What technology is used for flat panel displays?


Options: Solid state,    RBG monitor,    VLSI,    Direct view storage tube

Ans:A,A






More Computer Fundamental Related questions:


A language which is close to that used within the computer is
Options: High-level language,    Assembly language,    Low-level language,    All of the above

Ans:C,(Canswer


Point out the error in the following program. #include<stdio.h> #include<stdarg.h> fun(...); int main() { fun(3, 7, -11.2, 0.66); return 0; } fun(...) { va_list ptr; int num; va_start(ptr, n); num = va_arg(ptr, int); printf("%d", num); }
Options: Error: fun() needs return type,    Error: ptr Lvalue required,    Error: Invalid declaration of fun(...),    No error

Ans:C ,C


Which of the following performs modulation and demodulation?
Options: fiber optic,    satellite,    coaxial cable,    modem

Ans:D ,D


Which of following is Not one of Excel’s what-if function?
Options: a. Goal seek b. Solver c. Scenario manager d. Auto Outline

Ans:#8211; d,#8211; d


. “Ctrl + Down Arrow” is used to
Options: a. Moves the cursor one paragraph down b. Moves the cursor one line down c. Moves the cursor one page down d. Moves the cursor one screen down

Ans:–  A,–  A


. What is the first stage in software development?
Options: A) Specification and design B) Testing C) System Analysis D) Maintenance

Ans:C,C


Aggregation is which of the following?
Options: Expresses a part-of relationship and is a stronger form of an association relationship.,    Expresses a part-of relationship and is a weaker form of an association relationship.,    Expresses an is-a relationship and is a stronger form of an association relationship.,    Expresses an is-a relationship and is a weaker form of an association relationship.

Ans:A ,A


The truth table for an S-R flip-flop has how many VALID entries?
Options: 3,    1,    4,    2

Ans:A ,A


What is the significance of the J and K terminals on the J-K flip-flop?
Options: There is no known significance in their designations.,    The J represents "jump," which is how the Q output reacts whenever the clock goes HIGH and the J input is also HIGH.,    The letters represent the initials of Johnson and King, the co-inventors of the J-K flip-flop.,    All of the other letters of the alphabet are already in use.

Ans:A ,A


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


The radian of a number system
Options: Is variable,    Has nothing to do with digit position value,    Equals the number of its distinct counting digits,    Is always an even number

Ans:C,(Canswer


. Holding down the Shift key and rotate the image will rotate in increments of
Options: a. 10 degrees b. 15 degrees c. 20 degrees d. 25 degrees

Ans:8 – B ,8 – B


. A 32 bit microprocessor has the word length equal to
Options: A) 2 byte B) 32 byte C) 4 byte D) 8 byte

Ans:C,C


Which one of the following is a statement of KirchhofFs voltage law?
Options: The total voltage in a parallel circuit is less than the value of the smallest voltage,    The algebraic sum of voltages in a loop is equal to zero,    The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it,    The algebraic sum of voltages entering and leaving a point is equal to zero

Ans:B ,B


. Which one is notoperating system?
Options: a. P11 b. OS/2 c. Windows d. Unix

Ans: a, a


What is an SQL virtual table that is constructed from other tables?
Options: Just another table,    A view,    A relation,    Query results

Ans:B ,B


While creating relationship, when you drag a field of a field to drop into another table the mouse pointer changes into
Options: a. a doctor’s sign b. thin + sign c. outline rectangle d. None of above

Ans:ndash; c,ndash; c


    Which of the following extensions suggest that the file is a backup copy
Options: a.    Bak b.    Bas c.    Com d.    Txt

Ans:.a,Correct Answer: a. Bak


The device that can both feed data into and accept data from a computer is
Options: ALU,    CPU,    Input-Output device,    All of the above

Ans:C ,C


What does EXT indicator on status bar of MS Word indicate?
Options:  A) It indicates whether the external text is pasted on document or not, B) It indicates whether extended add-ons are installed on MS Word or not, C) It indicates whether Extended Selection mode is turned on or off, D) None of above,

Ans:-C,-C


Multiple calculations can be made in a single formula using
Options: a. standard formulas b. array formula c. complex formulas d. smart formula

Ans:#8211; b,#8211; b


Operating system, editors, and debuggers comes under?
Options: System Software B. Application Software C. Utilities D. None of the above

Ans:– A ,


Which of the following describes the operation of a positive edge-triggered D-type flip-flop?
Options: If both inputs are HIGH, the output will toggle.,    The output will follow the input on the leading edge of the clock.,    When both inputs are LOW, an invalid state exists.,    The input is toggled into the flip-flop on the leading edge of the clock and is passed to the output on the trailing edge of the clock.

