586 . Which one of the following is not considered as a from of secondary storage?

A. Floppy disk
B. Optical Disk
C. RAM
D. Flash Drive

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Answer: Option C

Explanation:

সমন্বিত ৫ ব্যাংক || অফিসার (ক্যাশ) (11-03-2022)

A. Twisted pair cable
B. Coaxial cable
C. Cat-5
D. Fiber optic cable
E. Cat-6

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Answer: Option D

Explanation:

অপটিক্যাল ফাইবার(ইংরেজি: Optical fiber) একধরনের পাতলা, স্বচ্ছ তন্তু বিশেষ, সাধারণত বিশুদ্ধ কাঁচ (সিলিকা) অথবা প্লাস্টিক দিয়ে বানানো হয়, যা আলো পরিবহনে ব্যবহৃত হয়।

অপটিক্যাল ফাইবার দিয়ে লম্বা দুরত্বে অনেক কম সময়ে বিপুল পরিমাণ তথ্য পরিবহন করা যায়। অপটিক্যাল ফাইবারের আরো অনেক সুবিধার মধ্যে উল্লেখযোগ্য হলো - এই ব্যবস্থায় তথ্য পরিবহনে তথ্য ক্ষয় কম হয়, তড়িৎ - চুম্বকীয় প্রভাব থেকে মুক্ত ইত্যাদি।

588 . Which one of the following is the most common output device?

A. Keyboard
B. Monitor
C. Scanner
D. Printer
E. None of these

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Answer: Option B

Explanation:

The most common output device is the monitor or VDU. Modern monitors, where the case isn't more than a few centimetres deep, are usually Liquid Crystal Displays (LCD) or Thin Film Transistors (TFT) monitors. Older monitors, where the case is likely to be around 30 cm deep, are Cathode Ray Tube (CRT) monitors.

589 . Which one of the following is true about firewalls?

A. It filters network traffic
B. It can be either a hardware or software device
C. It follows a set of rules
D. All of these
E. None of these

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Answer: Option D

Explanation:

Firewalls are filters network traffic which follows a set of rules and can either be used as hardware or software device. They are often categorized as network or host - based firewalls. Network firewall filter traffic between two or more networks while host networks run on host computers. Firewall is a network security system designed to prevent unauthorized access to or from private network. Network firewalls are used to prevent unauthorized internet users from accessing the private network especially intranets.

590 . Which one of the following is Utility Software?

A. MS-Word
B. McAfee
C. Windows XP
D. Oracle

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Answer: Option B

Explanation:

Utility software is software designed to help to analyze, configure, optimize or maintain a computer.

It is used to support the computer infrastructure - in contrast to application software, which is aimed at directly performing tasks that benefit ordinary users. However, utilities often form part of the application systems.

Bangladesh Bank - Officer - 2015

A. Ctrl + C
B. Ctrl + X
C. Ctrl + F
D. Ctrl + Ctrl + S
E. None of these

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Answer: Option C

Explanation:

592 . Which one of the following programming language is not a high level language?

A. FORTRAN
B. C++
C. Java
D. Oracle

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Answer: Option D

Explanation:

593 . Which one of the following represent the binary equivalent of the decimal number 23?

A. 01011
B. 10111
C. 10011
D. None of these

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Answer: Option B

Explanation:

এটি একটি বিশেষ একটি বিশেষ সিরিজ যার মাধ্যমে কোন সংখ্যাকে বাইনারিতে পরিবর্তন করা যায়।

১. প্রথমত, সংখ্যাটি (23) বিজোড় হলে Series এর 1 সংখ্যাটিকে কাউন্ট করতে হবে আর জোড় হলে 1 সংখ্যাটিকে কাউন্ট করার দরকার নেই। সেখানে শূন্য বসাতে হবে। সুতরাং, বাকি থাকে 22।

Series: 128 - 64 - 32 - 16 - 8 - 4 - 2 - 1

Count: 1

২. সংখ্যাটি Series এর যেই বৃহত্তম সংখ্যার কাছাকাছি সেই সংখ্যাটিকে কাউন্ট করতে হবে এখানে সংখ্যাটি ২২ সুতরাং কাছাকাছি বৃহত্তম সংখ্যা 16। সুতরাং 16 এর নিচে 1 কাউন্ট বসাতে হবে।

