In an Entity-Relationship Diagram Rectangles represents

Options: Entity sets B. Attributes C. Database D. Tables

Ans:– A ,

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More Database Systems Related questions:

Which WLAN IEEE specification allows up to 54Mbps at 2.4GHz?
Options: A,    B,    G,    N

Ans:C ,C

Can you name of the major Operating System used in computers?
Options: MS DOS,    OS/2,    UNIX,    All of the above

Ans:D ,D

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

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Options: a. command button b. combo box c. text box d. list box

Ans:– c,– c

A datum that indicates some important state in the content of input or output is
Options: Sequence,    Sentinel,    SIO,    Sibling


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Options: accumulator,    register,    adder,    decoder

Ans:B ,B

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Options: a. Printer selection b. Vertical or horizontal placement c. Orientation d. Row and column titles

Ans:– a,– 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

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Options: a. Insert -> Pictures –> Chart b. Insert –> Chart c. Edit –> Chart d. View -> Chart

Ans:0 – A ,0 – A

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Options: A) Batch processing system B) Multiprogramming C) Time sharing D) None of these


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Options: A) Direct access B) Sequential access C) Both of above D) None of above


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Options: a. Month b. MonthName c. MonthLabel d. MonthValue

Ans:1 – b ,1 – b

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Options: a. File menu b. View menu c. Database menu d. Tools menu

Ans:8 – d ,8 – d

. Which command is used to list out deleted files in DOS?
Options: a. list b. Undelete/list c. Recover d. All of the above

Ans:3 – b ,3 – b

A key:
Options: must always be composed of two or more columns.,    can only be one column.,    identifies a row.,    identifies a column.

Ans:C ,C

An operational system is which of the following?
Options: A system that is used to run the business in real time and is based on historical data.,    A system that is used to run the business in real time and is based on current data.,    A system that is used to support decision making and is based on current data.,    A system that is used to support decision making and is based on historical data.

Ans:B ,B

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Options: a. Windows Vista b. Windows 7 c. Windows 8 d. None of above

Ans: c, c

What will be the output of the program? #include<stdio.h> int main() { char huge *near *far *ptr1; char near *far *huge *ptr2; char far *huge *near *ptr3; printf("%d, %d, %d\n", sizeof(**ptr1), sizeof(ptr2), sizeof(*ptr3)); return 0; }
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Ans:A ,A

A numeric value can be treated as a label value if it precedes with
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The access method used for cassette tape is
Options: Direct,    Random,    Sequential,    All of the above


Which of the following is used as a primary storage device?
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The online hotel reservation systems having database capabilities are a good example of
Options: database management system (DBMS),    marketing information system,    manual information system,    managerial information system.

Ans:D ,D

An extranet is which of the following?
Options: The use of Internet protocols with limited access to company data by the company's customers and suppliers.,    The use of Internet protocols with unlimited access to company data by the company's customers and suppliers.,    The use of Internet protocols with limited access to company data by people within an organization.,    The use of Internet protocols with unlimited access to company data by people within an organization.

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What will be the output of the program? #include<stdio.h> int main() { const int i=0; printf("%d\n", i++); return 0; }
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A physical connection between the microprocessor memory and other parts of the microcomputer is known as
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Modern Computers are very reliable but they are not
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During preventative maintenance on a dot matrix printer, do NOT lubricate:
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The macro processor must perform
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Which 8-bit chip was used in many of Tandy's TRS-80 computers?
Options: Z-8000,    Motorola 6809,    Z-8088,    Z-80

Ans:D ,D

. A Smart Tag can be set using the _____ tab in the property sheet.
Options: a. Format b. Tag c. View d. Data

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A relation in this form is free of all modification anomalies.
Options: First normal form,    Second normal form,    Third normal form,    Domain/key normal form

Ans:D ,D

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If you do not know the current time, which command will you use to display the time?
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Ans:C ,C

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Ans:C ,C

What command is used to display your current working directory?
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Ans:B ,B

What is the name of the printer which prints all the A's in a line before all the B's?
Options: Thermal printer,    Electrostatic printer,    Line printer,    Ink-jet printer

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Which of the following digits are known as the terminal number of the Network User Address (NUA)?
Options: 5-7,    1-4,    8-12,    13-14

Ans:C ,C

For normal operation of the transistor, the collector diode has to be
Options: Forward-biased,    Reverse-biased,    Nonconducting,    Operating in the breakdown region

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The _____ symbol is used in a flowchart to represent a calculation task.
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