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Q1Computer · MemoryRRB NTPC Stage-II 2022
Which of the following is the time taken by the CPU to access a location in memory?
Answer: C) Memory access time
The time taken by the CPU to read from or write to a memory location is called Memory Access Time.
It is the sum of the time required to locate the memory location and to transfer the data to/from the processor.
It is usually measured in nanoseconds (ns) and is an important factor in the performance of a computer system. -
Q2Computer · Computer Hardware (Input/Output, Buses & Ports)UPPCL Technician Grade-II 2019
Which of the following printers can use continuous paper instead of one sheet at a time?
Answer: B) Dot matrix printer
Dot matrix printers use a continuous paper feed system with perforated paper sheets connected together. They employ a tractor feed mechanism that pulls paper continuously, whereas inkjet and laser printers typically work with individual cut-sheet papers. -
Q3Computer · Organization of ComputerRRB NTPC (Graduate Level) CBT-1 2025
Which of the following devices processes data in the computer system?
निम्नलिखित में से कौन - सी डिवाइस , कंप्यूटर सिस्टम में डेटा को प्रोसेस करती है ?
Answer: B) CPUCPU
Answer: CPU -
Q4Computer · Data Communication, Networking & OSI ModelRRB NTPC Stage-II 2022
Address is a string of numbers consisting of four parts. Where each part is a number between ___ and ____ .
Answer: C) 0,255
An address (specifically an IPv4 address) consists of four parts called octets.
Each part is a number between 0 and 255.
Each octet is 8 bits, which allows it to represent 256 values from 0 to 255.
These addresses are used in computer networks to identify devices. -
Q5Computer · MS-Office (Word, Excel, PowerPoint)SSC Delhi Police Constable 2023
Option to draw a line through text (strikethrough) in MS Word 365
Answer: C) Strikethrough
Use the Strikethrough option to draw a line through the middle of text.
It’s located in the Home > Font group, represented by an “abc ̶ ” icon.
You can also apply it via the Font dialog (Ctrl+D, then check Strikethrough) or with the shortcut Ctrl + 5. -
Q6Computer · Internet & E-MailSSC Delhi Police Constable 2025
Which term refers to a company or organization that provides Internet access, typically for a fee?
कौन सा शब्द उस कंपनी या संगठन को दर्शाता है जो सामान्यतः शुल्क लेकर इंटरनेट एक्सेस प्रदान करता है?
Answer: B) ISPISP
The correct answer is (b) ISP.
An ISP (Internet Service Provider) is a company or organization that provides Internet access to users, usually for a fee.सही उत्तर है (b) ISP।
ISP (Internet Service Provider) वह कंपनी या संगठन होता है जो शुल्क लेकर उपयोगकर्ताओं को इंटरनेट सेवा प्रदान करता है। -
Q7Computer · Data Communication, Networking & OSI ModelSSC CGL Tier-I 2016
A ____ is an agreement between the communicating parties on how communication is to proceed.
Answer: D) Protocol
A protocol is a set of rules and standards that governs how two entities communicate with each other. It defines aspects like data format, timing, sequencing, and error control to ensure reliable and orderly data exchange between communicating parties. -
Q8Computer · Introduction to ComputerAllahabad High Court RO 2021
Tabulating machine was the first electromechanical machine developed by:
Answer: A) Herman Hollerith
Herman Hollerith developed the first electromechanical tabulating machine in 1890. This machine was used to process data for the 1890 U.S. Census. It was based on punched card technology and played a crucial role in the development of modern computing, eventually leading to the formation of IBM. -
Q9Computer · E-BankingRRB Group D 2018
Name the founder of Paytm, who was included in the Time Magazine list of 2017 along with Prime Minister Narendra Modi amongst most influential people?
Answer: B) Vijay Shekhar Sharma
The founder of Paytm, who was included in Time Magazine's 2017 list of the 100 most influential people, is Vijay Shekhar Sharma.
He was recognized for his significant role in revolutionizing digital payments and commerce in India through Paytm, especially during the period following the government's demonetization initiative in November 2016.
Vijay Shekhar Sharma was featured in the "Titans" category of Time's annual list, alongside global leaders and innovators. -
Q10Computer · Programming LanguagesUPPCL Assistant Private Secretary (APS) 2018
___ converts high-level language into machine language and executes it in one go.
Answer: D) Compiler
A compiler converts the entire high-level language program into machine language at once and then executes it. This differs from an interpreter, which executes code line-by-line. The compiler completes both translation and execution processes in one go, making it the correct choice for this description. -
Q11Computer · MemoryMPPCS (J) 2019
In computing, 1 nibble is equal to ___?
Answer: A) 4 bit
In computing, a nibble equals 4 bits. It's a fundamental data unit often representing one hexadecimal digit. Since 1 byte equals 8 bits, 1 nibble is equivalent to half a byte, making it precisely 4 bits in size. -
Q12Computer · MS-Office (Word, Excel, PowerPoint)UPPCL Executive Assistant 2022
In MS-Excel 365, when clicking the 'Sort' option under the Data tab, which of the following is NOT one of the fields under 'Sort On'?
