Computer Network is


Options:  Collection of hardware components and computers B.  Interconnected by communication channels C.  Sharing of resources and information D.  All of the Above

Ans:– D ,






More Computer Networks Related questions:


A cursor type in which the application can only move forward through the recordset is called:
Options: forward only.,    static.,    keyset.,    dynamic.

Ans:A ,A


Mistakes made in the requirements analysis stage show up in
Options: System design,    System development,    System testing,    System implementation

Ans:D ,D


Which of the following tasks is not suited for sequential processing by a computer?
Options: Preparing of mailing labels,    Processing payroll cheques,    Accounting for credit card purchases,    Inventory control

Ans:D ,D


. Following is not a database model
Options: a. Network database model b. Relational database model c. Object oriented database model d. None

Ans:4 – d ,4 – d


Which is a Common-Business oriented language.
Options: SNOBOL,    BASIC,    COBOL,    C

Ans:C ,C


Which of the following is not a font style?
Options: a. Bold b. Italics c. Regular d. Superscript

Ans:– D,– D


. Which computers used operating systems by Microsoft?
Options: A) IBM PCs B) Apple/Macintosh PCs C) IBM Compatibles D) Both A & C

Ans:D,D


. The _____ is a short horizontal line indicating the conclusion of a document.
Options: a. insertion point b. end mark c. status indicator d. scroll box

Ans:– B,– B


Which of the following is a non-impact printer?
Options: Daisy wheel printer,    Drum printer,    Laser printer,    All of the above

Ans:C ,C


The front-end processor is dedicated to perform which of the following function(s)?
Options: polling,    synchronization,    error checking,    All of the above

Ans:E ,E


Which of the following is requirement to develop a successful management information system?
Options: a staff of technical specialists with the skills necessary to develop the computer based parts of the system,    the development of a short-range goal for the system,    the development of a long-range goal for the system,    a commitment from management to allocate the personnel and resources necessary to get the job done

Ans:E ,E


. A disadvantage of the laser printer is
Options: A) It is quieter than an impact printer B) It is very slow C) The output is of a lower quality D) None of the above

Ans:7-D,7-D


Who designed the first general purpose electronic digital computer "ENIAC" ?
Options: Van-Neumann,    Joseph M Juoquard,    J. Presper Ecket and John W Mauchly,    All of the above

Ans:C ,C


The operation of a digital computer is based on _____ principle.
Options: counting,    measuring,    electronic,    logical

Ans:A ,A


The decimal equivalent of the binary number 11100001111 is
Options: 1806,    1807,    2806,    All of the above

Ans:B ,B


When using ODBC, which of the following serves as an intermediary between the application and the DBMS drivers?
Options: Data source,    Driver,    Driver manager,    OLE DB

Ans:C ,C


Which of the following is not an advantage of the structured approach to system development?
Options: it focuses on the physical aspects of the system,    the system specification is very graphic,    the user area is studied thoroughly,    the documentation is Cumulative

Ans:A ,A


To duplicate a controls formatting you can use___
Options: a. Manager b. Wizard c. Painter d. Control

Ans:ndash; c,ndash; c


You want to create a standard access list that denies the subnet of the following host: 172.16.144.17/21. Which of the following would you start your list with?
Options: access-list 10 deny 172.16.48.0 255.255.240.0,    access-list 10 deny 172.16.144.0 0.0.7.255,    access-list 10 deny 172.16.64.0 0.0.31.255,    access-list 10 deny 172.16.136.0 0.0.15.255

Ans:B ,B


A protocol is a set of rules governing a time sequence of events that must take place
Options: between peers,    between modems,    between an interface,    across an interface

Ans:A ,A


The activity of a file
Options: is a low percentages of number of records added or deleted from a file,    if high, reduces processing efficiency for sequential and nonsequential files,    is a measure of the percentage of existing records updated during a run,    refers to how closely the files fits into the allocated

Ans:A ,A


A name applied by Intel corp. to high speed MOS technology is called
Options: HDLC,    LAP,    HMOS,    SDLC

Ans:C,(Canswer


. In the datasheet formatting dialogue box, which is not an option in the border and line styles dropdown list box?
Options: a. datasheet border b. datasheet underline c. Column Header underline d. vertical gridline

Ans:– c,– c


Which option on the custom animation task pane allows you to apply a preset or custom motion path?
Options: a. Add effect b. Emphasis c. Animate now d. All of the above

