The Second Generation Computer was based on ________.


Options: Vacuum Tube B. Silicon Chips C. Transistor D. Bio Chips

Ans:– C ,






More Computer Fundamental Related questions:


Point out the error in the program? #include<stdio.h> int main() { union a { int i; char ch[2]; }; union a z1 = {512}; union a z2 = {0, 2}; return 0; }
Options: Error: invalid union declaration,    Error: in Initializing z2,    No error,    None of above

Ans:B ,B


The program counter:
Options: decides which program to run,    counts the number of instructions that have been executed,    contains the address of the next instruction to be executed,    is where arithmetic is done in a computer.

Ans:C ,C


. What is an intersection of a row and a column?
Options: a. Form b. Cursor c. Cell d. Record

Ans:– c,– c


The primary memory of a personal computer consists of:
Options: ROM only,    RAM only,    Both ROM and RAM,    Memory module

Ans:C ,C


The process of entering data into a storage location
Options: adds to the contents of the location,    cause variation in its address number,    is known as a readout operation,    is destructive of previous contents

Ans:D ,D


Which of the following is not a logical data-base structure?
Options: tree,    relational,    network,    chain

Ans:D ,D


Which command is used to set the three permissions for all the three categories of users of a file?
Options: chgrp,    chown,    chmod,    chusr

Ans:C ,C


The operating system of a computer serves as a software interface between the user and
Options: hardware,    peripheral,    memory,    screen

Ans:A ,A


Topically, how many type III PC cards can you insert in a laptop
Options: 1,    2,    3,    4

Ans:A ,A


Which of the following is not an output device of a computer?
Options: Printer,    keyboard,    VDU,    CRT screen

Ans:B ,B


DCL provides commands to perform actions like
Options: a. Change the structure of tables b. insert, update or delete records and data values c. authorizing access and other control over database d. None of above

Ans:ndash; c,ndash; c


The bubbles in a bubble memory pack are created with the help of?
Options: Laser beam,    Magnetic field,    Electric field,    X-ray

Ans:B,B


What type of magnetic material is normally used in bubble memories?
Options: Magnetic core,    Cobalt,    Garnet,    Metallic

Ans:C,C


A data warehouse is which of the following?
Options: Can be updated by end users.,    Contains numerous naming conventions and formats.,    Organized around important subject areas.,    Contains only current data.

Ans:C ,C


Which command is used to display the subdirectory structure of the currently logged drive and pause the screen display after each screenful of information?
Options: TREE,    DELTREE/F,    DIR | MORE,    TREE | MORE

Ans:D ,D


. “Ctrl + Left Arrow” is used to
Options: Moves the cursor beginning of the Line B. Moves the cursor one word left C. Moves the cursor one paragraph up D. Moves the cursor one paragraph down

Ans:– B ,


An integrated circuit is
Options: A) A complicated circuit B) An integrating device C) Much costlier than a single transistor D) Fabricated on a tiny silicon chip

Ans:-D,-D


The total impedance of a series RLC circuit:
Options: is minimum at the resonant frequency,    always increases as the applied frequency increases,    always decreases as the applied frequency increases,    is maximum at the resonant frequency

Ans:A ,A


What command is used to assign only read permission to all three categories of the file'letter'?
Options: chmod u + r, g + r, o - x letter,    chmod ugo = r letter,    chmod a - rw letter,    chmod go + r letter

Ans:B ,B


The combination of the top-down and the bottom-up approach may be referred to as an:
Options: interactive approach,    interpretive approach,    integrative approach,    All of the above

Ans:C ,C


What is (void*)0?
Options: Representation of NULL pointer,    Representation of void pointer,    Error,    None of above

Ans:A ,A


Which of the following is a special purpose language used to describe to a computer's operating system.
Options: LOGO,    APL,    ICL,    CORAL

Ans:C ,C


A multidimensional database model is used most often in which of the following models?
Options: Data warehouse,    Relational,    Hierarchical,    Network

Ans:A ,A


. Where can you change automatic or manual calculation mode in Excel?
Options: a.  Double CAL indicator on status bar b.  Go to Tools >> Options >> Calculation and mark the corresponding radio button c.  Both of above d.  None of above

Ans:– b,– b


Who is 1988 announced the latest version of CD-ROM called CD-ROMXA (extended architecture) which provides a documented means of integrating digital audio with computer data on a CD-ROM disk?
Options: Sony,    Philips,    Microsoft,    All of the above

Ans:D ,D


The "curse of dimensionality" relates to which problem of using operational data for BI reporting?
Options: Dirty data,    Inconsistent data,    Too much data,    Non-integrated data

