of the following would you use?
Options: Router1(config-if)# ipv6 ospf 10 area 0.0.0.0,    Router1(config-if)# ipv6 router rip 1,    Router1(config)# ipv6 router eigrp 10,    Router1(config-rtr)# no shutdown

Ans:B ,B


. What is the use of a master document in Word 2010?
Options: It organize and maintain a Fonts & Pictures by creating a master folder B. It organize and maintain a Heading and Styles by creating a master list C. It organize and maintain a Long document by dividing it into several subdocuments D. It organize and maintain a Styles and Links by creating a separate master document

Ans:– C ,


An electronic logic gate whose output is logic 0 only when all inputs are logic 1 is
Options: NOR,    NAND,    OR,    NOT

Ans:B ,B


Which of the following is a secondary memory device?
Options: Keyboard,    Disk,    ALU,    All of the above

Ans:B ,B


When was Apple Macintosh II microcomputer introduced in the market?
Options: 1964,    1970,    1983,    1986

Ans:C,C


1. What is contained in the page table?
Options: a. Base address of each frame and corresponding page number b. Memory address and corresponding page number c. File name and corresponding page number d. None of Above

Ans:1 – a ,1 – a


Which menu do you choose to shade words and paragraph?
Options: format, borders and shading, insert, borders and shading, view, shading,none of the above

Ans:D ,


To test the IP stack on your local host, which IP address would you ping?
Options: 127.0.0.0,    1.0.0.127,    127.0.0.1,    127.0.0.255

Ans:C ,C


What do you mean by broadcasting in Networking?
Options: It means addressing a packet to all machine B. It means addressing a packet to some machine C. It means addressing a packet to a particular machine D. It means addressing a packet to except a particular machine

Ans:– A ,


Semiconductor devices:
Options: are less reliable than electro¬mechanical components,    usually have a very short MTBF (mean time between failure),    have a very short infant mortality period,    All of the above

Ans:C ,C


Which of the following is NOT a type of SQL constraint?
Options: PRIMARY KEY,    FOREIGN KEY,    ALTERNATE KEY,    UNIQUE

Ans:C ,C


Why Drop Caps are used in document?
Options:  A) To drop all the capital letters, B) To automatically begin each paragraph with capital letter, C) To begin a paragraph with a large dropped initial capital letter, D) None of above,

Ans:-C,-C


Which of the following is the 1's complement of 10?
Options: 01,    110,    11,    10

Ans:A ,A


  After choosing a predefined template, which option has to be chosen to change the background color?
Options: Design Template B. Color Scheme C. Animation Scheme D. Color Effects

Ans:– B ,


Which of the following are correctly formed #define statements in C?
Options: #define CUBE (X) (X*X*X);,    #define CUBE(x) (X*X*X),    #define CUBE(X)(X*X*X),    #define CUBE(X) {X*X*X}

Ans:C ,C


The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?
Options: D/A converter,    A/D converter,    Voice recognition,    Adapter

Ans:B ,B


How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks ?
Options: DOS=High,    devicehigh=,    loadhigh=,    DOS=UMB

Ans:D ,D


The computer generation that triggered the explosion of interest in information processing was the
Options: first generation of computers,    second generation of computers,    third generation of computers,    fourth generation of computers

Ans:C ,C


The advantage(s) of incorporating the macro processor into pass 1 is/ are:
Options: many functions do not have to be implemented twice,    Functions are combined and it is not necessary to create intermediate files as output from the macro processor and input to the assembler,    more flexibility is available to the programmer in which he/she may use all the features of the assembler in conjunction with macros,    All of the above

Ans:D ,D


In a computer system, which device is functionally opposite of a Key-board?
Options: Mouse,    Trackball,    Printer,    Joystick

Ans:C,C


Microprogramming is
Options: assembly language programming,    programming of minicomputers,    control unit programming,    macro programming of microcomputers

Ans:C ,C


. To hold row and column titles in places so that they do not scroll when you scroll a worksheet, click the
Options: a. Unfreeze panes command on the window menu b. Freeze panes command on the window menu c. Hold titles command on the edit menu d. Split command on the window menu

