A processing unit that coordinates networks and data communication is known as


Options: Control unit,    Communications processor,    Register unit,    CPU

Ans:B,B


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

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More Computer Fundamental Related questions:


. When you quickly press and release the left mouse button twice you are
Options: a. Primary clicking b. Pointing c. Double clicking d. Secondary clicking

Ans:1 – c ,1 – c


. Following IC chip integrates 100 thousands electronic components per chip
Options: A) SSI B) MSI C) LSI D) VLSI

Ans:1-C,1-C


Sequential or series 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 system,    testing changes made in an existing or a new program

Ans:C ,C


A way to transfer programs to a central system is:
Options: by setting bit switches on the central CPU,    to copy the program into PROMs and install the PROMs in the system,    to develop the program on the actual system only,    All of the above

Ans:B ,B


As per symbolic notation of DOS, which of the following indicates the ROOT directory
Options: a. * b. >  c. / d. None of the above

Ans:7 d.,7 d.


Which of the following is considered to be an interface between the functional applications and the data base?
Options: management information systems,    data-base management systems,    decision-support systems,    data-processing systems

Ans:B ,B


96. What is the shortcut key for “Font” dialog box?
Options: a. Ctrl + F b. Ctrl + D c. Ctrl + G d. None of the above

Ans:–  B ,–  B


If a sine wave has a frequency of 500 Hz, the period in seconds of the sine wave is:
Options: 5000,    0.003,    0.02,    0.002.

Ans:D ,D


As opposed to detailed transaction information, the management information system (MIS) responds to the need for
Options: electronic data processing,    managerial information,    accounting application,    utility billing information

Ans:B ,B


In raster-scan colour monitors, colour can be intensified by:
Options: grouping the phosphor dots in a circular pattern,    having each electron gun controlled by a composite signal,    using an in-line gun arrangement with a solid metal mesh,    having each electron gun controlled by separate signal

Ans:D ,D


The systems conversion technique of totally removing the existing system and immediately implementing the new system is called a
Options: pilot conversion,    crash conversion,    phased conversion,    parallel run

Ans:B ,B


Which of the following is not anti-viruses software?
Options: NAV B. F-Prot C. Oracle D. McAfee

Ans:– C ,


A device mounted on a communication satellite which receives, amplifies and re-transmits signals from earth station is
Options: Track,    Transponder,    Transistor,    Terminal

Ans:B ,B


Thesaurus tool in MS Word is used for
Options:  A) Spelling suggestions, B) Grammar options, C) Synonyms and Antonyms words, D) All of above,

Ans:-C,-C


What command is used with vi editor to move forward to the end of a word?
Options: c,    d,    b,    e

Ans:D ,D


Which of the following allows dirty reads, nonrepeatable reads and phantom reads to occur?
Options: Read committed,    Read uncommitted,    Repeatable read,    Serializable

Ans:B ,B


Which scheduler selects which processes should be brought into the ready queue?
Options: Real-term B. Long-term C. Mid-term D. Short-term

Ans:– B ,


Straight-line operations:
Options: must be limited to two per workpiece,    must be parallel to one of the axes of the coordinate system,    can include diagonal cuts if they aren't curved,    All of the above

Ans:B ,B


Which of the following is an integrated collection of data with minimum redundancy, so that different applications can use the required data.
Options: records,    file,    DBMS,    schema

Ans:C ,C


Which one of the following devices is most often used for measuring electrical potential difference?
Options: Voltmeter,    Ohmmeter,    Ammeter,    Wattmeter

Ans:A ,A


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 ,


What device protects against line deficiencies?
Options: Surge protector,    UPS,    Logic probe,    Capacitor

Ans:B ,B


Which of the following function is correct that finds the length of a string?
Options: int xstrlen(char *s) { int length=0; while(*s!='\0') { length++; s++; } return (length); } ,    int xstrlen(char s) { int length=0; while(*s!='\0') length++; s++; return (length); } ,    int xstrlen(char *s) { int length=0; while(*s!='\0') length++; return (length); } ,    int xstrlen(char *s) { int length=0; while(*s!='\0') s++; return (length); }

