_____________ refers to the correctness and completeness of the data in a database?


Options: Data security B. Data integrity C. Data constraint D. Data independence

Ans:– B ,


Description: mcqquestions






More Database Systems Related questions:


Which is another name for functional language?
Options: Machine,    Application language,    Low-level language,    High-level language

Ans:B,(Banswer


Most disk drives have a single read/ write head for each disk surface. What is the advantage of suing multiple heads on each movable access arm?
Options: Reduced seek time,    Less latency time,    Reduced search time,    Less disk speed

Ans:A ,A


. Which of the following function will use to find the highest number in a series of number?
Options: a. MAX(B1:B3) b. MAXIMUM (B1:B3) c. HIGH (B1:B3) d. HIGHEST(B1:B3)

Ans:– a,– a


. In order to play and hear sound on a computer, one needs:

Options: A) a sound card and speakers B) a microphone C) all of them required D) none of them required

Ans:A,A


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

Ans:B ,B


Which of the following applies to Internal DOS commands?
Options: Internal commands can be run whenever the DOS prompt is displayed,    Internal commands are reserved for DOS-level programming,    Internal commands can only be executed from a batch file,    Internal commands are stored on disk separately from COMMAND.COM

Ans:A ,A


. The key F12 opens a
Options: a. Save As dialog box b. Open dialog box c. Save dialog box d. Close dialog box

Ans:– A,– A


In wildcard specification ? is used as replacement for
Options: a. one character b. two character c. three character d. none of the above

Ans:8 a.,8 a.


What is the maximum data rate for the 802.11b standard?
Options: 6Mbps,    11Mbps,    22Mbps,    54Mbps

Ans:B ,B


10. What is the switch that is used to make sure that the copy command copied files correctly
Options: a. /a b. /c c. /s d. /v

Ans:Correct Answer: d ,Correct Answer: d


A retailing business involves which of the following functions?
Options: engineering,    maintenance,    plant operations,    All of the above

Ans:B ,B


. You can automatically include all of the field in a table in a query by___ a strike that appear list box in query design view
Options: a. Clicking b. Right clicking c. Double clicking d. None of the above

Ans:0 – c ,0 – c


A digital device that processes data is known as
Options: Data processor,    Data entry,    DBMS,    Database

Ans:A ,A


. Which option allows you to Bold all the negative values within the selected cell range:
Options: a. Zero Formatting b. Conditional Formatting c. Compare Formatting d. Negative Formatting

Ans:– b,– b


After a table has been created, its structure can be modified using the SQL command:
Options: UPDATE TABLE [TableName].,    MODIFY TABLE [TableName].,    ALTER TABLE [TableName].,    CHANGE TABLE [TableName].

Ans:C ,C


What can you use to ensure power is not interrupted, resulting in corrupted data?
Options: UPS,    Propergrounding,    Surge protector,    Sag protector

Ans:A ,A


With which view can you see how text and graphics will appear on the printed page?
Options: Normal B. Print Layout C. Outline D. Web Layout

Ans:– B ,


A device that stores one item of information is
Options: Memory element,    Block Compaction,    MDR,    Memory guard

Ans:A ,A


Backward recovery is which of the following?
Options: Where the before-images are applied to the database,    Where the after-images are applied to the database,    Where the after-images and before-images are applied to the database,    Switching to an existing copy of the database

Ans:A ,A


Thesaurus tool in MS Word is used for
Options:  A) Spelling suggestions, B) Grammar options, C) Synonyms and Antonyms words, D) All of above,

Ans:-C,-C


What hardware architectures are not supported by Red Hat?
Options: SPARC,    IBM-compatible,    Alpha,    Macintosh

Ans:D ,D


A robot's "arm" is also known as its:
Options: end effector,    actuator,    manipulator,    servomechanism

Ans:C ,C


Which command will show you the IOS version running on your router?
Options: sh IOS,    sh flash,    sh version,    sh running-config

Ans:C ,C


Which command would you use to apply an access list to a router interface?
Options: ip access-list 101 out,    access-list ip 101 in,    ip access-group 101 in,    access-group ip 101 in

Ans:C ,C


What SQL structure is used to limit column values of a table?
Options: The LIMIT constraint,    The CHECK constraint,    The VALUE constraint,    None of the above is correct.