Ans:C ,C


What is the port number for POP3?
Options: 110,    90,    80,    49

Ans:A ,A


Interrupts which are initiated by an I/O drive are
Options: a . internal b . external c . software d . all of above

Ans:10.b,10.b


The following are functions of a DBMS except ________ .
Options: creating and processing forms,    creating databases,    processing data,    administrating databases

Ans:A ,A


Which of the following is not one of the stages in the evolution of distributed DBMS?
Options: Unit of work,    Remote unit of work,    Distributed unit of Work,    Distributed request

Ans:A ,A


In SQL, which command(s) is(are) used to change a table's storage characteristics?
Options: ALTER TABLE,    MODIFY TABLE,    CHANGE TABLE,    All of the above

Ans:A ,A


Which of the following statements is not true about the FORTRAN language?
Options: FORTRAN is a high level language,    A FORTRAN program, written for the IBM-PC, is totally different from a FORTRAN program written for execution on the SUN machine,    FORTRAN is extensively used to write programs for performing scientific computations,    All of the above

Ans:B ,B


In a large DBMS
Options: a. each user can "see" only a small part of the entire database b. each subschema contains every field in the logical schema c. each user can access every subschema  

Ans:9. a ,9. a


. The command used to copy a file named temp.doc from drive C: to drive A : is
Options: a. Copy temp.doc to a: b. Copy c: emp.doc a: c. Copy c: a: d. Copy temp a: c:

Ans:Correct Answer: b ,Correct Answer: b


The term scheme means
Options: the relationship service bureau,    a map of overall structure of a database.,    a parent with no owners,    two dimensional table

Ans:B ,B


The object-oriented development life cycle is which of the following?
Options: Analysis, design, and implementation steps in the given order and using multiple iterations.,    Analysis, design, and implementation steps in the given order and going through the steps no more than one time.,    Analysis, design, and implementation steps in any order and using multiple iterations.,    Analysis, design, and implementation steps in any order and going through the steps no more than one time.

Ans:A ,A


Which controller would support an external CD-ROM drive?
Options: ESDI,    ARLL,    MFM,    SCSI

Ans:D ,D


In LISP, the function returns the list that results after the first element is removed (the rest f the list), is
Options: car,    last,    cons,    cdr

Ans:D ,D


Without using the mouse or the arrow keys, what is the fastest way of getting to cell A1 in a spreadsheet?
Options: a. Press Ctrl +Home b. Press Home c. Press Shift + Home d. Press Alt + Home

Ans:#8211; a,#8211; a


In the system concepts, term organization
Options: implies structure and order,    refers to the mannar in which each component functions with other components of the system.,    means that parts of the computer system depend on one the another.,    refers to the holism of systems

Ans:A ,A


The control of the jobs running within a system is
Options: Job monitoring,    Job stream,    Job min,    Job step

Ans:A ,A


Data integrity refers to
Options: the simplicity of data,    the privacy of data,    the validity of data,    the security of data

Ans:C ,C


Which of the following options is not located in the Page Setup dialog box?
Options: a. Page Break Preview. b. Page Orientation c. Margins d. Headers and Footers

Ans:#8211; a,#8211; a


Which of the following function is more appropriate for reading in a multi-word string?
Options: printf();,    scanf();,    gets();,    puts();

Ans:C ,C


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

Ans:A ,A


A characteristic of card systems is:
Options: slowness in processing data,    using cards as records of transactions,    needing a larger DP staff,    all the above

Ans:D ,D


What is the main difference between a mainframe and a super computer?
Options: A) Super computer is much larger than mainframe computers B) Super computers are much smaller than mainframe computers C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.

Ans:C,C


RS-232-G
Options: is an interface between two data circuit terminating equipment as examplified by a local and remote modem,    is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment,    specifies only the mechanical characteristics of an interface by providing a 25-pin connector,    requires only 7 pin out of 25 in order to transmit digital data over public telephone lines

Ans:B ,B


Because of the importance of making data model changes correctly, many professionals are ________ about using an automated process for database redesign.
Options: optimistic,    skeptical,    ambivalent,    None of the above is correct.

Ans:B ,B


. After entering all fields required for a table, if you realize that the third field is not needed, how will you remove?
Options: a. You need to delete the whole table. There is no method to remove a particular field only. b. Delete all the fields from third downwards and reenter the required fields again. c. Select the third column in datasheet view then delete d. Select the third row in table design view then delete

Ans:3 – d ,3 – d

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