Ans: – A , – A


. One of a class of storage device devices that can access storage locations in any order is

Options: A) DTE B) DASD C) DDE D) DDE

Ans:B,B


What sign is used to back up over typing errors in vi?
Options: !,    $,    #,    @

Ans:C ,C


The minimal set of super key is called
Options: Primary key B. Secondary key C. Candidate key D. Foreign key

Ans:– C ,


. Which of the following Excel screen components can NOT be turned on or off?
Options: a.  Formula Bar b.  Status Bar c.  Tool Bar d.  None of above

Ans:– d,– d


Computer Keyboard can be classified as __________ Device?
Options: A. Memory B. Input C. Output D. Storage

Ans:B,


A certain power transformer has a turns ratio of 5. What voltage can you expect at the secondary winding when you apply 120 V to the primary winding?
Options: 4.73,    0.4 V,    24 V,    600 V

Ans:C ,C


Strategic Planning factors do not include which of the following?
Options: Organizational goals,    Critical success factors,    Information engineering,    Problem areas

Ans:C ,C


A recursive relationship is a relationship between an entity and ________ .
Options: itself,    a subtype entity,    an archetype entity,    an instance entity

Ans:A ,A


. When you group worksheets
Options: a. You can enter variable data on multiple worksheets at one time b. You can print more than one worksheet at a time c. You can enter common data, formats, and formulas on multiple worksheets at one time d. b, and c

Ans:– d,– d


What command is used to assign executable permission to all of the files named "report"?
Options: chmod ugo + x report,    chmod u + x report,    chmod ugo + rw report,    chmod ugo + r report

Ans:A ,A


In digital data transmission
Options: Baud rate in equal to bit rate,    Baud rate is always smaller than the bit rate,    Baud rate is always higher than the bit rate,    None of the above

Ans:D,None of the above


A step-by-step procedure used to solve a problem is called
Options: Operating system,    Algorithm,    Application program,    All of the above

Ans:B ,B


In an Entity-Relationship Diagram Rectangles represents
Options: Entity sets B. Attributes C. Database D. Tables

Ans:– A ,


The time for which a piece of equipment operates is called
Options: Seek time,    Effective time,    Access time,    Real time

Ans:B ,B


LISP was developed by
Options: John Mc Carthy,    Blaise Pascal,    Dr. Hollerith,    John Napier

Ans:A ,A


. To move to the beginning of a line of text, press the __________ key.
Options: a. a b. pageup c. enter d. home

Ans:9 – d ,9 – d


An attribute that names or identifies entity instances is a(n):
Options: entity.,    attribute.,    identifier.,    relationship.

Ans:C ,C


The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values?
Options: 0.93 W,    0.93 V,    1 A,    9.3 W

Ans:A ,A


. Which object is used to create a form?
Options: a. Tables and Queries b. Tables only c. Tables and reports d. Queries and reports

Ans:– a,– a


. You can activate a cell by
Options: a. Pressing the Tab key b. Clicking the cell c. Pressing an arrow key d. All of above

Ans:– d,– d


. To exit the PowerPoint application, you should
Options: a. Click the application minimize button b. Click the document close button c. Double click the application control menu icon d. Double click the document control menu icon

Ans:3 – C ,3 – C


Assume integer is 2 bytes wide. What will be the output of the following code? #include<stdio.h> #include<stdlib.h> #define MAXROW 3 #define MAXCOL 4 int main() { int (*p)[MAXCOL]; p = (int (*) [MAXCOL])malloc(MAXROW *sizeof(*p)); printf("%d, %d\n", sizeof(p), sizeof(*p)); return 0; }
Options: 2, 8,    4, 16,    8, 24,    16, 32

Ans:A ,A


Each answer below shows example data from a table. Which answer is an example of the missing values problem?
Options: Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.,    Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.,    Three rows have the values Brown, NULL, and Blue in the same column.,    One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.

Ans:C ,C


How to show the same presentation continuously?
Options: by enabling the option “Loot continuously until ‘Esc'” B. by enabling the option “Repeat Presentation” C. by enabling the option “Show same Presentation” D. Presentation cannot be continue once it finished

Ans:– A ,


. Ctrl + U
Options: Undelete the previously deleted text B. Undo the last changes C. Underline the document name D. Underline the selected text

Ans:– D ,


Link encryption
Options: is more secure than end-to-end encryption,    is less secure than end-to-end encryption,    can not be used in a public network,    is used only to debug

Ans:B ,B

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