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






More Computer Fundamental Related questions:


Top-down programming is
Options: a group of related fields,    a map of the programmer's view of the data,    an approach in which the top module is first tested then program modules are added from the highest level to the lowest level,    a series or group of components that perform one or more operations of a more complex system

Ans:C ,C


. What do you call a single point on a computer screen?
Options: A) Cell B) Element C) Pixel D) Bit

Ans:9-C,9-C


When the computer provides the manager with a multiple choice of possible answers, the prompting technique is
Options: question and answer,    form filling,    open-ended question,    menu selection

Ans:D ,D


A common reason for changing an information system is
Options: new requirements,    new technology,    problems in the existing system,    All of the above

Ans:D ,D


In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction?
Options: ZIP,    PACK,    COMMIT,    SAVE

Ans:C ,C


By default, your document prints with:
Options: 1 inch top and bottom margins B. a portrait orientation C. 1.25 inches left and right margins D. all of the above

Ans:D,


Which of the following is a valid format for mounting a CD-ROM drive?
Options: mount -t iso9660 /dev/cdrom / mnt/cdrom,    mount /dev/cdrom,    mount /mnt/cdrom,    All of the above

Ans:D ,D


. Which of the following file organization is most efficient for a file with a high degree of file activity?
Options: A) Sequential B) ISAM C) VSAM D) B-Tree Index

Ans:A,A


Convert the BRNE h#01E6, i assembly language instructions into hexadecimal machine language:
Options: 0111EF,    9001E6,    DA000F,    40

Ans:B ,B


. A command to remove a relation from an SQL database
Options: Delete table <table name> B. Drop table <table name> C. Erase table <table name> D. Alter table <table name>

Ans: – B ,


. Any files deleted in Windows goes into
Options: a. Trash can b. Recycle bin c. Deleted Files d. None of above

Ans:2 – b ,2 – b


A microprocessor is:
Options: controlled by a program,    an integrated circuit,    relatively inexpensive,    All of the above

Ans:D ,D


Which would you choose to move selected text from one place to another?
Options: Press Ctrl+S B. Click File, Save C. Click Tools, Options, Save D. Click File, Save As

Ans:C ,


Large collection of files are called
Options: a . fields b . records c . database d . sectors

Ans:.c,.c


What product is used to clean smudged keys on a keyboard?
Options: TMC solvent,    Silicone spray,    Denatured alcohol,    All-purpose cleaner

Ans:D ,D


Which command will show you all the translations active on your router?
Options: show ip nat translations,    show ip nat statistics,    debug ip nat,    clear ip nat translations *

Ans:A ,A


Which of the following decides which systems development projects to work on first ?
Options: data diagram,    project dictionary,    systems flowcharts,    steering committee

Ans:A ,A


What tool is used to test serial and parallel ports?
Options: high volt probe,    cable scanner,    loop backs (wrap plugs),    sniffer

Ans:C ,C


. Portrait and Landscape are
Options: a. Page Orientation b. Paper Size c. Page Layout d. All of above

Ans:– A,– A


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

Ans:A ,A


Sales persons and other employees of the company who spend much of their time away from their offices but keep in touch with their company's microcomputers or main frame computers over telephone lines are called
Options: field workers,    telecommuters,    teleprocessors,    company directors

Ans:B ,B


The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is
Options: 6200 bps,    9600 bps,    34000 bps,    31000 bps

Ans:D ,D


A device or system not directly connected to the CPU is
Options: On-line,    Keyboard,    Memory,    Off-line

Ans:D ,D


. How to restrict to run a macro automatically when starting Microsoft Excel?
Options: a. Hold down the SHIFT key during startup b. Hold down the CTRL key during startup c. Hold down the ESC key during startup d. Hold down the ALT key during startup

Ans:– a,– a


WRAM is used on a
Options: modem,    video card,    motherboard,    ata connector

