586 . Which one of the following is a read only memory storage device?

A. CD-ROM
B. Hard disk
C. Floppy disk
D. Pen drive
E. None of these

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Answer: Option A

Explanation:

587 . Which one of the following is an example of file compression software in a computer?

A. Win Compress
B. MS Compress
C. WinZip
D. MS FileZip
E. None of these

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Answer: Option C

Explanation:

The best file compression software will make it easy to compress files for easy storage, while also being able to work with multiple compression file types.

WinZip. The original and best file compression tool.

WinRAR. The best file compression software for RAR files.

7 - Zip.

Zip Archiver.

PeaZip.

588 . Which one of the following is not an application software?

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

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Answer: Option A

Explanation:

589 . Which one of the following is not an input device for computers?

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

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Answer: Option A

Explanation:

In computing, a printer is a peripheral machine which makes a persistent representation of graphics or text, usually on paper.

While most output is human - readable, bar code printers are an example of an expanded use for printers

The different types of printers include 3D printer, inkjet printer, laser printer, thermal printer, etc.

590 . Which one of the following is not an open source operating system?

A. Red Hat Linux
B. Unix
C. Windows XP
D. Sun Solaris
E. None of these

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Answer: Option C

Explanation:

Open Source কথাটির অর্থ হল যা সকলের জন্য উন্মুক্ত। অর্থাৎ কোন অপারেটিং সিস্টেম কোন programming language ব্যবহার করে তৈরি করা হয়েছে, এটি কিভাবে পরিচালিত হচ্ছে, কিভাবে এর পরিবর্তন করা যায় - এই সংক্রান্ত তথ্য সকলের জন্য উন্মুক্ত। নিজের প্রয়োজন অনুসারে পরিবর্তনেরও সুযোগ আছে।

সাধারণত microsoft - এর Windows XP তৈরি করার জন্য যে সকল প্রোগ্রামিং ল্যাঙ্গুয়েজ বা প্রযুক্তি ব্যবহার করা হয়েছে তা সকলের জন্য উন্মুক্ত নয়। এজন্যই Windows XP (উইন্ডোস এক্সপি) Open Source নয়।

কিছু Open Source Operating Software এর মধ্যে Unix, Linux, Sun solaris (Property of Unix) উল্লেখযোগ্য।

591 . 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।

593 . 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.

594 . 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.

595 . 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:

597 . 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:

598 . 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

600 . 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.

586 . Which one of the following is a read only memory storage device?

587 . Which one of the following is an example of file compression software in a computer?

588 . Which one of the following is not an application software?

589 . Which one of the following is not an input device for computers?

590 . Which one of the following is not an open source operating system?

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

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

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

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

595 . Which one of the following is Utility Software?

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

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

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

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

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

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