What is the size of MAC Address?


Options: 16-bits B. 32-bits C. 48-bits D. 64-bits

Ans:– C ,


Description: mcqquestions

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

Hits Today: 8166 | 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 Networks Related questions:


Doubling the operating voltage of a purely capacitive circuit:
Options: has no effect on the capacitive reactance,    doubles the amount of capacitive reactance,    multiplies the capacitive reactance by 7,    cuts the capacitive reactance in half

Ans:A ,A


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


A battery is a device composed of one or more:
Options: chemical cells,    voltage generators,    solar cells,    piezoeletric cells

Ans:A ,A


Which one of the following statements is true for the voltages in a series RC circuit?
Options: The total voltage is equal to the sum of the voltages across the resistance and capacitance,    The voltage always has the same amplitude and phase for every part of the circuit,    The total voltage is less than the sum of the voltages across the resistance and capacitance,    The total voltage is greater than the sum of the voltages across the resistance and capacitance

Ans:C ,C


Monte Carlo is an example of a(n)
Options: static model,    deterministic model,    optimizing model,    All of the above

Ans:D ,D


. Ctrl + C
Options: a. Copy the selected text b. Cut the selected text c. Print the selected text d. Paste the selected text

Ans:–  A,–  A


A group of magnetic tapes, videos or terminals usually under the control of one master is
Options: Cylinder,    Cluster,    Surface,    Track

Ans:B,(Banswer


Where can you find the Draw Table tool button?
Options:  A) Standard toolbar, B) Formatting toolbar, C) Drawing toolbar, D) Tables and Formatting toolbar, 

Ans:-D,-D


Indicate which is a pre-emptive scheduling algorithm
Options: Round-robin,    Shortest-job-next,    Priority-based,    All of the above

Ans:A ,A


The SKETCHPAD system
Options: consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen.,    is used for interactive Graphics,    is expensive because it is sophisticated and make demands on the power and resources of the computer.,    All of the above

Ans:D ,D


. ctrl, shift and alt are called __________ keys.
Options: a. adjustment b. function c. modifier d. alphanumeric

Ans:8 – c ,8 – c


In which of the following areas may ICAI programs prove to be useful?
Options: educational institutions,    corporations,    department of Defence,    All of the above

Ans:D ,D


Switches operates in which layer of the OSI model?
Options: Physical layer B. Data link layer C. Network layer D. Transport layer

Ans:B,Data link layer


An entity type is which of the following?
Options: A major category of data about people, place, and things,    The various departments of an organization,    The application software,    The business processes the support the mission of an organization

Ans:A ,A


Which of the following is not process states?
Options: New B. Running C. Ready D. Finished

Ans:– D ,


Benefits from a computerised MIS include:
Options: higher returns on short-term investments,    less frequent and smaller short-term loans,    lower rates of interest,    All of the above

Ans:D ,D


. The Search tool is best used when searching for ______ data.
Options: a. simple b. multiple c. unique d. formatted

Ans:6 – a ,6 – a


An example of an analog communication method is
Options: laser beam,    microwave,    voice grade telephone line,    All of the above

Ans:D ,D


What is the highest address possible if 16 bits are used for each address?
Options: 65536,    12868,    16556,    643897

Ans:A,A


The barrier potential accross each depletion layer is
Options: 0,    0.8 V,    0.7 V,    20 V

Ans:C ,C


Which file executes commands in DOS?
Options: MS-DOS.SYS,    CONFIG.SYS,    COMMAND.COM,    SYSTEM.INI

Ans:C ,C


Use of modern control technology in automation systems:
Options: reduces costs,    improves reliability,    increases yield,    All of the above

Ans:D ,D


Which of the following is used to create newspaper style columns?
Options:  A) Format Tabs, B) Table Insert Table, C) Insert Textbox, D) Format Columns, 

Ans:-D,-D


Which of the following is true concerning the mainframe?
Options: It is the same thing as client/server.,    Requires someone to decide which code should be on the workstation or the server.,    Mission-critical systems have tended to remain there.,    All of the above.

