IBPS Practice Test RRB (Computer Knowledge) — Questions and Answers
Question 1: 1. When you install a peripheral, you usually need to install a ________ as well.
- password
- driver (Correct answer)
- port
- server
Correct answer: driver
A driver is a software program that allows a computer to communicate with a hardware device or peripheral. When you install a new peripheral like a printer or scanner, the operating system needs a specific driver to understand and control that device, enabling it to function correctly.
Question 2: 2. Which part of the computer is directly invoked when the computer program's instructions are executed?
- Processor (Correct answer)
- Secondary storage
- Main storage
- Scanner
Correct answer: Processor
The processor, also known as the Central Processing Unit (CPU), is the "brain" of the computer. It is responsible for executing instructions from computer programs, performing arithmetic, logical, and input/output operations. Without the processor, programs cannot be run.
Question 3: 3. A set of rules that computers on a network use to communicate with one another are
- Protocol (Correct answer)
- Netiquettes
- Rules
- Regulations
Correct answer: Protocol
A protocol is a set of formal rules and procedures that govern how data is transmitted and exchanged between devices on a network. These rules ensure that all devices can understand and communicate with each other effectively, allowing for seamless data transfer.
Question 4: 4. White Box testing is a software testing technique that is also known as ________.
- Graph testing
- Data flow
- Glass box testing (Correct answer)
- Basic path
Correct answer: Glass box testing
White Box testing is a software testing technique that examines the internal structure, design, and coding of a system. It is also commonly known as "Glass Box testing" because the tester has full visibility into the system's internal workings, unlike "Black Box testing" where the internal structure is unknown.
Question 5: 5. Fifth-generation computing devices that are based on _________.
- SQL
- artificial intelligence (Correct answer)
- Very large scale integration (VLSI)
- None of these
Correct answer: artificial intelligence
Fifth-generation computing devices are characterized by their focus on artificial intelligence (AI). This generation aims to develop computers that can understand natural language, learn, make decisions, and solve problems, mimicking human intelligence.
Question 6: 6. A suitable data structure for the application is discussed in _________.
- Procedural design
- Interface design
- Architectural design
- Data design (Correct answer)
Correct answer: Data design
Data design in software engineering focuses on defining the data structures and data models required by the software. This includes determining how data will be stored, accessed, and manipulated, making it the appropriate stage to discuss suitable data structures for an application.
Question 7: 7. What does OSI mean in terms of computers?
- Open Software Interconnection
- Open System Interconnection (Correct answer)
- Open System Interrelation
- Open Software Interrelation
Correct answer: Open System Interconnection
OSI stands for Open System Interconnection. It is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to their underlying internal structure and technology. It divides network communication into seven distinct layers.
Question 8: 8. A program that loads programs into main memory and prepares them for execution____.
- Loader (Correct answer)
- Linker
- Absolute entity
- Assembler
Correct answer: Loader
A loader is a system program that takes an executable program from secondary storage (like a hard drive) and places it into the main memory (RAM) for execution. It also prepares the program for execution by resolving addresses and linking necessary libraries.
Question 9: 9. Login name and password verification is referred to as_____.
- logging in
- authentication (Correct answer)
- configuration
- accessibility
Correct answer: authentication
Authentication is the process of verifying the identity of a user, system, or entity. When you enter a login name and password, the system checks if these credentials match its records, thereby authenticating your identity and granting access.
Question 10: 10. What is an example of an e-mail address?
- John Clark@yahoo.com
- Jamescharles.gmail.com
- abcd@gmail.com (Correct answer)
- Www.google.com
Correct answer: abcd@gmail.com
A valid email address typically consists of a local part (username), followed by an "@" symbol, and then a domain name. Option C, "abcd@gmail.com," correctly follows this standard format, with "abcd" as the username and "gmail.com" as the domain. The other options are missing the "@" symbol or have incorrect formatting.
Question 11: 11. Which of the following search engines places the greatest emphasis on the privacy and ubiquity of its results?
- DuckDuckGo (Correct answer)
- Yahoo
- Baidu
Correct answer: DuckDuckGo
DuckDuckGo is a search engine specifically known for its strong emphasis on user privacy. Unlike many other search engines, it does not track users' search history, IP addresses, or personal information, aiming to provide unbiased search results without personalized filtering.
Question 12: 12. Which of the following protocols is a popular communication protocol used for network communication that divides any message into a series of packets?
- HyperText Transfer Protocol
- Transmission Control Protocol (Correct answer)
- User Datagram Protocol
- File Transfer Protocol
Correct answer: Transmission Control Protocol
The Transmission Control Protocol (TCP) is a core protocol of the Internet protocol suite. It is responsible for breaking down messages into smaller packets, transmitting them across the network, and reassembling them in the correct order at the destination, ensuring reliable and ordered delivery of data.
Question 13: 13. Composite Key is another name for _________.
- Compound Keys (Correct answer)
- Number Keys
- Secondary Keys
- Foreign Keys
Correct answer: Compound Keys
A Composite Key, also known as a Compound Key, is a candidate key that consists of two or more attributes (columns) that uniquely identify each record in a table. No single attribute within the composite key can uniquely identify the record on its own; it's the combination of attributes that provides uniqueness.
Question 14: 14. CAPTCHA is a security measure that distinguishes humans from computers. What does the letter 'T' in CAPTCHA stand for?
- Test
- Telecom
- Time
- Turing (Correct answer)
Correct answer: Turing
CAPTCHA stands for 'Completely Automated Public Turing test to tell Computers and Humans Apart.' The 'T' specifically refers to the Turing Test, a concept developed by Alan Turing, which assesses a machine's ability to exhibit intelligent behavior indistinguishable from that of a human. Therefore, the 'T' in CAPTCHA directly references this foundational concept in artificial intelligence.
