What does DMA stand for?


Options: Distinct Memory Access B. Direct Memory Access C. Direct Module Access D. Direct Memory Allocation

Ans:– B ,


Description: mcqquestions

Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

Hits Today: 10415 | Level: Moderate




Got some suggestion about this question or to make this site better? Please leave your comments below.


Want to see where do you stand among other aspirants in "Computer" Category?

Click Here to take quick 5 mins MCQ test to find out.

More Computer Fundamental Related questions:


What prevents a robotic instrument from running into other objects?
Options: negative image,    functional manipulators,    memory,    sensory devices

Ans:D ,D


Which of the following is not Modification of the Database
Options: Deletion B. Insertion C. Sorting D. Updating

Ans:– C ,


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

Ans:D,(Danswer


Time during which a job is processed by the computer is
Options: Delay time,    Real time,    Execution time,    Down time

Ans:C,C


With an IP address of 201.142.23.12, what is your default subnet mask?
Options: 0.0.0.0,    255.0.0.0,    255.255.0.0,    255.255.255.0

Ans:D ,D


ISDN uses _____ technology.
Options: only digital,    digital and analog,    only analog,    neither digital nor analog

Ans:A ,A


Which of the following can be used to divide a web page into areas?
Options: frames B. theme C. table of contents D. none of the above

Ans:– A ,


The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?
Options: External memory,    I/O memory,    ROM,    Buffer memory

Ans:D ,D


What is meant by the term RAM?
Options: Memory which can only be read,    Memory which can be both^read and written to,    Memory which is used for permanent storage,    Memory which can only be written to

Ans:B,B


Acceptance testing is
Options: running the system with line data by the actual user,    making sure that the new programs do in fact process certain transactions according to Specifications,    is checking the logic of one or more programs in the candidate systems,    testing changes made in an existing or a new program

Ans:A ,A


. Computer instructions written with the use of English words instead of binary machine code is called
Options: A) Mnemonics B) Symbolic code C) Gray codes D) Opcode

Ans:B,B


When operating above its resonant frequency, a series RLC circuit has the characteristics of a:
Options: series RL circuit,    series RC circuit,    series RLC circuit operated below its resonant frequency,    purely resistive circuit

Ans:A ,A


Specify the 2 library functions to dynamically allocate memory?
Options: malloc() and memalloc(),    alloc() and memalloc(),    malloc() and calloc(),    memalloc() and faralloc()

Ans:C ,C


Which network topology is considered passive?
Options: Cross,    Bus,    Star,    Mesh

Ans:B,Bus


What is the default subnet mask for a class B network?
Options: 127.0.01,    255.0.0.0,    255.255.0.0,    255.255.255.0

Ans:C ,C


The major responsibilities of the data-base administrator are all of the following except:
Options: analyzing application systems,    advising programmers,    designing data base,    developing data dictionaries

Ans:A ,A


The CAI (Computer-Assisted Instruction) technique based on programmed instruction is:
Options: frame-based CAI,    generative CAI,    problem-solving CAI,    intelligent CAI

Ans:A ,A


. The short cut key Ctrl + R is used in Excel to
Options: a.  Right align the content of cell b.  Remove the cell contents of selected cells c.  Fill the selection with active cells to the right d.  None of above

Ans:– c,– c


To preview a motion path effect using the custom animation task pane, you should
Options: a. click the play button b. click the show effect button c. double click the motion path d. all of above

Ans: – A , – A


Which command will be used to display file and directory names only, without size, date, and time information?
Options: DIR/W,    DIR A:,    DIR/B,    DIR/S

Ans:C ,C


Entities can be associated with one another in which of the following?
Options: Entities,    Attributes,    Identifiers,    Relationships

Ans:D ,D


In order to use a record management system
Options: You need to understand the low-level details of how information in stored,    You need to understand the model the record management system uses.,    Both (a) and (b),    All of the above

Ans:B ,B


. Pick the one that is used for logical operations or comparisons such as less than equal to or greater than.
Options: A) Arithmetic and Logic Unit B) Control Unit C) Both of above D) None of above

Ans:A,A


Which of the following is not a characteristic of good test data
Options: users do not participate at this preliminary stage,    should be comprehensive,    every statement should be executed,    All of the above

Ans:A ,A


Compared to an open-loop system, a closed-loop control system is:
Options: more accurate,    more complex,    more stable,    All of the above

