A logical description of some portion of database that is required by a user to perform task is called as


Options: System View B. User View C. Logical View D. Data View

Ans:– B ,


Description: mcqquestions






More Database Systems Related questions:


An MIS may include operational/ tactical support, decision support, and automated _____ subsystems.
Options: office,    center,    body,    area

Ans:A ,A


Point out the error in the program #include<stdio.h> int main() { int a=10; void f(); a = f(); printf("%d\n", a); return 0; } void f() { printf("Hi"); }
Options: Error: Not allowed assignment,    Error: Doesn't print anything,    No error,    None of above

Ans:A ,A


A high speed device used in CPU for temporary storage during processing is called
Options: A register,    A bus,    A databus,    All of the above

Ans:A,A


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


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 ,


A top-to-bottom relationship among the items in a database is established by a
Options: Hierarchical schema,    Network schema,    Relational schema,    All of the above

Ans:A ,A


To start Microsoft PowerPoint application
Options: a. Click on Start >> Programs >> All Programs >> Microsoft PowerPoint b. Hit Ctrl + R then type ppoint.exe and Enter c. Click Start >> Run then type powerpnt then press Enter d. All of above

Ans:– C ,– C


Locks placed by command are called ________ .
Options: implicit locks,    explicit locks,    exclusive locks,    shared locks

Ans:B ,B


The 2's complement of a binary no. is obtained by adding.....to its 1's complement.
Options: 0 ,    1,    10,    12

Ans:B,(Banswer


Which of the following FRUs would be considered both an input/output device?
Options: Video board,    SCSI host adapter,    System board CPU,    All of the above

Ans:B ,B


Which of the following is not a basic element within the microprocessor?
Options: microcontroller,    arithmetic-logic unit (ALU),    temporary register,    accumulator

Ans:A ,A


How many non-overlapping channels are available with 802.11a?
Options: 3,    12,    23,    40

Ans:B ,B


. Which mode loadsminimal set of drivers when starting Windows?
Options: a. Safe Mode b. Normal Mode c. VGA Mode d. Network Support Mode

Ans: a, a


Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer:
Options: TCP/IP,    Protocol,    Open Systems,    Internetwork processor

Ans:D ,D


Which network is a packet switching network?
Options: Ring network,    LAN,    Star network,    EuroNET

Ans:D ,D


When the Language bar is _____, it means that you do not see it on the screen but it will be displayed the next time you start your computer.
Options: a. restored b. hidden c. minimized d. closed

Ans:– B,– B


. Offline device is
Options: A) A device which is not connected to CPU B) A device which is connected to CPU C) A direct access storage device D) An I/O device

Ans:A,A


Which file starts MS Word?
Options: a. winword.exe b. word.exe c. msword.exe d. word2003.exe

Ans:– A,– A


Which of the following protocol is connection-oriented?
Options: IPX,    UDP,    NetBEUI,    TCP

Ans:D ,D


The records in a file or magnetic tape
Options: can only be accessed serially,    have to be arranged in a key sequence,    are meant for backup,    cannot be transferred to a disk file

Ans:A ,A


A family of polynomial block codes designed to correct burst errors is known as
Options: Bar codes,    Gray codes,    Fire codes,    mnemonics codes

Ans:C ,C


The coming together of three technologies i.e. microelectronics, computing and communications has ushered in
Options: information explosion,    information technology,    business revolution,    educational upgradation

Ans:B ,B


To display the list of all the file of the disk you would type
Options: a. DIR b.COPY c. DIR FILES d. DIR AUTOEXEC.BAT

Ans:12 a..  ,12 a.. 


