Information technology MCQs
Showing 50 questions (Total: 2310)
which of the following type of technology lets computers use light as a source of input?
Correct Answer:
B: Optical
which one of the following Operating system has command line as the user interface?
Correct Answer:
B: Linusx
which one of following is moire appropriate for portable use?
Correct Answer:
C: Laptop
which type of computers are also called mid range computers?
Correct Answer:
B: Mini computer
Explanation:
which type of computers are also called mid range computers? Correct Answer Mini computer Minicomputer – a mid-range computer that is intermediate in size, power, speed, storage capacity, etc., between a mainframe and a microcomputer. Minicomputers are used by small organizations.
What can be considered as basic building block of a digital criteria ?
Correct Answer:
A: Logic gate
Explanation:
What can be considered as basic building block of a digital criteria ? Correct Answer Logic gate Logic gates are the basic function of a circuit. There are mailnly three kind of logic gates. And gate, Or gate, and Not gate. Combining this thre gate we can make four another gate. And a logical circuit is made up with the combination of those logic gate.
Which one of the following input and output device?
Correct Answer:
B: Touch screen
Explanation:
Which one of the following input and output device? Correct Answer Touch screen একটি টাচস্ক্রিন, বা স্পর্শ পর্দা, একটি ইনপুট ডিভাইস এবং সাধারণত একটি তথ্য প্রক্রিয়াকরণের সিস্টেমের বৈদ্যুতিক দৃশ্যনীয় ডিসপ্লের উপরে স্তর। একজন ব্যবহারকারী একটি বিশেষ লেখনী বা এক বা একাধিক আঙ্গুল দিয়ে স্ক্রীন স্পর্শ করে সহজ বা বহু - স্পর্শ অঙ্গভঙ্গিগুলির মাধ্যমে ইনপুট সরবরাহ করতে পারে বা তথ্য প্রক্রিয়াকরণ পদ্ধতি নিয়ন্ত্রণ করতে পারে । কিছু সেন্সর সাধারণ বা বিশেষভাবে লেপা গ্লাভসকে কাজ করার জন্য ব্যবহার করে এবং অন্যরা শুধুমাত্র বিশেষ লেখনী বা কলম ব্যবহার করে কাজ করতে পারে। ব্যবহারকারী কী প্রদর্শিত হয় তার প্রতি প্রতিক্রিয়া জানাতে টাচস্ক্রীন ব্যবহার করতে পারে এবং সফ্টওয়্যার যদি এটি কীভাবে প্রদর্শিত হয় তা নিয়ন্ত্রণ করতে দেয়; উদাহরণস্বরূপ, জুম করে কোনো লেখার আকার বৃদ্ধি।
In email address [email protected] the portion of 'bbb' indicates?
Correct Answer:
D: None of these
Elaboration of VIRUS is-
Correct Answer:
B: Vital Information Resource Under Seize
Explanation:
Elaboration of VIRUS is- Correct Answer Vital Information Resource Under Seize VIRUS: Vital Information Resources Under Seize A computer virus is a computer program or a piece of code that is loaded onto your computer without your knowledge and run against your consent. Virus has a property to replicate itself and spread itself from one computer to another computer. It can affect the data files, boot sector of hard drive etc. when its replication succeeds. The affected area is said infected.
Which must do to return compressed files to their state?
Correct Answer:
A: Extract
Explanation:
Which must do to return compressed files to their state? Correct Answer Extract File কে ভাইরাসের হাত থেকে রক্ষা করার জন্য অথবা File Size কমানোর জন্য সাধারণত Compress করা হয়। Compressed ফাইল পুনরায় ব্যবহার উপযোগী করার জন্য Extract করা হয়। File Compress সংক্রান্ত বিভিন্ন সফটওয়্যার নিম্নরূপঃ WinRAR, WinZIP, 7 - Zip ইত্যাদি।
Which one is an application package ?
Correct Answer:
A: LOTUS
Explanation:
Which one is an application package ? Correct Answer LOTUS Application packages are generally designed to support commonly performed business functions and appeal to multiple types of user organizations. Examples of application packages include accounting systems, human resources software, and enterprise resource planning (ERP) software.
