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 ,


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More Computer Networks Related questions:


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


Point out the error in the following program. #include<stdio.h> #include<stdarg.h> int main() { void display(int num, ...); display(4, 12.5, 13.5, 14.5, 44.3); return 0; } void display(int num, ...) { float c; int j; va_list ptr; va_start(ptr, num); for(j=1; j<=num; j++) { c = va_arg(ptr, float); printf("%f", c); } }
Options: Error: invalid va_list declaration,    Error: var c data type mismatch,    No error,    No error and Nothing will print

Ans:B ,B


What was the computer invented by Attanasoff and Clifford?
Options: A) Mark I B) ABC C) Z3 D) None of above

Ans:-B,-B


What is the method of handling deadlocks?
Options: Use a protocol to ensure that the system will never enter a deadlock state. B. Allow the system to enter the deadlock state and then recover. C. Pretend that deadlocks never occur in the system. D. All of the Above

Ans:– D ,


. For what Antikyathera was used?
Options: A) For counting B) For Calculating tax collection C) For calculating astronomical positions D) For calculating firing weapons

Ans:9-C,9-C


What is meant by the term RAM?
Options: Memory which can only be read,    Memory which can be both^read and written to,    Memory which is used for permanent storage,    Memory which can only be written to

Ans:B,B


Which command is used to count just the number of characters in a file?
Options: wc - 1,    wc -c,    wc -w,    wc -r

Ans:B ,B


You can use the horizontal and vertical scroll bars to
Options: a. Split a worksheet into two panes b. View different rows and columns edit the contents of a cell c. Edit the contents of a cell d. view different worksheets

Ans:#8211; b,#8211; b


Point out the error in the program. #include<stdio.h> #define MAX 128 int main() { char mybuf[] = "India"; char yourbuf[] = "BIX"; char const *ptr = mybuf; *ptr = 'a'; ptr = yourbuf; return 0; }
Options: Error: cannot convert ptr const value,    Error: unknown pointer conversion,    No error,    None of above

Ans:A ,A


While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?
Options: RESTORE A: *.*/S,    RESTORE A: *.*/M,    RESTORE A: *.*/N,    RESTORE A: *.*/L

Ans:B ,B


The type of model that helps the manager forecast future events is the
Options: physical model,    graphical model,    narrative model,    All of the above

Ans:E ,E


. What is the function of an operating system?
Options: a. Manages computer’s resources very efficiently b. Takes care of scheduling jobs for execution c. Manages the flow of data and instructions d. All of the above

Ans:3 – d ,3 – d


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


If the number of bits in a virtual address of a program is 16 and the page size is 0.5 K bytes, the number of pages in the virtual address space is
Options: 16,    32,    64,    128

Ans:D ,D


High-resolution, bit-mapped displays are useful for displaying:
Options: clearer characters,    graphics,    more characters,    All of the above

Ans:D ,D


. The ability of a database to grow as the data tracking needs grow is its __________.
Options: a. scalability b. expandability c. maintainability d. platform-independence

Ans:8 – a ,8 – a


Which of the following is not the responsibility of the utilities component of DBMS software?
Options: creating the physical and logical designs,    removing flagged records for deletion,    creating and maintaining the data dictionary,    monitoring performance

Ans:A ,A


What is the number of bit patterns provided by a 7-bit code?
Options: 256,    128,    64,    512

Ans:B ,B


When mapping a many-to-many unary relationship into a relation which of the following is true?
Options: One relation is created.,    Two relations are created.,    Three relations are created.,    Four relations are created.

Ans:B ,B


Which of the following is true concerning the standard network protocol for connecting a client to a Web or database server via the Internet?
Options: Both TCP and IP are needed.,    TCP is needed but IP is not needed.,    TCP is not needed but IP is needed.,    Neither TCP and IP are needed.

Ans:A ,A


Operating system
Options: links a program with the subroutines it references,    provides a layered, user-friendly interface,    enables the programmer to draw a flowchart,    all of the above

Ans:B ,B


Which of the following are goals of OLE DB?
Options: Create object interfaces for DBMS functionality pieces only.,    Increase flexibility only.,    Object interface over any type of data only.,    All of the above as goals of OLE DB.

Ans:D ,D


Which of the following is not true about indexes?
Options: Indexes are created to enforce uniqueness on columns.,    Indexes are created to enable fast retrieval by column values.,    Columns that are frequently used with equal conditions in WHERE clauses are good candidates for indexes.,    Indexes are created with the ALTER TABLE command.