Ans:B ,B


. Which of the following shortcuts can be used to insert a new line in the same cell?
Options: a. Enter b. Alt + Enter c. Ctrl + Enter d. Shift + Enter

Ans:– b,– b


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

Ans:B ,B


The use of specialized workstations:
Options: provides limited growth potentials for 3-D,    reduces the host computer workload and allows more users,    reduces the host computer workload,    has a high cost-performance tradeoff

Ans:B ,B


Which command is used to change protection mode of files starting with the string emp and ending with 1,2, or 3?
Options: chmod u+x emp[1-3],    chmod 777 emp*,    chmod u+r ??? emp,    chmod 222 emp?

Ans:A ,A


The general systems model of the firm can be used
Options: to solve problems in college classes,    to ease the transition into a new company, upon graduation,    to solve problems as a manager,    All of the above

Ans:D ,D


The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
Options: Data collection terminal,    OCR register terminal,    Video display terminal,    POS terminal

Ans:D,D


Bit map terminal
Options: support displays containing multiple windows,    requires considerable amount of video RAM,    requires tremendous amount of copying and hence low performance,    All of the above

Ans:D ,D


Sales figures in the market forecast file are updated by the
Options: sales forecasting procedures,    sales analysis procedures,    market research procedures,    all of the above

Ans:B ,B


Which keystroke is used for updating a field?
Options: A. F6 B. F9 C. F11 D. F12

Ans:B ,F9


What is the maximum number of lines you can set for lines to drop box?
Options:  A) 3, B) 5, C) 10, D) 15, 

Ans:-C,-C


How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
Options: A) 10 B) 11 C) 8 D) 12

Ans:-B,-B


The Memory Buffer Register (MBR)
Options: is a hardware memory device which denotes the location of the current instruction being executed.,    is a group of electrical circuits (hardware), that performs the intent of instructions fetched from memory.,    contains the address of the memory location that is to be read from or stored into.,    contains a copy of the designated memory location specified by the MAR after a "read" or the new contents of the memory prior to a "write".

Ans:D ,D


Which of the following medium is used for broadband local networks?
Options: Coaxial cable,    optic fiber,    CATV,    UTP

Ans:C ,C


Which one of the following statements best applies to a series RLC circuit?
Options: The voltage waveform for each component always has the same amplitude and phase as the applied voltage,    The current waveform for each component always has the same amplitude and phase as the applied current,    All of the above,    The sum of the current is always less than the applied current

Ans:B ,B


What will be the output of the program? #include<stdio.h> int main() { float f=43.20; printf("%e, ", f); printf("%f, ", f); printf("%g", f); return 0; }
Options: 4.320000e+01, 43.200001, 43.2,    4.3, 43.22, 43.21,    4.3e, 43.20f, 43.00,    Error

Ans:A ,A


. Main storage is also called
Options: A) Accumulator B) Control Unit C) Register Unit D) Memory

Ans:7-D,7-D


A acronym for the organisation that publishes programming language standard is
Options: ASCn,    BCD,    ANSI,    EBCDIC

Ans:C ,C


Which device is used as the standard pointing device in a Graphical User Environment?
Options:  Keyboard B.  Mouse C.  Joystick D.  Track ball

Ans:– B ,


Which of the following is the first computer to use Stored Program Concept?
Options: A) UNIVAC B) ENIAC C) EDSAC D) None of above

Ans:-C,-C


Which is a basic technique, using activity networks.
Options: CPA,    VLSI,    GIGO,    MSI

Ans:A ,A


Which file format can be added to a PowerPoint show?
Options: a. .jpg b. .gif c. .wav d. All of the above

Ans: – D , – D


. The first microprocessor built by the Intel corporation was called
Options: A) 8008 B) 8080 C) 4004 D) 8800

Ans:C,C


Indicate which of the following is not true about 4GL?
Options: 4GL does not support a high-level of screen interaction,    Many database management system packages support 4GLs,    A 4GL is a software tool which is written, possibly, in some third generation language,    All of the above

Ans:A ,A


Computers with 80286 microprocessor is
Options: A) XT computer B) AT comptuers C) PS/2 computer D) None of above

Ans:-B,-B


With respect to personnel matters in the United States, OSHA stands for
Options: Overseas Housing Authority,    Occupational Safety and Health Act,    Office Standard Help Agreement,    Office Staff Help Administration

Ans:B ,B

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