The class-based addressing is also known as


Options: Modern Model B. Classful Model C. Classless Model D. Heterogeneous Model

Ans:– B ,


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More Computer Networks Related questions:


. Which of the following is not electro-mechanical computer?

Options: A) Z3 B) ABC C) mark I D) ENIAC

Ans:D,D


Backing storage is so named because it
Options: is always kept at the back of the CP.U.,    is slow and backward,    backs up the computer's main memory,    lags behind the main memory

Ans:C ,C


Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
Options: A) Track number B) Sector number C) Surface number D) All of above

Ans:-D,-D


To set up a bulletin board system you need
Options: a smart modem with auto-answer capabilities,    a telephone line,    a personal computer,    All of the above

Ans:D ,D


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


What is the term used for describing the judgmental or commonsense part of problem solving?
Options: Heuristic,    Critical,    Value based,    Analytical

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


Any type of storage that is used for holding information between steps in its processing is
Options: CPU,    Primary storage,    Intermediate storage,    Internal storage

Ans:C ,C


The birthplace of the World Wide Web is considered to be
Options: the Department of Defense,    CERN,    ARPA,    Netscape

Ans:B ,B


What will be the output of the program? #include<stdio.h> int main() { typedef int arr[5]; arr iarr = {1, 2, 3, 4, 5}; int i; for(i=0; i<4; i++) printf("%d,", iarr[i]); return 0; }
Options: 1, 2, 3, 4,    1, 2, 3, 4, 5,    No output,    Error: Cannot use typedef with an array

Ans:A ,A


Which of the following are valid ways to refer only to host 172.16.30.55 in an IP access list? 172.16.30.55 0.0.0.255 172.16.30.55 0.0.0.0 any 172.16.30.55 host 172.16.30.55 0.0.0.0 172.16.30.55 ip any 172.16.30.55
Options: 1 and 4,    2 and 4,    1, 4 and 6,    3 and 5

Ans:B ,B


The basic components of a modern digital computer are :
Options: Input device,    Output device,    Central processor,    All of the above

Ans:D ,D


Which layer 1 devices can be used to enlarge the area covered by a single LAN segment? Switch NIC Hub Repeater RJ45 transceiver
Options: 1 only,    1 and 3,    3 and 4,    5 only

Ans:C ,C


. Formulas in Excel start with
Options: a. % b. = c. + d. –

Ans:– b,– b


_____ use standardized symbols to represent an algorithm.
Options: Flowcharts,    Flow diagrams,    IPO charts,    Pseudocharts

Ans:A ,A


An excellent linear programming software package for solving large-scale problems is
Options: MIDAS-2,    OPHELIE II,    PDQ/LP,    All of the above

Ans:B ,B


Point out the correct statement will let you access the elements of the array using 'p' in the following program? #include<stdio.h> #include<stdlib.h> int main() { int i, j; int(*p)[3]; p = (int(*)[3])malloc(3*sizeof(*p)); return 0; }
Options: for(i=0; i<3; i++) { for(j=0; j<3; j++) printf("%d", p[i+j]); } ,    for(i=0; i<3; i++) printf("%d", p[i]); ,    for(i=0; i<3; i++) { for(j=0; j<3; j++) printf("%d", p[i][j]); } ,    for(j=0; j<3; j++) printf("%d", p[i][j]);

Ans:C ,C


In ODBC, a data source that is local to a single computer is called a:
Options: system data source.,    file data source.,    user data source.,    SQL text file.

Ans:A ,A


Back-up procedure helps in
Options: restoring the operation whenever there is a disk failure,    restoring both application and system software whenever there is disk corruption.,    restoring the data files whenever there is a system crash,    All of the above

Ans:D ,D


. When we look at the cost, which of the following computer is most expensive?
Options: A) Mainframe Computer B) Mini Computers C) Micro Computers D) Super Computers

Ans:D,D


Semiconductor devices:
Options: are less reliable than electro¬mechanical components,    usually have a very short MTBF (mean time between failure),    have a very short infant mortality period,    All of the above

Ans:C ,C


. Which is a semi conductor memory?
Options: A) Dynamic B) Static C) Bubble D) Both a & b

Ans:D,D


When a label is too long to fit within a worksheet cell, you typically must
Options: a. Shorten the label b. Increase the column width c. Decrease the column width d. Adjust the row height

Ans:#8211; b,#8211; b


The physical layer, in reference to the OSI model, defines
Options: data link procedures that provide for the exchange of data via frames that can be sent and received,    the interface between the X.25 network and packet mode device,    the virtual circuit interface to packet-switched service,    All of the above

