Uttara Bank LTD. Senior Officer (Software) Written Test: 2019 (DU)প্রশ্ন ও সমাধান
- Set by
- Uttara Bank
- Post
- Senior Officer
- Exam date
- 2019
- Conducted by
- DU
- Questions
- 14 (0 MCQ, 14 written)
- Exam guide
- Bank IT jobs · ব্যাংকের আইটি চাকরি
- Programming · প্রোগ্রামিং 5
- Cloud & Emerging Tech · ক্লাউড ও উদীয়মান প্রযুক্তি 3
- Cyber Security · সাইবার নিরাপত্তা 1
- Data Structures · ডেটা স্ট্রাকচার 1
- Database · ডেটাবেজ 1
- Microprocessor · মাইক্রোপ্রসেসর 1
- Networking · নেটওয়ার্কিং 1
- Operating Systems · অপারেটিং সিস্টেম 1
What are the benefits of using cloud computing?
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What do you mean by cloud computing?
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What are the computer operating system and application program? Give examples of operating system?
Model answer
Operating System vs Application Program
| Aspect | Operating System (OS) | Application Program |
|---|---|---|
| Definition | System software that manages hardware and provides a platform on which other software runs | Software written to perform a specific task for the end user |
| When it runs | Loads first, at boot time, and runs continuously | Runs only when the user launches it, on top of the OS |
| Purpose | Manages CPU, memory, storage, I/O devices; provides a user interface | Solves a specific user need (word processing, browsing, accounting) |
| Dependency | Does not need another program to function | Cannot run without an underlying OS |
| Examples | Windows, Linux, macOS, Android | MS Word, Google Chrome, Excel, Photoshop |
graph TD
HW[Hardware] --> OS[Operating System]
OS --> APP1[Application: MS Word]
OS --> APP2[Application: Web Browser]
OS --> APP3[Application: Media Player]
Examples of operating systems:
- Desktop: Microsoft Windows, Linux (Ubuntu, Fedora), macOS.
- Mobile: Android, iOS.
- Server: Linux distributions (CentOS/RHEL), Windows Server, Unix.
Exam takeaway: the OS is the foundational "manager" software that sits directly on hardware and makes everything else possible; an application program is a task-specific tool that runs on top of the OS and depends entirely on the services (memory, file access, display) that the OS provides.
What are the basic concepts used in the object oriented programming language?
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Draw a binary min heap that results from inserting 9, 3, 7, 4, 8, 2, 6, 5 in that order into initially empty heap. Show each insertion step separetly. You do not need to show the aray representation. Just draw the trees.
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What are the properties of the command line arguments in C/C++?
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What is the different between including the header file with in angular braces <> and double quotes ("") in C program?
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Given an instruction in 8086 based assembly language program, MOV BL,AL. Now convert this assembly language instruction in to the machine code in HEX.
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Consider the following database:
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What is the difference between supervised and unsupervised learning? Give examples of each.
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Breafly explain what is NAT. How can NAT help in IP address depletion?
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C program to find sum of following series: 1 + 1/2 + 1/3 + 1/4……………+ 1/n.
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Write a function void changeCaseAndReverese(Char *s) using c programming language that will print the characters in the string S in reverse order and will also change the uppercase letters to lowercase letters and lowercase letters to uppercase. For example, if you call changeCaseAndReverese ("Hellow There"), it will print EREHt OLLEh.
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Employee causes the most risk of fraud and computer compromises- do you agree with the statement. Justify your answer.
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Question text is from the public recruitment exam; answers and explanations are written by ARBS Academy. All past papers · Bank IT jobs guide