The most important advantage of a video disk is


Options: Compactness,    Potential capacity,    Durability,    Cost effectiveness

Ans:B,B






More Computer Fundamental Related questions:


The order entry subsystem creates a file of order records that are input to the
Options: production subsystem,    inventory subsystem,    control subsystem,    quality subsystem

Ans:B ,B


A _____ is a brief message to an operator that describes what data are to be entered.
Options: prompt,    passwords,    MIS,    Tactical

Ans:A ,A


Helping people keep track of things is the purpose of a(n) ________ .
Options: database,    table,    instance,    relationship

Ans:A ,A


. Model 5100 was ______ in 1957.
Options: A) The first PC built by IBM B) The first PC built by Apple C) The first PC built by Motorola D) The first PC built by Intel

Ans:A,A


Which of the following shell's wildcards are used to match any number of characters including none?
Options: [ijk],    [!ijk],    ?,    *

Ans:D ,D


. The key uniquely identifies each record in a table.
Options: a. Primary key b. Key word c. Filed name d. All of above

Ans:7 – a ,7 – a


. In slide layout panel how many layouts are available for text layout by default?
Options: a. 4 b. 7 c. 12 d.  None of above

Ans:9 – A ,9 – A


. In a table to insert User’s Voice, Data field should be
Options: a. OLE Object b. SoundField c. VoiceField d. Memo

Ans:– a,– a


Which of the following registers is used to keep track of address of the memory location where the next instruction is located?
Options: a. Memory Address Register b. Memory Data Register c. Instruction Register d. Program Register

Ans:2.d,2.d


The keyword used to transfer control from a function back to the calling function is
Options: switch,    goto,    go back,    return

Ans:D ,D


A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage?
Options: 12 V,    18 V,    24 V,    30 V

Ans:C ,C


The receiving data system involves which of the following files?
Options: vendor,    inventory,    purchasing,    All of the above

Ans:D ,D


You accidentally erased a record in the sheet. What command can be used to restore it immediately?
Options: Insert B. Copy C. Undo D. Replace

Ans:– C ,


The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values?
Options: 0.93 W,    0.93 V,    1 A,    9.3 W

Ans:A ,A


. Which of the following is not an output device?

Options: A) Portable Projector B) Printer C) Flat Screen D) Touch Screen

Ans:D,D


If the English Philosopher Thomas Hobbes could be called 'grandfather' of artificial intelligence, then who could be called its father?
Options: A.M. Turning,    John McCarthy,    Allen Newell,    Herbert Simon

Ans:A ,A


Which of the following commands allows you to make a directory?
Options: MAKE,    DIR,    MD,    DD

Ans:C ,C


Piece of code that only one thread can execute at a time is called
Options: Mutual Exclusion B. Critical Section C. Synchronization D. All of them

Ans:– B ,


Point out the error in the following program. #include<stdio.h> #include<stdarg.h> void varfun(int n, ...); int main() { varfun(3, 7, -11, 0); return 0; } void varfun(int n, ...) { va_list ptr; int num; num = va_arg(ptr, int); printf("%d", num); }
Options: Error: ptr has to be set at begining ,    Error: ptr must be type of va_list,    Error: invalid access to list member,    No error

Ans:A ,A


If gross requirements are 2,000, inventory on hand is 3,000, reorder point is 500, and EOQ is 1,300, the order quantity is
Options: 3,000,    2,000,    7,000,    zero

Ans:D ,D


In a punched card system, data is processed by a
Options: keypunch machine, sorter, and posting machine,    accounting machine, posting machine, and billing machine,    sorter, posting machine, and billing machine,    accounting machine, keypunch machine, and sorter

Ans:D,D


What command is used with vi editor to append text at end of line?
Options: I,    i,    a,    A

Ans:D ,D


. Where you can find the font?
Options: a. C:Font b. C:windowsfont c. C:control panelfont d. All of above

Ans:9 – b ,9 – b


Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff?
Options: 20 k Ohm or more,    200 k Ohm or less,    200 k Ohm or more,    20 km or less

Ans:B ,B


Group of instructions that directs a computer is called
Options: Storage,    Memory,    Logic,    Program

Ans:D ,D


. Which of the following is an essential file of a MS-DOS boot disk?
Options: a. COMMAND.COM b.START.COM c.TREE.COM d.VER.COM

Ans: a, a


When was the first successful industrial robot installed in the General Motors Plant in USA?
Options: 1960,    1961,    1963,    1967