Ans:A ,A


. The insertion point looks like a(n) ____.
Options: a. H-pointer b. I-pointer c. H-beam d. I-beam

Ans:4 – d ,4 – d


. Which tool you will use to join some cells and place the content at the middle of joined cell?
Options: a.  From Format Cells dialog box click on Merge Cells check box b.  From Format Cells dialog box select the Centered alignment c.  From Format Cells dialog box choose Merge and Center check box d.  Click on Merge and Center tool on formatting toolbar

Ans:– d,– d


A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file.
Options: File structure,    Records,    Fields,    Database

Ans:C ,C


For a pure capacitor:
Options: ac current and voltage are exactly in phase,    ac current leads the voltage by 90 degree,    ac current is converted to dc voltage,    ac current lags the voltage by 90 degree

Ans:B ,B


Which of the following communications service provides message preparation and transmission facilities?
Options: Teletex,    Teletext,    x400,    Fax

Ans:A ,A


Which is the acronym for Algol extended for design.
Options: AFIPS,    ADP,    AED,    CAI

Ans:C ,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 commands is used to copy a file wb from the programs directory into a file called wbx in the misc directory?
Options: copy programs/wb misc/wbx,    cp programs/wb misc/wbx,    tar programs/wb misc/wbx,    copy a:programs/wb b:misc/wbx

Ans:B ,B


Which of the following commands sets a trunk port on a 2960 switch?
Options: trunk on,    trunk all,    switchport trunk on,    switchport mode trunk

Ans:D ,D


Which option on the custom animation task pane allows you to apply a preset or custom motion path?
Options: a. Add effect b. Emphasis c. Animate now d. All of the above

Ans: – A , – A


What file contains the list of port numbers (and associated names) monitored by inetd?
Options: /etc/services,    /etc/nsorder,    /etc/nsswitch.conf/,    /etc/hosts

Ans:A ,A


Which of the following is (are) the characteristic(s) of a system?
Options: organization,    Interaction,    Interdependence,    All of the above

Ans:D ,D


Which of the following is not likely to occur in the near future?
Options: the presidential election will be done by pushing buttons at home.,    the political issue of establishing an information-assistance program will be raised.,    most workers will choose working at hoe, so the traditional workplace will disappear,    automation will reduce job opportunities, thus resulting in a lower standard of living.

Ans:B ,B


Batch processing is appropriate if
Options: a large computer system is available,    only a small computer system is available,    only a few transactions are involved,    All of the above

Ans:E ,E


Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
Options: rm *,    rm -r *,    rm all,    rm *.*

Ans:B ,B


What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
Options: NAT,    Static,    Dynamic,    PAT

Ans:D ,D


Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?
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Microfilm reader is a
Options: OCR device,    COM device,    MICR device,    None of the above

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. Perforated paper used as input of output media is known as
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Ans:9-A,9-A


Ctrl + G
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During preventative maintenance on a dot matrix printer, do NOT lubricate:
Options: Platen assembly,    Print head pulley,    Print head pins,    Paper advance gear bushings

Ans:C ,C


. How many types of storage loops exists in magnetic bubble memory
Options: A) 8 B) 4 C) 16 D) 2

Ans:D,D


. Edit >> Delete command
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Ans:– d,– d


. In Word 2007 the Zoom is placed on
Options: a. View tab b. Home tab c. Status bar d. A & C both

Ans:– D,– D


Which of the following is considered to be the address after translation?
Options: Inside local,    Outside local,    Inside global,    Outside global

Ans:C ,C


. What was the first computer to perform all calculation using electronics rather than wheels, ratchets, or mechanical switches?
Options: A) Mark I B) ABC C) Z3 D) None of above

Ans:B,B


A binary relationship is which of the following?
Options: A relationship between two attributes,    A relationship between two entities,    An attribute with two different relationships,    An entity with two different relationships

Ans:B ,B

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