Ans:– b,– b


0. What is the use of “All Caps” feature in MS-Word?
Options: It changes all selected text into Capital Letter B. It adds captions for selected Image C. It shows all the image captions D. None of the above

Ans: – A ,


. Essential business letter elements include the _____.
Options: a. date line and inside address b. message c. signature block d. all of the above

Ans:– D,– D


Regarding a VDU, Which statement is more correct?
Options: A) It is an output device B) It is an input device C) It is a peripheral device D) It is hardware item

Ans:-C,-C


Which of the following is not a filter command?
Options: sort,    wc,    grep,    cat

Ans:D ,D


A tuple is a(n):
Options: column of a table.,    two dimensional table.,    row of a table.,    key of a table.

Ans:C ,C


Which of the following elements can be used with a TI510 FC?
Options: Drum timer,    Metronome,    Cymbal timer,    Flashing light

Ans:A ,A


Assuming 100% efficiency, what is the power being consumed at the secondary winding of the transformer described in question 91?
Options: 200 W,    1000 W,    20 W,    100 W

Ans:A ,A


What port does squid listen, by default?
Options: 4322,    2314,    7334,    3128

Ans:D ,D


Linear programming identifies
Options: the optimum quantities of the variables,    the maximum profit or minimum cost that can be expected,    both (a) and (b),    neither (a) nor (b)

Ans:C ,C


. The Basic Input Output System (BIOS) resides in
Options: a. RAM b. ROM c. The CPU d. Memory Cache

Ans: b, b


. Which of the following required large computer memory?
Options: A) Imaging B) Graphics C) Voice D) All of above

Ans:D,D


. The maximum length of any single path from the root directory?
Options: a. 54 b. 63 c. 80 d. 27

Ans:7 – b ,7 – b


Which of the following, is a component of an expert system?
Options: inference engine,    knowledge base,    user interface,    All of the above

Ans:D ,D


Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ?
Options: 3.4E-4932 to 1.1E+4932,    3.4E-4932 to 3.4E+4932,    1.1E-4932 to 1.1E+4932,    1.7E-4932 to 1.7E+4932

Ans:A ,A


. The first cell in EXCEL worksheet is labeled as
Options: a. AA b. A1 c. Aa d. A0

Ans:– b,– b


In what file can you specify which users are not allowed to access a system via FTP?
Options: /etc/ftpusers,    /etc/hosts.deny,    /etc/ftpaccess,    All of the above

Ans:A ,A


The probability that a single bit will be in error on a typical public telephone line using 4800 bps modem is 10 to the power -3. If no error detection mechanism is used, the residual error rate for a communication line using 9-bit frames is approximately equal to
Options: 0.003,    0.009,    0.991,    0.999

Ans:B ,B


The 34-pin connection on an I/O card is for?
Options: Floppy drive,    SCSI drive,    IDE drive,    Zip drive

Ans:A ,A


Which of the following allows a simple email service and is responsible for moving messages from one mail server to another?
Options: IMAP,    DHCP,    SMTP,    FTP

Ans:C ,C


Which of the following command addresses all users who are currently hooked on?
Options: write,    mail,    wall,    mesg

Ans:C ,C


We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .
Options: the basic probability,    support,    lift,    confidence

Ans:D ,D


What is the name given to the exchange of control signals which is necessary for establishing a connection between a modem and a computer at one end of a line and another modem and computer at the other end?
Options: Handshaking,    Modem options,    Protocol,    Duplexing

Ans:A ,A


. MICR stands for
Options: A) Magnetic Ink Character Reader B) Magnetic Ink Code Reader C) Magnetic Ink Cases Reader D) None

Ans:A,A


. You can load character map by
Options: a. Program >> accessories >> system tools >> character map b. Program >> Microsoft >> System tools >> character map c. Both of above d. None of above

Ans:9 – a ,9 – a


Which command of DOS is used to compare two floppy disks?
Options: DISKCOPY,    DISKCOMP,    DISKCOPY A: B/V,    FORMAT A: B:

Ans:B ,B

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