Ans:D ,D


A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?
Options: 8000 B frame,    80,000 B frame,    8 x 105 bit frame,    10,000 B frame

Ans:D ,D


What does the show check box in query design window indicate
Options: a. It indicates whether the field is to be used or not b. It indicates whether the field is to be displayed in query result or not c. It indicates whether the field names to be displayed in query result or not d. None of above

Ans:ndash; b,ndash; b


Current is
Options: The flow of charged particles through a material,    An imbalance of electrical charges,    The force that causes electrons to flow,    The number of free electrons in an atom

Ans:A ,A


What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
Options: Bus control,    Interrupts,    Bus arbitration,    Status

Ans:C ,C


80. You cannot close MS Word application by
Options: a. Choosing File menu then Exit submenu b. Press Alt+F4 c. Click X button on title bar d. From File menu choose Close submenu

Ans:– D ,– D


Which of the following are unique characteristics of half-duplex Ethernet when compared to full-duplex Ethernet? Half-duplex Ethernet operates in a shared collision domain. Half-duplex Ethernet operates in a private collision domain. Half-duplex Ethernet has higher effective throughput. Half-duplex Ethernet has lower effective throughput.
Options: 2 only,    1,2 and 3,    1 and 4,    4 only

Ans:C ,C


Continuous line drawing are produced using
Options: Chain printers,    Daisy wheel printers,    Plotters,    Thermal devices

Ans:C ,C


A type of semiconductor memory that usually has small capacity but very fast access is
Options: PROM,    RAM,    Scratchpad,    ROM

Ans:C ,C


. What does COUNTA () function do?
Options: a. counts cells having alphabets b. counts empty cells c. counts cells having number d. counts non-empty cells

Ans:– d,– d


Which of the following devices would be classified as a robot by the Robot Institute of America?
Options: Automobile,    Pick-and-place manipulator,    Artificial hand,    All of the above

Ans:B ,B


.   To import text from a word document that uses headings into a PowerPoint presentation:
Options: a. This cannot be done in PowerPoint b. Click Insert, Slides from Outline c. Click Import, Word Document Headings d. Click File, New, Presentation from Word Headings

Ans:2 – B ,2 – B


Which of the following statement is valid?
Options: A) Lady Augusta is the first programmer B) Ada is the daughter of Lord Byron, a famous English poet C) ADA is a programming language developed by US Defense D) All of above

Ans:-D,-D


During boot-up, the memory test:
Options: Is a superfluous step that should be ignored,    Checks and verifies that contiguous memory is installed,    Is an operational error,    Displays what memory is installed, but nothing else

Ans:B ,B


A group of magnetic tapes, videos or terminals usually under the control of one master is
Options: Cylinder,    Cluster,    Surface,    Track

Ans:B ,B


Auto text and Auto correct are ___________ tools.
Options: styling B. editing B. designing D. none of the above

Ans:– B ,


When determining the efficiency of algorithm the time factor is measured by
Options: A)Counting microseconds b.Counting the number of key operations c.Counting the number of statements d.Counting the kilobytes of algorithm

Ans:B,


Which of the following is correct in VLSM?
Options: Can have subnets of different sizes B. Subnets must be in same size             C. No required of subnet D. All of above

Ans:– A ,


A problem is first connected to its proposed solution during the _____ stage.
Options: conceptualization,    identification,    formalization,    implementation.

Ans:C ,C


  To select more than one slide in the presentation A.  Just Click on slide B.  Ctrl + Click on slide C.  Alt + Click on slide D.  Shift + Click on slide
Options:

Ans:– B ,


What  is the name given to something that the  computer  will automatically use unless you tell it otherwise?
Options: a. a specification b. a wildcard c. a default d. a rule

Ans:6 c.  ,6 c. 


Laser Jet printer speeds are measured in pages per minute (ppm) what do we use to measure dot-matrix printers?
Options: lines per inch,    lines per sheet,    characters per inch,    characters per second

Ans:D ,D


When creating a new table which method can be used to choose fields from standard databases and tables
Options: a. Create table in Design View b. Create Table using wizard c. Create Table by Entering data d. None of above

Ans:ndash; b,ndash; b


. You can zoom a worksheet
Options: a. With the mouse pointer in Print Preview b. With the zoom button on the Print Preview toolbar c. With the Zoom command on the view menu d. All of the above

Ans:– d,– d


With respect to personnel matters in the United States, ERISA stands for
Options: Earnings and Revenue Information System Administration,    Early Retirement Income Standards Act,    Employee Review-in-Service Administration,    Employee Retirement Income Security Act

Ans:D ,D


.    Which command creates a directory or subdirectory?
Options: a.    Dir b.    Mkdir c.    Md d.    Both b and c

Ans:.a,Correct Answer: d. Both b and c


. Which of the following device was not invented by Babbage?
Options: A) Pascaline B) Difference Engine C) Analytical Engine D) None of above

Ans:A,A


. In table design view, which key can be used to switch between the field names and properties panels?
Options: a. F3 b. F4 c. F5 d. F6

Ans:8 – d ,8 – d

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