Ans:B ,B


Ctrl + H
Options: Open Find and Replace Dialog box with activating Replace Tab B. Open Format Dialog box activating Insert Hyper Link tab C. Open Insert Dialog box activating Insert Hyper Link Tab D. Open Insert Hyper Link Dialog box

Ans:– 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


Which is the make given to the database management system which is able to handle full text data, image data, audio and video?
Options: a. full media b. graphics media c. multimedia d. hypertext 

Ans:.c,.c


Which of the following is a programming language?
Options:  Lotus B.  Pascal C.  MS-Excel D.  Netscape

Ans:– B ,


Snapshot of the data in the database at a given instant of time is called
Options: Database Schema B. Database Instance C. Database Snapshot D. All of the above

Ans:– B ,


A _____ decision is routine one that's made following the completion of a preplanned series of steps.
Options: strategic,    structured,    simulation,    tactical

Ans:B ,B


. Which is not the function of “Edit, Clear” command?
Options: a. Delete contents b. Delete notes c. Delete cells d. Delete formats

Ans:– c,– c


Which of the following is not currently a topic in computer science?
Options: Speech recognition,    Artificial intelligence,    Thermodynamics,    Multiprocessing

Ans:C,C


.   Which of the following statements is not true?
Options: a. Holding down the Shift key while you draw an object creates perfect squares, circles and straight lines b. The text in a text box can’t be formatted c. The drawing toolbar contains tools for drawing shapes, lines, arrows, and more d. Ctrl+S save the document

Ans:8 – B ,8 – B


What will be the output of the program? #include<stdio.h> #define str(x) #x #define Xstr(x) str(x) #define oper multiply int main() { char *opername = Xstr(oper); printf("%s\n", opername); return 0; }
Options: Error: in macro substitution,    Error: invalid reference 'x' in macro,    print 'multiply',    No output

Ans:C ,C


The Enterprise tier of the three-tiered database architecture includes:
Options: managing the data.,    managing the User-system interface.,    processing HTTP protocol.,    processing scripting tasks.

Ans:A ,A


Two of the major processing languages are PROLOG and:
Options: LISP,    COBOL,    BASIC,    Pascal

Ans:A ,A


70. Which of the following is not on Home ribbon?
Options: a. Columns b. Font color c. Change Style d. Font

Ans:– A ,– A


What will be the output of the program? #include<stdio.h> int main() { int y=128; const int x=y; printf("%d\n", x); return 0; }
Options: 128,    Garbage value,    Error,    0

Ans:A ,A


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


The result of a SQL SELECT statement is a(n) ________ .
Options: report,    form,    file,    table

Ans:D ,D


Which of the following is true concerning triggers?
Options: You do not create them with SQL.,    They execute against only some applications that access a database.,    They have an event, condition, and action.,    They cannot cascade (cause another trigger to fire).

Ans:C ,C


Which of the following is not logical operator?
Options: &,    &&,    ||,    !

Ans:A ,A


Eight stations are competing for the use of a shared channel using the 'Adaptive tree Walk Protocol'. If the stations 7 and 8 are suddenly become ready at once, how many bit slots are needed to resolve the contention?
Options: 7 slots,    5 slots,    10 slots,    14 slots

Ans:A ,A


. Which of the following is drop down list?
Options: a. List b. Combo box c. Text area d. None

Ans: b, b


What is the shortcut key for “Font ” dialog box?
Options: Ctrl + F B. Ctrl + D C. Ctrl + G D. None of the above

Ans:– B ,


. Computer professionals working in a computer centre are
Options: A) Software B) Firmware C) Hardware D) Humanware

Ans:1-D,1-D


_____ are knowledge based system to which present rules are applied to solve a particular problem.
Options: ES,    AI,    KBS,    Base rule 0

Ans:A ,A


The term "remote job entry" relates to
Options: batch processing,    realtime processing,    transaction processing,    distributed processing

Ans:A ,A


. What do you mean by one to many relationship between student and class table?
Options: a. One student can have many classes b. One class may have many student c. Many classes may have many students d. Many students may have manu classes

Ans:0 – a ,0 – a

www.000webhost.com