Ans:C ,C


When was vacuum tube invented?
Options: A) 1900 B) 1906 C) 1910 D) 1880

Ans:-B,-B


In ________ mode, the communication channel is used in both directions at the same time?
Options: Full-duplex B. Simplex C. Half-duplex D. None of the above

Ans:– A ,


Which of the following is not a practical data-processing approach?
Options: batch-sequential,    batch-direct,    immediate-sequential,    immediate-direct

Ans:C,C


Why Drop Caps are used in document?
Options:  A) To drop all the capital letters, B) To automatically begin each paragraph with capital letter, C) To begin a paragraph with a large dropped initial capital letter, D) None of above,

Ans:-C,-C


The slowest transmission speeds are those of
Options: twisted-pair wire,    coaxial cable,    fiber-optic cable,    microwaves

Ans:A ,A


Which of the following languages is more suited to a structured program?
Options: PL/1,    FORTRAN,    BASIC,    PASCAL

Ans:D ,D


  Which option can be used to set custom timings for slides in a presentation?
Options: Slider Timings B. Slider Timer C. Rehearsal D. Slide Show Setup

Ans:– C ,


. In order to perform a calculation in a spreadsheet, you need to use a:
Options: a. table b. formula c. field d. variable

Ans:– b,– b


. In Excel, the Fill Color button on the Formatting toolbar is used for what?
Options: a. To insert a background. b. To add borders. c. To select a distribution of figures. d. To add shading or color to a cell range.

Ans:– d,– d


Which SQL Query is use to remove a table and all its data from the database? a. Create Table b. Alter Table c. Drop Table d. None of these
Options: Every primary-key value must match a primary-key value in an associated table B. Every primary-key value must match a foreign-key value in an associated table C. Every foreign-key value must match a primary-key value in an associated table D. Every foreign-key value must match a foreign-key value in an associated table

Ans:– c ,


. Which of the following is a standard file format language for web documents?
Options: a. HTML b. XML c. XSD d. XSL

Ans:3 – a ,3 – a


The time required for the fetching and execution of one simple machine instruction is
Options: Delay time,    CPU cycle,    Real time,    Seek time

Ans:B,(Banswer


To prevent the computer from overheating you should?
Options: Remove the slot cover from the back,    Keep the computer cover closed,    Remove the CPU fan,    All of the above

Ans:B ,B


A tuple is a(n):
Options: column of a table.,    two dimensional table.,    row of a table.,    key of a table.

Ans:C ,C


Data integrity control
Options: is used to set upper and lower limits on numeric data,    requires the use of passwords to prohibit unauthorized access to the file,    has the data dictionary keep the date and time of last access last back-up, and most recent modification for all files,    All of the above

Ans:C ,C


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

Ans:– A ,– A


Binary search algorithm can not be applied to
Options: a. sorted linked list b. sorted binary trees c. sorted linear array d. pointer array

Ans:- a,- a


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

Ans:A ,A


You can quickly change the appearance of your work by choosing Auto Format from the …. Menu
Options: a. Edit, b. View, c. Format, d. Tools

Ans:C,Format


A translator which reads an entire programme written in a high level language and converts it into machine language code is:
Options: assembler,    translator,    compiler,    system software

Ans:C ,C


Which bitwise operator is suitable for checking whether a particular bit is on or off?
Options: && operator,    & operator,    || operator,    ! operator

Ans:B ,B


Which of the following is true about ColdFusion Markup Language (CFML)?
Options: It is stored in .asp files.,    It is executed on the client.,    It does not use tags.,    It allows for coding of custom tags in an HTML file.

Ans:D ,D


Which of the following is not an Schema?
Options: Database Schema B. Physical Schema C. Critical Schema D. Logical Schema

Ans:– C ,


Which command will be used with vi editor to replace single character under cursor with any number of characters?
Options: s,    S,    a,    i

Ans:A ,A


What will be the output of the program? #include<stdio.h> int main() { enum color{red, green, blue}; typedef enum color mycolor; mycolor m = red; printf("%d", m); return 0; }
Options: 1,    0,    2,    red

Ans:B ,B


Relay ladder logic is used in a PC because:
Options: it is impossible to write a control program for a machine in any other logic,    it is the best industrial control language ever developed.,    most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use,    All of the above

Ans:C ,C

www.000webhost.com