451 . Which must do the return compressed files to their original state--
  • A. Extract
  • B. Archive
  • C. Zip
  • D. Delete
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প্রিমিয়াম প্ল্যান: ১ মাস
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৩০ দিনের জন্য সকল লাইভ এবং আর্কাইভ মডেল টেস্ট, প্রশ্ন ব্যাংক ও লেকচার শিট সহ অ্যাপ এর প্রিমিয়াম সব এক্সেস পাবেন।
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452 . Which must do to return compressed files to their original state-  
  • A. Extract
  • B. Archive
  • C. Zip
  • D. Delete
View Answer
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453 . Which of following provides reliable communication?
  • A. IP
  • B. TCP
  • C. UDP
  • D. All of them
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454 . Which of following statements is connected with manged switch?
  • A. It can configure each port diffrently and make VLAN
  • B. It can manage traffic like a router
  • C. It can ensure transport lyer security
  • D. None of the above
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455 . which of the declaration is correct ?
  • A. Int length,
  • B. char int;
  • C. int long ;
  • D. float double;
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456 . which of the following algorithms can not be designed without recursion?
  • A. Fibonacci series
  • B. Tower of Hanoi
  • C. None of A and B
  • D. Both A and B
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457 . Which of the following application software can be used for real life conversation or teleconferencing over internet?
  • A. SPSS
  • B. Skype
  • C. Adobe Acrobat
  • D. Both a. and b.
  • E. None of these
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458 . Which of the following applications is used for calculations?
  • A. Microsoft Word
  • B. Microsoft Excel
  • C. Microsoft Outlook PowerPoint
  • D. Microsoft
  • E. Adobe Acrobat
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459 . Which of the following are you probably using if you are viewing windows and icons ?
  • A. Menu-driven Interface
  • B. Graphical Interface
  • C. Command Driven Interface
  • D. Character User Interface
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460 . Which of the following cards used in POS terminal in order to pay for purchasing goods?
  • A. Debit Card and Credit Card
  • B. Debit Card
  • C. Credit Card
  • D. None of the above
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461 . Which of the following commands is given to reboot the computer ?
  • A. Ctrl + Alt + Del
  • B. Ctrl + Alt + Tab
  • C. Ctrl + Shift + Del
  • D. Ctrl + Shift + Tab
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462 . Which of the following commands is given to reboot the computer?
  • A. Ctrl + Alt + Del
  • B. Ctrl+Alt+ Tab
  • C. Ctrl + Shift + Del
  • D. Ctrl + Shift + Tab
  • E. Ctrl+Alt+Shift
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463 . Which of the following components has the highest failure risk?
  • A. Hard disk
  • B. Compact disk
  • C. Magnetic tape
  • D. RAM
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464 . Which of the following components will hold a charge even through power had been removed?
  • A. Diode
  • B. Transistor
  • C. Capacitor
  • D. Rectifier
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465 . which of the following correctly shows the hierarchy of arithmetic operations in C?
  • A. / + * -
  • B. * - / +
  • C. + - / *
  • D. / * + -
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