Which type of ROM is used in a pen drive ?
Correct Answer:
D: EEP ROM
Explanation:
Which type of ROM is used in a pen drive ? Correct Answer EEP ROM Read Only Memory and Pen Drive Basics ROM can hold information in storage even without power. Because of this, you can take your flash memory USB pen drives anywhere, and it will hold your data for at least ten years.
________ refers to the philosophy of sharing computer processing resources.
Correct Answer:
B: Operating System
Explanation:
________ refers to the philosophy of sharing computer processing resources. Correct Answer Operating System আধুনিক কম্পিউটার ব্যবস্থায় একজন ইন্টারনেট ব্যবহারকারী অনেক রিসোর্স ক্রয় না করেও তা ব্যবহার করতে পারে। যেমন, মোমোরি (HDD), দামী কোনো সফটওয়্যার বা কোনো রিসোর্স। এক্ষেত্রে কোনো বিশেষ প্রতিষ্ঠান সুবিধাগুলো Network - এর মাধ্যমে এবং অল্প মূল্যে সরবরাহ করবে এবং চাহিদা মোতাবেক সেবা দিবে। এভাবে নেটওয়ার্ক ব্যবস্থায় শেয়ারিং - এর মাধ্যমে যে সুবিধা পাওয়া যায় তাকে cloud computing বলে।
__________ is a flaw in a program that produces incorrect or in appropriate result.
Correct Answer:
A: Bug
Explanation:
__________ is a flaw in a program that produces incorrect or in appropriate result. Correct Answer Bug কম্পিউটারের program - এ যদি কোনো ভুল থাকে তবে সে সঠিক ফলাফল দেয়না। সফটওয়্যার বা program অন্তর্নিহিত এ ভুলকে কম্পিউটার বাগ (bug) বলে।
The only language understood by a digital computer is called
Correct Answer:
C: Binary language
Explanation:
The only language understood by a digital computer is called Correct Answer Binary language A binary code represents text, computer processor instructions, or any other data using a two - symbol system. The two - symbol system used is often "0" and "1" from the binary number system. The binary code assigns a pattern of binary digits, also known as bits, to each character, instruction, etc. For example, a binary string of eight bits can represent any of 256 possible values and can, therefore, represent a wide variety of different items
The data structure required to evaluate a postfix expression is --
Correct Answer:
B: stack
Which protocol can causes overload on a managed device?
Correct Answer:
D: SNMP
The SQL statement that queries or reads data from a table is --
Correct Answer:
A: SELECT
Which of the following correctly shows the hierarchy of arithmetic operations in C?
Correct Answer:
D: /*+-
Which data structure allows deleting data elements from front and inserting at rear?
Correct Answer:
B: Queues
When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits?
Correct Answer:
A: ANSI
Explanation:
When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits? Correct Answer ANSI বর্তমানে এ ক্ষেত্রে usually ANSI কোডই ব্যবহার করা হয়। ANSI ও ASCII দুটোই পুরানো enconder. ASCII - এর সাহায্যে 7bit এর ১২৮টি ক্যারেক্টরকে উপস্থাপন করা যায়। অপরদিকে ANSI এর সাহায্যে ৮বীটি ২৫৬ ক্যারেকটার উপস্থাপন করা যায়। সুতরাং converter হিসেবে ANSI - ই বেশি উপযোগী। তবে ASCII - এর compatibility বেশি।
Which number system is usually following in a typical 32-bit computer?
Correct Answer:
A: 2
Explanation:
Which number system is usually following in a typical 32-bit computer? Correct Answer 2 সাধারন configuration - এর একটি 32 - bit computer system - এ সাধারনত binary umber system ব্যবহারিত হয়। অর্থাৎ এরুপ system - এ সমস্ত digital signal কে 0 ও 1 দ্বারা হিসেব করা হয়।
Which of the following data structure is linear type?
Correct Answer:
C: Queues
Which of the following is a programming language?
