How many layers does OSI Reference Model has?


Options:  4 B.  5 C.  6 D.  7

Ans:– D ,


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More Computer Networks Related questions:


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 Decision - Table is
Options: a way of representing the information flow,    a way of representing multiple conditions,    a ways to get an accurate picture of the system,    All of the above

Ans:B ,B


The system unit of a personal computer typically contains all of the following except:
Options: microprocessor,    disk controller,    serial interface,    modem

Ans:D,D


. CPU speed of a personal computer is

Options: A) 32 KIPS B) 100 KIPS C) 1 MIPS D) None of these

Ans:B,B


. The computer size was very large in
Options: A) First Generation B) Second Generation C) Third Generation D) Fourth Generation

Ans:2-A,2-A


What will be the output of the program ? #include<stdio.h> int main() { enum days {MON=-1, TUE, WED=6, THU, FRI, SAT}; printf("%d, %d, %d, %d, %d, %d\n", MON, TUE, WED, THU, FRI, SAT); return 0; }
Options: -1, 0, 1, 2, 3, 4,    -1, 2, 6, 3, 4, 5,    -1, 0, 6, 2, 3, 4,    -1, 0, 6, 7, 8, 9

Ans:D ,D


A _____ is a formalized computer information system that can integrate data from various sources to provide the information necessary for management decision making.
Options: prompt,    passwords,    MIS,    Tactical

Ans:C ,C


When the graph of current versus voltage is a straight line, the device is referred to as
Options: Active,    Linear,    Nonlinear,    Bipolar

Ans:B ,B


What will be the output of the program? #include<stdio.h> #include<stdarg.h> void fun1(char, int, int *, float *, char *); void fun2(char ch, ...); void (*p1)(char, int, int *, float *, char *); void (*p2)(char ch, ...); int main() { char ch='A'; int i=10; float f=3.14; char *p="Hello"; p1=fun1; p2=fun2; (*p1)(ch, i, &i, &f, p); (*p2)(ch, i, &i, &f, p); return 0; } void fun1(char ch, int i, int *pi, float *pf, char *p) { printf("%c %d %d %f %s \n", ch, i, *pi, *pf, p); } void fun2(char ch, ...) { int i, *pi; float *pf; char *p; va_list list; printf("%c ", ch); va_start(list, ch); i = va_arg(list, int); printf("%d ", i); pi = va_arg(list, int*); printf("%d ", *pi); pf = va_arg(list, float*); printf("%f ", *pf); p = va_arg(list, char *); printf("%s", p); }
Options: A 10 3.14 A 10 3.14,    A 10 10 3.140000 Hello A 10 10 3.140000 Hello,    A 10 Hello A 10 Hello,    Error

Ans:B ,B


Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA?
Options: 0.17 V,    10.17 V,    20 V,    18.8 V

Ans:A ,A


If the record management system allows you to edit values before they are recorded on disk, you can
Options: correct spelling changes before they are recorded,    change the name of a field,    change the width of a field,    All of the above

Ans:A ,A


What will be the output of the program ? #include<stdio.h> int main() { union var { int a, b; }; union var v; v.a=10; v.b=20; printf("%d\n", v.a); return 0; }
Options: 10,    20,    30,    0

Ans:B ,B


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

Ans:D ,D


The major responsibilities of the data-base administrator are all of the following except:
Options: analyzing application systems,    advising programmers,    designing data base,    developing data dictionaries

Ans:A ,A


Producer consumer problem can be solved using
Options: semaphores,    event counters,    monitors,    all of the above

Ans:D ,D


. The autofill feature
Options: a. Extends a sequential series of data b. Automatically adds a range of cell values c. Applies a boarder around selected cells d. None of above

Ans:– a,– a


Which of the following are correctly formed #define statements in C?
Options: #define CUBE (X) (X*X*X);,    #define CUBE(x) (X*X*X),    #define CUBE(X)(X*X*X),    #define CUBE(X) {X*X*X}

Ans:C ,C


. How to insert Tables in Slide?
Options: a. Insert Table from Insert menu b. Click on Insert Table in content pane of blank slide c. Option A & B d. Tables cannot be inserted in slides

Ans:4 – C ,4 – C


The principle of locality of reference justifies the use of
Options: reenterable,    non reusable,    virtual memory,    cache memory

Ans:D ,D


What does fp point to in the program ? #include<stdio.h> int main() { FILE *fp; fp=fopen("trial", "r"); return 0; }
Options: The first character in the file,    A structure which contains a char pointer which points to the first character of a file.,    The name of the file.,    The last character in the file.