Ans:D ,D


Which DOS command will format a floppy disk and transfer the system files
Options: SYS C: A:,    SYS A:,    FORMAT A: /S,    FORMAT A: /T

Ans:C ,C


. A Chart can be put as a part of the presentation using
Options: a. Insert -> Pictures –> Chart b. Insert –> Chart c. Edit –> Chart d. View -> Chart

Ans:0 – A ,0 – A


 Which of the following file format supports in Windows 7? A)  NTFS B)  BSD C)  EXT D)  All of the above
Options:

Ans:– A ,


With respect to personnel matters in the United States, OSHA stands for
Options: Overseas Housing Authority,    Occupational Safety and Health Act,    Office Standard Help Agreement,    Office Staff Help Administration

Ans:B ,B


Which of the following range is a valid long double (Turbo C in 16 bit DOS OS) ?
Options: 3.4E-4932 to 1.1E+4932,    3.4E-4932 to 3.4E+4932,    1.1E-4932 to 1.1E+4932,    1.7E-4932 to 1.7E+4932

Ans:A ,A


. Which would you choose to display the statistics about a document?
Options: a. tools, word count b. insert, statistics c. tools, spelling and grammar d. tools, statistics

Ans: –  A , –  A


What is the shortcut key to start presentation from current slide?
Options: F5 B. Alt + F5       C. Ctrl + F5 D. Shift + F5

Ans:– D ,


Sending data from one place to another, by physical or electronic means is
Options: E-mail,    Internet,    Data transmission,    Distributed processing.

Ans:C ,C


The model for a _____ resembles the hierarchical model in many respects.
Options: Network database,    Relational database,    Distributed database,    Hierarchical database

Ans:A ,A


. Columns dialog box can be opened from
Options: a. Format menu Columns submenu b. Double click on column space in ruler c. Press Alt + O + C d. All of above

Ans:– D,– D


What programming language(s) or scripting language(s) does Java Server Pages (JSP) support?
Options: VBScript only,    Jscript only,    Java only,    All of the above are supported

Ans:C ,C


. A .... is a named location on a disk where files are stored
Options: a. Folder b. Pod c. Version d. None of the above

Ans: a, a


A greater proportion of time spent in directing on the
Options: top management level,    middle management level,    lower management level,    All of the above

Ans:C ,C


Which one of the following phrases best describes residual magnetism?
Options: Magnetism that remains in the core of an electromagnet after the current through the coil is turned off,    The force of attraction between the poles of a permanent and temporary magnetic field,    The amount of magnetic flux that is not confined to the core material of an electromagnet,    The circular magnetic field that surrounds a conductor carrying a current

Ans:A ,A


.Arrays are best data structures
Options: A)for relatively permanent collections of data b.for the size of the structure and the data in the structure are constantly changing c.for both of above situation d.for none of above situation

Ans:A,A


Which of the following affects the extent to which you are involved with the system development life cycle in your company?
Options: your job description,    size of the organization,    your relevant experience,    All of the above

Ans:E ,E


A complete microcomputer system consists of
Options: a . microprocessor b . memory c . peripheral equipment d . all of above

Ans:3.d,3.d


How is ink transferred to paper in common ink jet printers?
Options: Boiling ink,    Crystal,    Motorized pump,    Screens deflect ink on the paper into the proper positions

Ans:B ,B


Underlined character on the menu or dialog box known as
Options: a. Hot spot, b. Hot key, c. Pane, d. Underline word

Ans:b,Hot key


A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage?
Options: 15 V,    16 V,    7.5 V,    8 V

Ans:A ,A


What multicast addresses does EIGRPv6 use?
Options: FF02::A,    FF02::9,    FF02::5,    FF02::6

Ans:A ,A


Locking may cause which of the following problems?
Options: Erroneous updates,    Deadlock,    Versioning,    All of the above.

Ans:B ,B


If you delete the contents of NVRAM and reboot the router, what mode will you be in?
Options: Privileged mode,    Global mode,    Setup mode,    NVRAM loaded mode

Ans:C ,C


. Essential files of DOS are
Options: a. Command.com and IO.Sys b. IO.Sys and DOS.Sys c. DOS.Sys and Command.com d. Autoexec.bat and Config.sys

Ans:2 – b ,2 – b


. Which of the following is correct?
Options: =POWER(2^3) B. =POWER(2,3)             C. =POWER(2#3) D. =POWER(2*3)

Ans:– B ,

www.000webhost.com