Series: 128 - 64 - 32 - 16 - 8 - 4 - 2 - 1

Count: 1 1

৩. সর্বমোট আমাদের হাতে জমা হলো 17। বাকি থাকে 6 এবার মিলিয়ে দেখতে হবে কোন কোন কোন সংখ্যা নিলে 6 সংখ্যাটি বের করা যায়। অবশ্যই 4 এবং 2। সুতরাং 4 এবং 2 এর নিচে 1 কাউন্ট বসাতে হবে।

Series: 128 - 64 - 32 - 16 - 8 - 4 - 2 - 1

Count: 0 - 0 - 0 - 1 - 0 - 1 - 1 - 1

Bangladesh Bank - Assistant Director - 2014

A. 01011
B. 10111
C. 10011
D. None

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Answer: Option B

Explanation:

Series: 128 - 64 - 32 - 16 - 8 - 4 - 2 - 1

Count: 1

Series: 128 - 64 - 32 - 16 - 8 - 4 - 2 - 1

Count: 1 1

Series: 128 - 64 - 32 - 16 - 8 - 4 - 2 - 1

Count: 0 - 0 - 0 - 1 - 0 - 1 - 1 - 1

595 . Which one of the following services does not normally use TCP?

A. DNS
B. HTTP
C. FTP
D. None

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Answer: Option D

Explanation:

TCP service use SMTP, SNMP, FTP, HTTP, DNS means Domain Name System which use IP.

596 . Which one of the following stores more data than a DVD?

A. CD Rom
B. Floppy disk
C. Red-Ray Disk
D. Blu-Ray Disk

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Answer: Option D

Explanation:

Blu ray disk stores more data than DVD.

বাংলাদেশ ব্যাংক অফিসার ০২ -১২-২০২২

A. Changing passwords frequently
B. Installing a spyware program
C. Using a proxy
D. All of these
E. None of these

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Answer: Option D

Explanation:

LAN is local area network which uses a proxy to improve your LAN security. This type of security is necessary because it protects networks from security breaches to which wireless transmissions are susceptible.

598 . Which one of the followings is not an application software

A. Java
B. MS Word
C. MS Excel
D. Accounting Package

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Answer: Option A

Explanation:

ব্যবহারিক সমস্যা সমাধানের জন্য ব্যবহৃত প্রোগ্রামকে ব্যবহারিক বা আ্যপ্লিকেশন সফট্যায়র বলে। জাবা হলো কম্পিউটারের প্রোগ্রামিং ল্যাাংগুয়েজ। যা তৃতীয় প্ররজন্মের ভাষা হিসাবে পরিচিত।

599 . Which one works as an output and input device?

A. Modem
B. Scanner
C. Mouse
D. Monitor

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Answer: Option A

Explanation:

A modulator - demodulator, or simply a modem, is a hardware device that converts data from a digital format, intended for communication directly between devices with specialized wiring, into one suitable for a transmission medium such as telephone lines or radio.

A modem modulates one or more carrier wave signals to encode digital information for transmission, and demodulates signals to decode the transmitted information. The goal is to produce a signal that can be transmitted easily and decoded reliably to reproduce the original digital data.

600 . Which operation is not performed by computer?

A. Inputting
B. Processing
C. Controlling
D. Understanding

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Answer: Option D

Explanation:

Bangladesh Bank - Officer(Cash) - 2016

586 . Which one of the following is not considered as a from of secondary storage?

587 . Which one of the following is the fastest data transmission media?

588 . Which one of the following is the most common output device?

589 . Which one of the following is true about firewalls?

590 . Which one of the following is Utility Software?

591 . Which one of the following keyboard shortcuts is used to find a specific word in a MS Word document?

592 . Which one of the following programming language is not a high level language?

593 . Which one of the following represent the binary equivalent of the decimal number 23?

594 . Which one of the following represent the binary equivalent of the decimal number 23?

595 . Which one of the following services does not normally use TCP?

596 . Which one of the following stores more data than a DVD?

597 . Which one of the following will help you to improve your LAN security?

598 . Which one of the followings is not an application software

599 . Which one works as an output and input device?

600 . Which operation is not performed by computer?

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