Question 15: 15. A blue screen of death (BSoD) is an error screen that appears on Windows computers after a fatal system error. What does the letter 'S' in BSoD stand for?
- Search
- Screen (Correct answer)
- Safe
- Service
Correct answer: Screen
BSoD is an acronym for 'Blue Screen of Death.' This error message is displayed on the computer's screen when a critical system error occurs, indicating a fatal crash. The 'S' in BSoD explicitly stands for 'Screen,' referring to the visual display where this critical error notification appears.
Question 16: 16. Which of the following refers to the set of rules in a programming language that defines the combinations of symbols that are considered to be correctly structured statements in that language?
- Dataset
- Strings
- Syntax (Correct answer)
- Characters
Correct answer: Syntax
In programming, syntax refers to the set of rules that define the correct structure and combination of symbols, keywords, and operators in a particular language. These rules dictate how statements must be written to be considered grammatically correct and understandable by the compiler or interpreter. Without correct syntax, a program cannot be successfully executed.
Question 17: 17. Choose one of the following as an example of Hardware:<br/> I. Mouse<br/> II. CPU<br/> III. Keyboard<br/> IV. Printer<br/>
- I, II, III and IV (Correct answer)
- Only I and II
- Only IV
- Only III
Correct answer: I, II, III and IV
Hardware refers to the physical components of a computer system that can be touched and seen. A mouse, CPU (Central Processing Unit), keyboard, and printer are all tangible electronic devices essential for a computer's operation. They represent the physical infrastructure, distinguishing them from software, which is the set of instructions.
Question 18: 18. Who is considered as the Founder of the Modern Digital Computer?
- Charles Babbage (Correct answer)
- Bill Gates
- Herman Hollerith
- Alan Turing
Correct answer: Charles Babbage
Charles Babbage is widely regarded as the 'Father of the Computer' for his conceptual design of the Analytical Engine in the 19th century. This machine incorporated many features of modern digital computers, including a programmable design, an arithmetic logic unit, and integrated memory. His pioneering work laid the theoretical groundwork for subsequent computer development.
Question 19: 19. Permanently installed software in electronic devices that controls the basic functions of hardware is referred to as _________.
- Adware
- Firmware (Correct answer)
- System Software
- Application Software
Correct answer: Firmware
Firmware is a specific type of software permanently embedded into hardware devices, providing low-level control for the device's specific hardware. It acts as an intermediary, enabling the hardware to perform its basic functions and communicate with other software or components. Examples include the BIOS in a computer or the operating system of a router.
Question 20: 20. Choose the input device that copies from paper into a computer from the list below.
- Scanner (Correct answer)
- Printer
- Optical Character Reader (OCR)
- Optical Mark Reader (OMR)
Correct answer: Scanner
A scanner is an input device specifically designed to convert physical documents or images into digital data that can be stored and processed by a computer. It works by optically reading the content from paper and transforming it into a digital file. Printers, in contrast, are output devices, and OCR/OMR are technologies often used *with* scanners, not the devices themselves for copying.
Question 21: 21. DNS is a hierarchical and decentralized naming system for computers, services, and other internet-connected resources. What does the letter 'D' in DNS stand for?
- Documented
- Digital
- Domain (Correct answer)
- Data
Correct answer: Domain
DNS stands for 'Domain Name System.' It is a fundamental component of the internet that translates human-readable domain names (like google.com) into numerical IP addresses that computers use to identify each other. The 'D' in DNS specifically refers to 'Domain,' highlighting its role in managing internet domain names.
Question 22: 22. Which of the following refers to Apple's Spreadsheet Processor?
- Apple Rows
- Excel
- Numbers (Correct answer)
- Tables
Correct answer: Numbers
Numbers is Apple's proprietary spreadsheet application, part of its iWork productivity suite. It provides tools for creating and managing spreadsheets, similar to Microsoft Excel. While Excel is a popular spreadsheet program, Numbers is the specific equivalent developed and offered by Apple for its macOS and iOS platforms.
Question 23: 23. The LAN transmission rate can be increased to ________.
- 25 Mbps
- 100 Mbps (Correct answer)
- 16 Mbps
- There is no such maximum limit
Correct answer: 100 Mbps
While modern LAN technologies can achieve much higher speeds (Gigabit Ethernet and beyond), a common and widely adopted standard for Fast Ethernet LANs is 100 Mbps (Megabits per second). This speed was a significant upgrade from earlier 10 Mbps Ethernet and became a prevalent standard for many years. The question likely refers to a common historical or baseline maximum for a standard LAN setup.
Question 24: 24. In the case of a computer, we always use the term bandwidth to refer to something related to data. Which of the following is it referring to?
- Amount of data used by the computer
- Amount of data left to be used
- Amount of data consumed
- Amount of data transferred (Correct answer)
Correct answer: Amount of data transferred
In computing and networking, bandwidth refers to the maximum rate at which data can be transferred over a communication channel or connection. It essentially measures the capacity of a network link to transmit information per unit of time. Therefore, it directly relates to the 'amount of data transferred' within a given period.
Question 25: 25. Which of the following describes a person who creates a false online profile in order to deceive someone else?
- Phishing
- Catfish (Correct answer)
- Hoaxing
- Spam
Correct answer: Catfish
A 'catfish' is a person who creates a false online identity to engage in deceptive relationships, often romantic, with others. This involves fabricating personal details, using fake photos, and manipulating victims for various reasons. Phishing, hoaxing, and spam are different types of online deception or unsolicited communication.
1.
When you install a peripheral, you usually need to install a ________ as well.