Ans:B ,B


Who launched IBM's First PC in 1981?
Options: Dean Cline,    C.B. Rogers Jr.,    John F. Akers,    David Svenson

Ans:B ,B


Which of the following fields in a student file can be used as a primary key?
Options: a. class b. Social Security Number c. GPA d. Major

Ans:.b,.b


The axis of movement of a robot may include:
Options: Wrist rotation,    X-Y coordinate motion,    elbow rotation,    All of the above

Ans:D ,D


In the relational model, relationships between relations or tables are created by using:
Options: composite keys.,    determinants.,    candidate keys.,    foreign keys.

Ans:D ,D


All Operating Systems get their total memory initialized from?
Options: CPU,    BIOS,    ROM,    RAM

Ans:B ,B


Main storage is also called
Options: Accumulator,    Control unit,    Register unit,    memory

Ans:D ,D


The data dictionary tells the DBMS
Options: what files are in the database,    what attribute are possessed by the data,    what these files contain,    All of the above

Ans:D ,D


Floppy disks which are made from flexible plastic material are also called?
Options: hard disks,    high-density disks,    diskettes,    templates

Ans:C ,C


A dot-matrix printer
Options: is an input device,    is an output device,    cannot print alphabet,    has a speed of 1000 cps

Ans:B ,B


Which of following is not PowerPoint views?
Options: Page View B. Print View C. Normal View D. Outline View

Ans:– A ,


. When a picture or other graphic image is placed in the report header section it will appear____
Options: a. Once in the bugging of the report b. At the top of every page c. Every after record break d. On the 1st and last pages of the report

Ans:2 – a ,2 – a


Which network is a packet switching network?
Options: Ring network,    LAN,    Star network,    EuroNET

Ans:D,(Danswer


A laser printer generates a totally black page, what is the cause?
Options: malfunctioning imaging laser,    low level in the toner cartridge,    no power to transfer corona,    no power to the primary corona

Ans:D ,D


Which of the following is not true of the traditional approach to information processing
Options: a . there is common sharing of data among the various applications b . it is file oriented c . programs are dependent on the file d . it is inflexible

Ans:.a,.a


A storage area used to store data to compensate for the difference in speed at which the different units can handle data is
Options: Memory,    Buffer,    Accumulator,    Address

Ans:B ,B


. If a color property contains “#336699”, how many blue units are in the color?
Options: a. 33 b. 66 c. 99 d. 255

Ans:1 – c ,1 – c


. Com in Latin is

Options: A) intensifying prefix B) intensifying suffix C) a term that means to reckon D) None of above

Ans:A,A


What is route poisoning?
Options: It sends back the protocol received from a router as a poison pill, which stops the regular updates.,    It is information received from a router that can't be sent back to the originating router.,    It prevents regular update messages from reinstating a route that has just come up.,    It describes when a router sets the metric for a downed link to infinity.

Ans:D ,D


In LISP, which of the following function assigns the value 10 to the symbol a?
Options: (setq a 10),    (a = b) where b = 10,    (a = 10) (d) (setq 10 a),    None of the above

Ans:A ,A


The data communication support should include, but is not restricted to
Options: file transfer and transaction processing,    file and database access,    terminal support, electronic mail and voice grams.,    All of the above

Ans:D ,D


Both conditions display on the same row in the design grid when ___operator is in use
Options: a. OR b. IN c. AND d. LIKE

Ans:ndash; c,ndash; c


. Relationships between tables can be graphically viewed in the _______________ window.
Options: a. Design b. Joins c. Relationships d. Tables

Ans:4 – c ,4 – c


A UML diagram includes which of the following?
Options: Class name,    List of attributes,    List of operations,    All of the above.

Ans:D ,D


Which best describes a fragmented hard drive:
Options: The platters are bad,    Data files are corrupted,    Clusters of data are damaged,    Files are not stored in consecutive clusters

Ans:D ,D


How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?
Options: 0.02 A,    0.955 A,    10 A,    2.02 A

Ans:B ,B


. To properly exit Windows
Options: a. Click the stop button on the desktop b. Click the exit button on the desktop c. Select shut down from Start menu d. None of above

Ans:2 – c ,2 – c


Data has to be _____ before it can be converted into information.
Options: transformed,    processed,    changed,    engineered

Ans:B ,B

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