166 . If same message is passed to objects of several different classes and all of those can respond in a different way, what is this feature called?
  • A. Inheritance
  • B. Overloading
  • C. Polymorphism
  • D. Overriding
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Senior Officer (IT) - Sonali-Janata-BD Krishi-BD Development Bank Ltd - 30.11.2018
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167 . If we have a very small amount of additional memory,but a large number of items to sort,which of the following sorting algorithm should we use?
  • A. Merge sort
  • B. Heap sort
  • C. Buble sort
  • D. Bogo sort
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বিভিন্ন মন্ত্রণালয় | সহকারী ম্যানটেনেন্স প্রকৌশলী | 24-05-2022
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168 . Impedence and capacitance of a transmission line depend upon-
  • A. Current in the line alone
  • B. voltage in the line alone
  • C. Both A and B
  • D. Physical configuration of conductors in space
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বিভিন্ন মন্ত্রণালয় | সহকারী ম্যানটেনেন্স প্রকৌশলী | 24-05-2022
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169 . In a client / server model, a client program.........   
  • A. asks for information
  • B. provides information and files
  • C. distributes data files to other computers
  • D. None
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170 . In a computer, text codes convert letters into --
  • A. Graphics
  • B. Binary format
  • C. Magnetic pulse
  • D. Characters
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সমন্বিত ৫ ব্যাংক | অফিসার ক্যাশ | 25-03-2022 ||
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171 . In a computer, WAV file format is associated with what type of files?  
  • A. Video
  • B. Sound
  • C. Image
  • D. Document
  • E. None of these"
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172 . In a computer, which of the following keys you can use to get help in most of the programs?
  • A. F10
  • B. F3
  • C. FI
  • D. ESC
  • E. None of these
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173 . In a computer program the process of executing the same instructions over and over is called?
  • A. Branching
  • B. Looping
  • C. Circulating
  • D. Hierarchical Charting
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174 . In a flowchart, a diamond generally stands for---
  • A. Start / End
  • B. Decision
  • C. Processing
  • D. Input / Output
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175 . In a flowchart, a diamond generally stands for -  
  • A. Start/End
  • B. Decision
  • C. Processing
  • D. Input/Output
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176 . In a punched card system, data is processed by a--
  • A. Keypunch machine, sorter and posting machine
  • B. Accounting machine, posting machine and billing machine
  • C. Sorter, posting machine and billing machine
  • D. Accounting machine, Keypunch machine and sorter
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177 . In an email address 'aaa@bbb.ccc', the portion 'bbb' indicates?
  • A. Domain name
  • B. TCP/IP Layer name
  • C. Domain type
  • D. Protocol name
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178 . In Bangladesh, BTRC provides bandwidth of internet services through submarine cable network. Which of the following submarine cable networks is connected with Bangladesh?
  • A. SEA-ME-WE
  • B. FLAG
  • C. Southern Cross Cable
  • D. C2C North Ring
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Bangladesh Bank - Officer - 2015
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179 . In computer terms, what does' encryption of data' mean?
  • A. Data cannot be sent over the internet
  • B. Data is encoded so it cannot be read without decoding software
  • C. Data is kept locked in special room
  • D. None of the above
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180 . In computer terms, what does 'cncryption of data' mean?
  • A. Data cannot be sent over the internet
  • B. Data is encoded so it cannot be read without decoding software
  • C. Data is kept locked in special room
  • D. None of the above
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