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কম্পিউটার MCQ: Adda 247-এ আপনাকে স্বাগতম। ADDA 247 বাংলা আপনাকে IBPS PO পরীক্ষার জন্য কম্পিউটার MCQ দিচ্ছে। এখানে আপনি প্রতিদিন দশটি একাধিক পছন্দের প্রশ্ন এবং সমাধান সহ উত্তর পাবেন। এখানে আপনি সমস্ত গুরুত্বপূর্ণ প্রশ্ন এবং উত্তর পাবেন যা আপনাকে আপনার জ্ঞান বাড়াতে এবং আপনার লক্ষ্য পূরণের দিকে এগিয়ে যেতে সাহায্য করবে। এই কম্পিউটার MCQ গুলি নিয়মিত অধ্যয়ন করুন এবং পরীক্ষায় সফল হন।
| কম্পিউটার MCQ | |
| বিষয় | কম্পিউটার MCQ |
| বিভাগ | Daily Quiz |
| উদ্দেশ্য | IBPS PO পরীক্ষা |
কম্পিউটার MCQ
Q1. When a computer is turned on, which of the following is run by BIOS in order to check whether all the hardware components are working properly?
(a) Booting
(b) Warm Booting
(c) Cold Booting
(d) Power on Self-Test
Q2. In MS Excel, if we want to select an entire column, which of the following is used?
(a) Shift + Ctrl
(b) Ctrl +Alt
(c) Alt + Shift
(d) Ctrl + Space
Q3. If internet services are provided by transmitting data over the wires of telephone network, which of the following is used?
(a) Anodes
(b) Digital Subscriber Line
(c) Digital Anodes
(d) Wireless Diodes
Q4. The address of a memory location is identified by which among the following?
(a) Address Bus
(b) Location Bus
(c) Identity Bus
(d) Attrition Bus
Q5. Which of the following type of software secretly collects information about you and your internet habits?
(a) Detectware
(b) Spam
(c) Spyware
(d) Spooling
Q6. Where does encryption and decryption of data take place in OSI model?
(a) Transport layer
(b) Presentation layer
(c) Session layer
(d) Application layer
Q7. Which of the following is the most widely used type of database management system?
(a) Flat database
(b) Network database
(c) Relational database
(d) Hierarchical database
Q8. Which of the following fields of an e-mail hides the identity of the recipients?
(a) To
(b) From
(c) CC
(d) Bcc
Q9. What does G stand for in GSM used in mobile connections?
(a) Generation
(b) Global
(c) Giga
(d) Grid
Q10. A __________ represents approximately one billion memory location.
(a) Kilobyte
(b) Megabyte
(c) Gigabyte
(d) Terabyte
কম্পিউটার MCQ সমাধান
S1. Ans.(d)
Sol. When power is turned on, POST (Power-On Self-Test) is the diagnostic testing sequence that a computer’s basic input/output system (or “starting program”) runs to determine if the computer keyboard, random access memory, disk drives, and other hardware are working correctly.
S2. Ans.(d)
Sol. In MS Excel, to select an entire column, you can use the keyboard shortcut Ctrl + Space. This shortcut selects the entire column where the active cell is located. It is a convenient way to quickly select a column when working with large datasets or performing operations that require selecting multiple cells in a column.
S3. Ans.(b)
Sol. DSL (Digital Subscriber Line) is a communications medium used to transfer digital signals over standard telephone lines. Along with cable Internet, DSL is one of the most popular ways ISPs provide broadband Internet access.
S4. Ans.(a)
Sol. An address bus is a computer bus architecture used to transfer data between devices that are identified by the hardware address of the physical memory (the physical address), which is stored in the form of binary numbers to enable the data bus to access memory storage.
S5. Ans.(c)
Sol. Spyware usually finds its way onto your computer without your knowledge or permission. It runs in the background, collecting information or monitoring your activities.
S6. Ans.(b)
Sol. Presentation layer is the second last layer in the OSI model responsible for services like data compression, encryption, decryption, data conversion etc.
S7. Ans.(c)
Sol. A relational database is a database model that stores data in tables. The vast majority of databases used in modern applications are relational, so the terms “database” and “relational database” are often used synonymously.
S8. Ans.(d)
Sol. Bcc stands for ‘Blind Carbon Copy’. The recipients whose e-mail addresses are added in the Bcc filed would receive a copy of the email; however, the identify of these recipients would not be disclosed.
S9. Ans.(b)
Sol. In GSM (Global System for Mobile Communications), the “G” stands for “Global.” GSM is a widely used standard for mobile communication that provides voice and data services to mobile devices. It was developed to create a global standard for mobile communication, allowing seamless connectivity and interoperability between different networks and devices worldwide. GSM technology has been widely adopted and serves as the foundation for various mobile communication technologies, including 2G, 3G, and 4G. Each generation represents advancements in mobile technology, providing improved data transfer rates, network capacity, and additional features and services.
S10. Ans.(c)
Sol. A gigabyte represents approximately one billion memory locations. It is a unit of digital information storage capacity that is commonly used to measure the size of computer memory, storage devices, and file sizes. One gigabyte is equal to 1,073,741,824 bytes or 230 bytes.
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