Correct Answer:
B: Pascal
Explanation:
Which of the following is a programming language? Correct Answer Pascal Pascal হলো উচ্চতর ভাষার programming language।
The programs which are as permanent as hardware and stored in ROM is known as
Correct Answer:
C: Firmware
Explanation:
The programs which are as permanent as hardware and stored in ROM is known as Correct Answer Firmware ROM - এ সংরক্ষিত permanent software - টিকে firmware বলে। এটি হার্ড - ওয়্যারের ন্যায় অপরিবর্তনীয়। বিদ্যুৎ চলে গেলে বা Operating system corrupt হলেও firmware - এর কোনো পরিবর্তন হয় না।
When a computer is first turned on or restarted, a special type of absolute loader is executed, called ---
Correct Answer:
C: Bootstrap loader
Explanation:
When a computer is first turned on or restarted, a special type of absolute loader is executed, called --- Correct Answer Bootstrap loader Hints: Bootstap louder : A short program loaded from non - volatile storage and used to boot strap a computer.
Portable program means?
Correct Answer:
D: None
Explanation:
Portable program means? Correct Answer None Hints: A portable application, is a program designed to run on a compatible computer without being installed.
In a client/server model, a client program -----.
Correct Answer:
A: asks for information
Explanation:
In a client/server model, a client program -----. Correct Answer asks for information Client–server model is a distributed application structure that partitions tasks or workloads between the providers of a resource or service, called servers, and service requesters, called clients. Often clients and servers communicate over a computer network on separate hardware, but both client and server may reside in the same system. A server host runs one or more server programs, which share their resources with clients. A client usually does not share any of its resources, but it requests content or service from a server.
Which is not an Object Oriented Programming Language?
Correct Answer:
B: C
Explanation:
Which is not an Object Oriented Programming Language? Correct Answer C C#, java, Python, C + + Smalltalk ইত্যাদি Object Oriented Programming Language । কিন্তু C object oriented নয়। এটি High Level Language - এর মধ্যে পড়ে। C এর object oriented Version হলো C + + ।
How do the main components of the computer communicate with each other?
Correct Answer:
A: System bus
Explanation:
How do the main components of the computer communicate with each other? Correct Answer System bus Answer. The main components of the computer communicate with each other, through the System bus. Keyboard, Monitor and Memory are only things which USE the system bus to communicate with CPU, etc.
Which one is the spreadsheet analysis software?
Correct Answer:
D: Excel
Explanation:
Which one is the spreadsheet analysis software? Correct Answer Excel Ms Excel একটি Spreadsheet analysis software । MS Access একটি Database, Illustrator, একটি graphics এবং Latex একটি word processing software।
Which aeroplane was the first to have a 'Black Box', a computer that keeps the record of all flight movements ?
Correct Answer:
B: Boeing 707
Explanation:
Which aeroplane was the first to have a 'Black Box', a computer that keeps the record of all flight movements ? Correct Answer Boeing 707 A flight recorder is an electronic recording device placed in an aircraft for the purpose of facilitating the investigation of aviation accidents and incidents. Flight recorders are also known by the misnomer black box—they are, in fact, painted bright orange in color to aid in their recovery after accidents.
1 nibble equals to
Correct Answer:
C: 4 bits
Explanation:
1 nibble equals to Correct Answer 4 bits Byte/Bit হল মেমোরির ক্ষুদ্রতম অংশ। 1 Byte = 8 bit. 1 nibble = 4 bit. এছাড়াও, নিচের ছকটি মনে রাখা গুরুত্বপূর্ণঃ
Which Disk Format can access by MS-Dos 6.0 ?