Ans:B ,B


To locate a data item for storage is
Options: Field,    Feed,    Database,    Fetch

Ans:D ,D


. Which command brings you to the first slide in your presentation?
Options: a. Next slide button b. Page up c. Ctrl + home d. Ctrl + end

Ans:5 – C ,5 – C


Which of the following persons probably has the least amount of technical knowledge?
Options: User,    Computer Operator,    System Analyst,    Programmer

Ans:A ,A


Exclusive-OR (XOR) logic gates can be constructed from what other logic gates?
Options: OR gates only,    AND gates and NOT gates,    AND gates, OR gates, and NOT gates,    OR gates and NOT gates

Ans:C ,C


Which is the first compiler-level language developed by a team of IBM programmers led by John Backus and unveiled in 1957?
Options: BASIC,    PL/1,    FORTRAN,    APL

Ans:C ,C


Which of the following store command to retrieve data from database?
Options: a. Forms b. Reports c. Queries d. Tables

Ans:ndash; c,ndash; c


In laser printer technology, what happens during the conditioning stage?
Options: The corona wire places a uniform positive charge on the paper,    A uniform negative charge is placed on the photosensitive drum,    A uniform negative charge is placed on the toner,    All of the above

Ans:B ,B


. One computer that is not considered a portable computer is
Options: A) Minicomputer B) A laptop computer C) Tablet PC D) All of the above

Ans:A,A


A process controller:
Options: can interface to digital and analog I/O,    is useful in a continuous process control application,    can solve a PID process control equation easily,    All of the above

Ans:D ,D


A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?
Options: microfilm,    microfiche,    film card,    COM

Ans:C ,C


Which of the following format of partition tables does Linux use?
Options: Linux,    BSD,    UnixWare,    DOS

Ans:D ,D


The rate at which scanning is repeated is called the:
Options: stroke rate,    refresh rate,    bandwidth,    resolution

Ans:B ,B


Referential integrity means
Options: a. Do not enter a value in the foreign key field of a child table if that value does not exist in the primary key of the parent table b. Do not enter a value in the primary key field of child table if that value does not exist in  the primary key of the parent table c. Do not enter a value in the foreign key field of a parent table if that value does  not exist in the primary key of the child table d. All of above

Ans:ndash; a,ndash; a


What is the maximum distance with maximum data rate for 802.11b?
Options: About 65-75 feet,    About 90-100 feet,    About 150 feet,    Over 200 feet

Ans:C ,C


What are the distinct functions of layer 2 switching that increase available bandwidth on the network? Address learning Routing Forwarding and filtering Creating network loops Loop avoidance IP addressing
Options: 1, 3 and 5,    2, 4 and 6,    2 and 6,    3 and 5

Ans:A ,A


Business Intelligence (BI) reporting analyses can be performed using ________ .
Options: standard SQL only,    extensions to SQL only,    OLAP only,    both standard SQL and extensions to SQL

Ans:A ,A


. The _____, or typeface, defines the appearance and shape of letters, numbers, and special characters.
Options: a. font b. font size c. point d. paragraph formatting

Ans:– A,– A


IEEE project 802 divides the data link layer into an upper _____ sublayer and a lower _____ sublayer.
Options: HDLC, PDU,    PDU, HDLC,    MAC, LLC,    LLC, MAC

Ans:D ,D


You configure the following access list: access-list 110 deny tcp 10.1.1.128 0.0.0.63 any eq smtp access-list 110 deny tcp any eq 23 int ethernet 0 ip access-group 110 out What will the result of this access list be?
Options: Email and Telnet will be allowed out E0.,    Email and Telnet will be allowed in E0.,    Everything but email and Telnet will be allowed out E0.,    No IP traffic will be allowed out E0.

Ans:D ,D


Most of the flow of physical resources occurs on the
Options: top management level,    middle management level,    lower management level,    All of the above

Ans:C ,C


During the system study, the executive vice-president and the other managers exercise their responsibility of
Options: planning,    controlling,    directing,    organizing

Ans:B ,B


The strategy of allowing processes that are logically runnable to be temporarily suspended is called
Options: preemptive scheduling,    non preemptive scheduling,    shortest job first,    first come first served

Ans:A ,A


Where have the program and data to be located before the ALU and control unit of a computer can operate on it?
Options: Internal memory,    Secondary memory,    Microprocessor,    Magnetic tapes

Ans:A ,A

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