Needing to using more complicated SQL in database applications is a(n) ________ of normalization.
Options: advantage,    disadvantage,    either an advantage or disadvantage,    neither an advantage nor disadvantage

Ans:B ,B


Which of the following is the coding of data so that is can't be easily understood if intercepted.
Options: Barcode,    Decoder,    Encryption,    Mnemonics

Ans:C ,C


How can you disable extended selection mode?
Options:  A) Press F8 again to disable, B) Press Del to disable, C) Press Esc to disable, D) Press Enter to disable,

Ans:-C,-C


Page Down Key
Options: a. Moves the cursor one line down b. Moves the cursor one page down c. Moves the cursor one screen down d. Moves the cursor one paragraph down

Ans:–  C,–  C


From what location are the 1st computer instructions available on boot up?
Options: ROM BIOS,    CPU,    boot.ini,    CONFIG.SYS

Ans:A ,A


Which of the following are benefits of VLANs? They increase the size of collision domains. They allow logical grouping of users by function. They can enhance network security. They increase the size of broadcast domains while decreasing the number of collision domains. They simplify switch administration. They increase the number of broadcast domains while decreasing the size of the broadcast domains.
Options: 1 and 5,    2 and 4,    1, 3 and 5,    2, 3 and 6

Ans:D ,D


A microprocessor integrates the arithmetic logic and control circuitry of a computer into one chip. The first microprocessor was built by a group of engineers at the Intel Corpn. Can you tell who headed this group?
Options: Victor Poor,    Stan Mazor,    Marcian E. (Ted) Hoff,    Seymour Cray

Ans:C ,C


The seventh field of /etc/password is
Options: password,    login,    shell,    home

Ans:C ,C


Which of the following is not true of office automation?
Options: It enhances office productivity.,    Human factors should be considered in implementing office automation.,    It will increase informal communications between employees.,    Software should be designed to be user-friendly

Ans:C ,C


In which year was the PC voted 'The Machine of the Year's by the American Time magazine?
Options: 1970,    1975,    1983,    1987

Ans:C ,C


Page Up Key
Options: a. Moves the cursor one line up b. Moves the cursor one screen up c. Moves the cursor one page up d. Moves the cursor one paragraph up

Ans:–  B,–  B


Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value?
Options: 37.4 V,    35.4 V,    38.74 V,    30.4 V

Ans:B ,B


Any device that performs signal conversion is
Options: Modulator,    Modem,    Keyboard,    Plotter

Ans:A,(Aanswer


. FORTRAN programming language is more suitable for ____
Options: A) Business Applications B) Marketing Applications C) Scientific Applications D) None of the above

Ans:C,C


A set of programs that handle a firms database responsibilities is called
Options: a. database management system (DBMS) b. database processing system (DBPS) c. data management system (DMS) d. all of above

Ans:.d,.d


A system program which helps the execution of user programs is known as
Options: System software,    Application program,    Batch operating system,    Utilities

Ans:C ,C


. A(n) ____ is the default control for a Yes/No field.
Options: a. check box b. option button c. toggle button d. list box

Ans:– a,– a


A form can be used to
Options: modify records,    delete records,    format printed output,    All of the above

Ans:D ,D


The terms "red book", "yellow book", and "orange book" refer to:
Options: SCSI,    ide,    floppy drive technology,    CD-ROM standards

Ans:D ,D


. Which of the following is not a mode in starting Windows?
Options: a. Command Prompt b. Safe Mode c. Normal Mode d. Turbo Mode

Ans:8 – d ,8 – d


A task in a blocked state
Options: is executable,    is running,    must still be placed in the run queues,    is waiting for same temporarily unavailable resources

Ans:D ,D


Modem is used in data transmission. When was it invented and in which country?
Options: 1963, USA,    1965, Germany,    1950, USA,    1950, Japan

Ans:C ,C


The reliability life cycle of a product:
Options: has three distinct rates of failure,    cannot be predicted,    All of the above,    stays constant with environmental conditions

Ans:A ,A


Which of the following memory unit that processor can access more rapidly
Options:  Main Memory B.  Virtual Memory C.  Cache memory D.  Read Only Memory

Ans:– C ,


A path by which communication is achieved between a central processor and other devices is called
Options: Audit trail,    Network,    Bus,    Channel

Ans:C,(Canswer


which of the following is not an Aggregate function?
Options: Min B. Max C. Select D. Avg

Ans:– C ,


An attribute name should be which of the following?
Options: Singular verb or verb phrase,    Follow a standard format,    Use a alias,    All of the above.

Ans:B ,B

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