Correct Answer:
A: FAT
Explanation:
Which Disk Format can access by MS-Dos 6.0 ? Correct Answer FAT FAT: A file allocation table (FAT) is a file system developed for hard drives that originally used 12 or 16 bits for each cluster entry into the file allocation table. It is used by the operating system (OS) to manage files on hard drives and other computer systems. This includes DOS and all early versions of Windows, beginning with 3.x through Windows 98 Second Edition. Actually, Windows NT through Windows XP uses FAT as well, but only under certain circumstances. OS X: এটি mac OS এর এক ধরনের Disk Format. NTFS: New Technology File System. It is a file system developed by Microsoft. Starting with Windows NT 3.1, it is the default file system of the Windows NT family. EXT2: Second Extended File System is a file system for the Linux Kernel. আপাতদৃষ্টিতে FAT এবং NTFS একই Operating System এ ব্যবহার করা যায় - এরকম মনে হতে পারে। প্রকৃতপক্ষে FAT, NTFS এর Predecessor বা পূর্বসূরী। তাই MS DOS 6.0 এর ক্ষেত্রে উত্তর হবে FAT System. ।
Which of the following memories need refresh ?
Correct Answer:
A: DRAM
Explanation:
Which of the following memories need refresh ? Correct Answer DRAM Dynamic random - access memory (dynamic RAM or DRAM) is a type of random - access semiconductor memory that stores each bit of data in a memory cell consisting of a tiny capacitor and a transistor, both typically based on metal - oxide - semiconductor (MOS) technology.
Which of the following is the most commonly used encoding standard of Unicode ?
Correct Answer:
C: UTF-8
Explanation:
Which of the following is the most commonly used encoding standard of Unicode ? Correct Answer UTF-8 প্রোগ্রাম লেখার ক্ষেত্রে ইংরেজি ভাষার জন্য যে পদ্ধতি রয়েছে তা ANSI (American National Standards Institute) পদ্ধতি। ইংরেজি ভাষা ব্যতীত অন্য যে কোন ভাষা কম্পিউটারে store করে রাখার যে পদ্ধতি, তা Unicode Transformation Format (UTF) নামে পরিচিত। বিভিন্ন UTF ফরম্যাটগুলো হচ্ছে UTF - 7, UTF - 8, UTF - 16, এবং UTF - 32. UTF এর ক্ষেত্রে সবচেয়ে জনপ্রিয় Format হল UTF - 8. এখানে 8 (eight) অর্থ, Character রাখার জন্য 8 - bit জায়গা প্রয়োজন। অনুরূপভাবে UTF - 16 দ্বারা 16 - bit এবং UTF - 32 দ্বারা Character রাখার জন্য 32 - bit জায়গা প্রয়োজন বুঝায়।
What is the full form of AT in the IBM PC-AT ?
Correct Answer:
B: Advance Technology
Explanation:
What is the full form of AT in the IBM PC-AT ? Correct Answer Advance Technology IBM PC - AT: (IBM Personal Computer AT) উইকিপেডিয়াতে, “AT” এর নিম্নোক্ত Explanation দেওয়া হয়েছে। IBM did not specify an expanded form of "AT" on the machine, press releases, brochures or documentation, but some sources expand the term as "Advanced Technology," including at least one internal IBM document.
Which of the following Language that Computer can Understand & Execute ?
Correct Answer:
A: Machine Language
Explanation:
Which of the following Language that Computer can Understand & Execute ? Correct Answer Machine Language Machine language (1st Generation Language): কম্পিউটারের যাবতীয় কাজ এই Machine language - এ করা হয়। এটি Binary System ব্যবহার করে চলে, যা দুইভিত্তিক সংখ্যা পদ্ধতি নামে পরিচিত। 0 এবং 1 এই দুইটি সংখ্যার মাধ্যমে বাইনারিতে সম্ভাব্য সকল সংখ্যা প্রকাশ করা হয়। প্রেক্ষিতে, কেউ কেউ Binary - কে মেশিন ল্যাঙ্গুয়েজ - ও বলে থাকেন। যেমনঃ কম্পিউটারের CPU সরাসরি মেশিন ল্যাঙ্গুয়েজ (0 and 1) দিয়ে কাজ করে থাকে।
In which mode Windows starts with only the core drivers & services ?