Ans:B ,B


. The number of records contained within a block of data on magnetic tape is defined by the
Options: A) Block definition B) Record contain clause C) Blocking factor D) Record per block

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The integration of the computer with manufacturing is called CIM or _____
Options: CAM,    CAD,    Computer Integrated manu¬facturing,    All of the above

Ans:C ,C


Which of the following statement is correct prototype of the malloc() function in c ?
Options: int* malloc(int);,    char* malloc(char);,    unsigned int* malloc(unsigned int);,    void* malloc(size_t);

Ans:D ,D


. Selecting text means, selecting?
Options: a word B. an entire sentence C. whole document D. any of the above

Ans: – D ,


A tool that can help designers understand the dependencies of database structures is a:
Options: dependency graph.,    data model.,    graphical display.,    None of the above is correct.

Ans:A ,A


Which was the most popular first generation computer?
Options: A) IBM 1650 B) IBM 360 C) IBM 1130 D) IBM 2700

Ans:-A,-A


The command chmod 761 note is equivalent to
Options: chmod 167 note,    chmod u=rwx, g=rw, o=x note,    chmo a =761 note,    chmod 4=7, g=6,0 =1 note

Ans:B ,B


  Ellipse Motion is a predefined ________
Options: Design Template B. Color Scheme C. Animation Scheme D. None of these

Ans:– C ,


. You have field ‘Sex’ of type Byte Number. How to limit its value to 0 and 1 only?
Options: a. By setting required to ‘Yes’ b. By using default value c. By defining validation rule d. By using format

Ans:– c,– c


. Basic is ________ language.
Options: A) a procedural B) an object oriented C) both A and B D) none of the above

Ans:A,A


MIS constraints are imposed by
Options: the firm's managers,    the firm's finance,    the environment,    All of the above

Ans:D ,D


At room temperature a conductor has low many holes?
Options: Same number as free electrons,    many,    Only those produced by thermal energy,    less than the free electrons

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Which of the following functions is/ are performed by the loader?
Options: Allocate space in memory for the programs and resolve symbolic references between object decks,    Physically place the machine instructions and data into memory,    Adjust all address dependent locations, such as address constants, to correspond to the allocated space,    All of the above

Ans:D ,D


What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
Options: NAT,    Static,    Dynamic,    PAT

Ans:D ,D


Your CD-ROM audio cable connects to the:
Options: speaker,    sound card (or motherboard if sound is integrated with it),    power supply,    hard drive

Ans:B ,B


.   How do you add degrees of transparency to shapes such as arrows, so that the slide background shows though?
Options: a. Use #D style 4 button on the drawing toolbar b. Use the Set Transparent Color button on the Picture toolbar c. Use the Transparency slider in the Format AutoShapes dialog box d. All of above

Ans:0 – C ,0 – C


What happens if you select first and second slide and then click on New Slide button on toolbar?
Options: a. A new slide is inserted as first slide in presentation b. A new slide is inserted as second slide in presentation c. A new slide is inserted as third slide in presentation d. None of above

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A Ring, refers to a record chain, the last of which refers to the first record, in the chain, is called a/an
Options: addressing,    location,    pointer,    loop

Ans:C ,C


8. Which command is used to see the version?
Options: a. Version b. Ver c. Verson d. None of above

Ans:Correct Answer: b ,Correct Answer: b


What will be the output of the program in DOS (Compiler - Turbo C)? #include<stdio.h> double i; int main() { (int)(float)(char) i; printf("%d", sizeof((int)(float)(char)i)); return 0; }
Options: 1,    2,    4,    8

Ans:B ,B


. You should choose this mode if you don’t know how long you won’t use your computer but want to have the same desktop state when you resume
Options: a. Shut Down b. Restart c. Sleep d. Hibernate

Ans:4 – d ,4 – d


Changes to the data base are made only with
Options: proper departmental security codes,    proper individual passwords,    both (a) and (b),    neither (a) nor (b)

Ans:C ,C


A single bus structure is primarily found in
Options: Main frames,    Super computers,    High performance machines,    Mini-and micro-computers

Ans:D,D


The equipment with which the computer talks to its users is called a
Options: word processor,    peripheral,    software,    diskette

Ans:B ,B


Which of the following commands is used to display the filenames in multiple columns with indication of directories and executable file?
Options: ls -F -x,    ls -l,    ls ~ x,    Ip

Ans:A ,A


Point out the error in the program #include<stdio.h> int main() { int i; #if A printf("Enter any number:"); scanf("%d", &i); #elif B printf("The number is odd"); return 0; }
Options: Error: unexpected end of file because there is no matching #endif,    The number is odd,    Garbage values,    None of above

Ans:A ,A

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