Ans:B ,B


The processes at the most detailed level of the data flow diagrams are called
Options: transform descriptions,    functional primitives,    data flows,    interfaces

Ans:B ,B


In any hierarchy of data organization, the smallest entity to be processed as a single unit is called
Options: data field,    data record,    data file,    database

Ans:A ,A


Which of the following is an example of bounded medium?
Options: Coaxial cable,    Wave guide,    Fiber optic cable {d) All of the above,    None of the above

Ans:D ,D


What will be the output of the program? #include<stdio.h> int main() { int i; i = scanf("%d %d", &i, &i); printf("%d\n", i); return 0; }
Options: 1,    2,    Garbage value,    Error: cannot assign scanf to variable

Ans:B ,B


Resolution of externally defined symbols is performed by
Options: Linker,    Loader,    Compiler,    Assembler

Ans:A ,A


Which of the following can store information in the form of microscopic pits on metal disks.
Options: Laser disks,    Tape cassettes,    RAM cartridge,    Punched cards

Ans:A ,A


If the values of a variable in one module is indirectly changed by another module, this situation is called
Options: A)internal change b.inter-module change c.side effect d.side-module update

Ans:C,Side effect


. In Microsoft windows, the graphical pattern on the desktop used as background for windows is
Options: a. Icons b. Wall paper c. Picture d. Background

Ans:0 – b ,0 – b


A small button with three dots usually displayed at the right of field properties box
Options: a. Make button b. Expression button c. Build button d. None of above

Ans:ndash; c,ndash; c


The function(s) of the Syntax phase is/ are:
Options: to recognize the major constructs of the language and to call the appropriate action routines that will generate the intermediate form or matrix for these constructs,    to build a literal table and an identifier table,    to build a uniform symbol table,    to parse the source program into the basic elements or tokens of the language

Ans:A ,A


What is the difference between a conductor and an insulator?
Options: A conductor allows current to flow much easier than an insulator does,    An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all,    An insulator allows current to flow much easier than a conductor does,    The difference between conductors and insulators depends on how they are used

Ans:A ,A


Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM
Options: duplicates,    clones,    copies,    look alikes

Ans:B,B


For speech understanding systems to gain widespread acceptance in office automation, they must feature:
Options: speaker independence,    speaker dependence,    isolated word recognition,    All of the above

Ans:A ,A


. Ctrl + G
Options: a. Open Paragraph Dialog box activating Goto Tab b. Open Page Setup Dialog box activating Goto Tab c. Open Find and Replace Dialog box with activating Goto Tab d. Open Goto Dialog box

Ans:–  C,–  C


The chosen language for the Japanese Fifth-Generation Compu¬ter Project is:
Options: LISP,    FORTRAN,    COBOL,    PROLOG

Ans:D ,D


In Decision trees
Options: nodes represent the conditions, with the right side of tree listing the actions to be taken,    the root is drawn on the left and is the starting point on the decision sequence.,    the branch depends on the condition and decisions to made,    All of the above

Ans:D ,D


. In DOS, the maximum length of filename is
Options: a. 5 b. 8 c. 11 d. 10

Ans:0 – b ,0 – b


A compiler means
Options: A person who compiles source programs,    The same thing as a programmer,    Keypunch operator,    A program which translates source program into object program

Ans:D ,D


. Which of the following is not a type of Software

Options: A) System Software B) Application Software C) Utility Software D) Entertainment Software

Ans:D,D


. Which unit converts user data into machine readable form?
Options: A) Input unit B) Output unit C) ALU D) Control Unit

Ans:A,A


Which of the following is not a practical data-processing approach?
Options: batch-sequential,    batch-direct,    immediate-sequential,    immediate-direct

Ans:C,C


After planning an algorithm, you should _____ to verify that it will work correctly.
Options: Analyze the algorithm,    Code the algorithm,    Desk-check the algorithm,    Evaluate and modify (if necessary) the program.

Ans:B ,B


A collection of eight bits is called
Options: Byte,    Word,    Record,    File

Ans:A ,A


ON UPDATE CASCADE ensures which of the following?
Options: Normalization,    Data Integrity,    Materialized Views,    All of the above.

Ans:B ,B


Which of the following data structure store the homogeneous data elements?
Options: a. Arrays b. Records c. Pointers d. None

Ans:- a,- a


The default header for a worksheet is
Options: Username B. Date and Time C. Sheet tab Name D. None

Ans:– D ,


.   An organization has a president, vice president, managers and supervisors. On what level of an organization chart are the vice presidents
Options: a. Fourth level b. Third level c. Second level d. First level

Ans:0 – C ,0 – C


Which command is used to save the standard output in a file, as well as display it on the terminal?
Options: more,    cat,    grep,    tee

Ans:D ,D


. An application that executes on separate PCs like this is called a(n) __________ application.
Options: a. enterprise b. distributed c. tier d. global

Ans:6 – b ,6 – b


A random-access data storage device which gives rapid access to data is
Options: Magnetic tape,    Punched card,    Disk storage unit,    Buffer

Ans:C ,C

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