Correct Answer:
B: Safe Mode
Explanation:
In which mode Windows starts with only the core drivers & services ? Correct Answer Safe Mode Safe Mode is a special way for Windows to load when there is a system - critical problem that interferes with the normal operation of Windows. The purpose of Safe Mode is to allow you to troubleshoot Windows and try to determine what is causing it to not function correctly. Two (2) major characteristics regarding Safe Mode are: Most device drivers are not loaded. Instead of the normal graphics device driver, Safe Mode uses standard VGA graphics mode. “Safe Mode” is accessed by pressing the F8 key as the operating system boots.
Physical connection between Microprocessor Memory and other parts is called -
Correct Answer:
A: Address bus
Explanation:
Physical connection between Microprocessor Memory and other parts is called - Correct Answer Address bus A system bus is a single computer bus that connects the major components of a computer system, combining the functions of A data bus to carry information, An address bus to determine where it should be sent, and A control bus to determine its operation. প্রকৃতপক্ষে প্রশ্নের উত্তর হিসেবে system bus সবচেয়ে যুক্তিযুক্ত। যেহেতু অপশনে system bus নেই। সুতরাং উত্তর হিসেবে control bus/ data bus/ address bus যেকোনো একটি দেয়া যেতে পারে।
In internet terminology, what does the acronym DHTML stand for?
Correct Answer:
A: Dynamic Hypertext markup language
Explanation:
In internet terminology, what does the acronym DHTML stand for? Correct Answer Dynamic Hypertext markup language DHTML - এর পূর্ণরুপ Dynamic Hypertext Markup Language । হাইপারটেক্সট এমন একটি তথ্য উপস্থাপনের পদ্ধতি যা অন্য তথ্যের সাথে যোগাযোগ সংস্থাপন করতে পারে।
Where was Six-point programme declared ?
Correct Answer:
B: Lahore
Explanation:
Where was Six-point programme declared ? Correct Answer Lahore Hints : Sheikh Mujibur Rahman declared tje historical six point programme in an assembly of opponent parties held in Lahore on 5th February in 1966
Information and Communication Technology includes ---
Correct Answer:
D: All of the above
Explanation:
Information and Communication Technology includes --- Correct Answer All of the above Information and Communication Technology includes - learning through the use of EDUSAT, Web based Learning , On line learning etc. সু্তরাং উত্তরঃ All of the above.
Optical fiber carries data at the speed of light as it is made of
Correct Answer:
D: Bundle of reflecting glass
In centralized database system, the role of the front office in a bank is to
Correct Answer:
B: customer dealing
Internet access by transmitting fastest digital data with heavy bandwidth over the wires are best possible by
Correct Answer:
C: Optical fibers
What is the full form of RAID ?
Correct Answer:
C: Redundant Array of Independent Disks
Explanation:
What is the full form of RAID ? Correct Answer Redundant Array of Independent Disks Hints: RAID ( Redundant Array of Independent Disks) is a way of storing the same data in different places or multiple hard disk.
Which of the following is the most commonly used HTTP methods ?
Correct Answer:
C: GET and POST
Explanation:
Which of the following is the most commonly used HTTP methods ? Correct Answer GET and POST Hints: GET and POST are by far the most common methods that are used to access information provided by a web server, the Hypertext Transfer Protocol (HTTP) allows several other methods. HEAD, PUT, DELETE, TRACE, OPTIONS, CONNECT, etc
Unix Operating System is a -
Correct Answer:
D: All of them
Explanation:
Unix Operating System is a - Correct Answer All of them Hints :UNIX operating system is a family of multitasking, multi user and time sharing operating system that derive from the original AT and T Unix, developed in tje 1970's at the Bell Lab
Which of the following is an important attribute of RAM memory ?
Correct Answer:
B: Volatile
Explanation:
Which of the following is an important attribute of RAM memory ? Correct Answer Volatile Hints : RAM is normally associated with volatile types of memory, where stored information is lost if power is removed.
Which of following provides reliable communications ?
Correct Answer:
B: TCP
Explanation:
Which of following provides reliable communications ? Correct Answer TCP Hints : TCP is one of the main Protocol in TCP/IP network. where as the IP Protocol deals only with packets. TCP enables two hosts to establish a connection and exchange stream of data. TCP guarantees delivery of data also guarantees that packets will be delivered in the same order in which they were sent.