Answer: A) Cell Width
The 'Sort On' options in MS-Excel provide criteria for organizing data. While Cell Values, Cell Color, and Font Color are valid fields for sorting, Cell Width has never been an option under 'Sort On'. Sorting is typically based on data content or formatting attributes, not on the physical dimensions of cells. -
Q13Computer · Introduction to ComputerRRB NTPC 2026
Who is famously considered the 'father of the computer' for designing the first mechanical computing device?
Answer: D) Charles Babbage
Charles Babbage is widely considered the father of the computer.
He designed the Difference Engine and later the Analytical Engine, which were early mechanical computing devices.
His ideas laid the foundation for the development of modern computers.
Therefore, the correct answer is (d) Charles Babbage. -
Q14Computer · Organization of ComputerUPPCL Technician Grade-II 2019
Which of the following options represents the main components of the CPU?
Answer: C) ALU, CU, Register
The CPU (Central Processing Unit) is the brain of the computer and consists of three main components: ALU (Arithmetic Logic Unit), CU (Control Unit), and Registers. The ALU performs all arithmetic and logical operations, while the CU controls the execution of instructions. Registers are high-speed memory units for temporary data storage. ROM and RAM are primary memory components, not part of the CPU itself, but separate memory units. Hard disk is a secondary storage device. Therefore, the correct combination is ALU, CU, and Register, representing the core functional units of the CPU. -
Q15Computer · Internet & E-MailUPPCL Technician Grade-II 2023
Which of the following is the unit for measuring the speed of the internet?
Answer: C) Bits per second
Internet speed measures the data transfer rate, quantified in bits per second (bps). This unit counts the number of digital bits transmitted over a network per second. Dpi measures print resolution, Hertz measures frequency, and Byte measures data size. -
Q16Computer · Computer SoftwareRRB NTPC (Undergraduate)
A computer cannot open a printer without a driver. This driver is an example of a/an:
कंप्यूटर, ड्राइवर (driver) के बिना प्रिंटर को ओपन नहीं कर सकता है। यह ड्राइवर, ______ का एक उदाहरण है।
Answer: C) System softwareसिस्टम सॉफ्टवेयर
Topic: Computer Software - Device Drivers
A driver is a program that allows the operating system to communicate with hardware devices like printers, scanners, etc.
Drivers are classified as system software because they manage and control hardware components.
They act as translators between the OS and hardware, enabling proper device functionality.
Answer: Option 3 → System softwareविषय: कंप्यूटर सॉफ्टवेयर - डिवाइस ड्राइवर
ड्राइवर एक प्रोग्राम है जो ऑपरेटिंग सिस्टम को प्रिंटर, स्कैनर जैसे हार्डवेयर उपकरणों के साथ संचार करने की अनुमति देता है।
ड्राइवरों को सिस्टम सॉफ्टवेयर के रूप में वर्गीकृत किया जाता है क्योंकि वे हार्डवेयर घटकों का प्रबंधन और नियंत्रण करते हैं।
वे OS और हार्डवेयर के बीच अनुवादक के रूप में कार्य करते हैं, जिससे उपकरण ठीक से काम करते हैं।
उत्तर: विकल्प 3 → System software -
Q17Computer · Introduction to ComputerRRB NTPC Stage-I 2016
Till year 2015 _____ which generation computer production has occurred.
Answer: B) 5th
Till the year 2015, computer production had reached the 5th Generation.
Fifth Generation Computers are based on Artificial Intelligence (AI) and supercomputing technologies.
These computers are capable of natural language processing, decision-making, learning, and parallel processing. -
Q18Computer · Computer Hardware (Input/Output, Buses & Ports)UPPCL Technician Grade-II 2023
Which of the following is NOT a human data entry device?
Answer: D) Digital camera
Digital camera is not a data entry device but an input device that automatically captures image data. Whereas joystick, light pen and keyboard directly perform data entry through human interaction. -
Q19Computer · MS-Office (Word, Excel, PowerPoint)SSC Delhi Police Constable 2023
Which of the following Tabs is used to locate Bullets and Numbering icons of MS Word 2010?
Answer: B) Home Tab
In MS Word 2010, the Bullets and Numbering icons are located in the Home tab, under the Paragraph group.
These tools are used to create ordered (numbered) and unordered (bulleted) lists.
They help organise content into readable points or steps. -
Q20Computer · MS-Office (Word, Excel, PowerPoint)SSC Delhi Police Constable 2023
When entering data in an MS Excel 365 spreadsheet, which data type is most suitable for a person's first name?
Answer: A) Text
A first name can contain letters, special characters, and spaces, which cannot be stored in Number, Currency, or Date data types. The Text data type accepts all forms of textual information, making it the most appropriate for storing names.
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