Tag: technology

Questions Related to technology

What command cancels the print jobs that have been queued for printing?
technology operating systems

  1. lpr

  2. lprm

  3. lpq

  4. lpc

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Correct Option: B

What command used to suspend a foreground process?

technology operating systems

  1. control-x

  2. kill

  3. control-Z

  4. stop

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Correct Option: C

Java script case sensitive

technology web technology

  1. True

  2. False

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Correct Option: B

Java script does not provide error handling through try-catch block
technology web technology

  1. True

  2. False

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Correct Option: B

What are the ways to assign event handlers in java script (for example, to show a message box while closing the window) ?
technology web technology

  1. window.onunload=function() { alert('closing'); }

  2. window.onunload+=onClose; function onClose() { alert('closing'); }

  3. window.onunload=onClose; function onClose() { alert('closing'); }

  4. All the above

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Correct Option: A,C

How will you make a function to execute after 4 seconds ?
technology web technology

  1. setTimeout('functionname()',4)

  2. setTimeout('functionname()',4000)

  3. setTimeout('functionname()',400)

  4. None

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Correct Option: B

How will you get the html object in java script using its ID ?
technology web technology

  1. var obj=document.findControl('controlId');

  2. var obj=document.getObjectById('controlId');

  3. var obj=document.getElementById('controlId');

  4. var obj=document.getObject('controlId');

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Correct Option: C

From the current browser window, how to change the URL of the browser window which opened this current window ?

technology web technology

  1. window.parent.location='newpage.html'

  2. window.top.location='newpage.html'

  3. window.opener.location='newpage.html'

  4. Cannot be done

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Correct Option: C

How to check if a value is a number?
technology web technology

  1. if (isNumeric(numberVar)) {}

  2. if (!isNaN(numberVar)) {}

  3. if (isNumber(numberVar)) {}

  4. if (type(numberVar)=='Number') {}

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Correct Option: B

Out of these which one is not a valid flex chart component ?
technology web 2.0

  1. bubble

  2. candel stick

  3. pie

  4. tag cloud

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Correct Option: D