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Q1Computer · Computer Hardware (Input/Output, Buses & Ports)UPPCL Office Assistant-III 2018
Which of the following is not a common hardware port?
Answer: D) TCP port
TCP port is not a hardware port but rather a logical port used in networking. TCP (Transmission Control Protocol) is a protocol that is part of the Internet Protocol suite and controls data transmission. In contrast, Display port, HDMI port, and Ethernet port are all physical hardware ports used for external connectivity of computers. HDMI works for audio-video transmission, Ethernet for network connections, and Display port for visual display purposes. -
Q2Computer · Internet & E-MailUPPCL Technician Grade-II 2023
The first web browser was created by ----- .
Answer: B) Tim Berners-Lee
Tim Berners-Lee invented the World Wide Web in 1990 and created the first web browser called 'WorldWideWeb'. This browser could both view and edit web pages, laying the foundation for the modern internet as we know it today. -
Q3Computer · Internet & E-MailUPPCL Technician Grade-II 2023
Which of the following TCP/IP protocols is used for transferring electronic mail messages from one machine to another?
Answer: B) SMTP
SMTP (Simple Mail Transfer Protocol) is used for transferring electronic mail messages from one machine to another. It is part of the TCP/IP protocol suite and serves as the standard protocol for communication between mail servers. FTP is for file transfer, SNMP for network management, and RCP for remote copy operations. -
Q4Computer · Internet & E-MailUPPCL Executive Assistant 2022
With respect to the TCP/IP model, what is the full form of UDP?
Answer: C) User Datagram Protocol
UDP stands for User Datagram Protocol. It is a transport layer protocol in the TCP/IP model that provides connectionless communication. It is used for fast data transmission but does not guarantee data delivery, making it suitable for time-sensitive applications. -
Q5Computer · Introduction to ComputerAllahabad High Court APS 2021
Which of the following is not an example of a Micro Computer?
Answer: A) Q-Bit Computer
A microcomputer is a small computer designed for individual use. fall under the category of microcomputers, whereas 'Q-Bit Computer' is not a recognized or common type of microcomputer, making it the correct answer here. -
Q6Computer · MemoryRRB NTPC (Undergraduate) CBT-1 2025
Which of the following is a primary memory of a computer?
Answer: B) RAM
Primary memory is the main memory of a computer that stores data and instructions currently being processed by the CPU.
RAM (Random Access Memory) is the primary memory because it provides fast, temporary storage for running programs and data.
It is volatile, meaning that its contents are lost when the power is turned off.
Hence, the correct answer is (b) RAM. -
Q7Computer · Introduction to ComputerAllahabad High Court ARO 2021
Which types of computer are used in hospitals like ECG and DIALYSIS?
Answer: B) Hybrid
ECG and dialysis machines use hybrid computers because they need to process analog signals (like heartbeats) and then display precise results as digital data. This provides the combined advantages of both systems for accurate medical monitoring and control. -
Q8Computer · MS-Office (Word, Excel, PowerPoint)SSC Delhi Police Constable 2023
In Microsoft Excel 365, what is the default alignment for text entered in a cell?
Answer: D) Left aligned
Answer: Left aligned -
Q9Computer · Introduction to ComputerRRB NTPC
IC chips essential for computers are generally made of:
Answer: B) Silicon
IC chips are primarily made from silicon because it's a semiconductor material. Its ability to control electrical properties makes it ideal for constructing electronic circuits, transistors, and microchips. Other metals like gold or lead aren't suitable as the primary material. -
Q10Computer · MemoryRRB NTPC Stage-I 2020
Which of the following is NOT a part of auxiliary memories in a computer system?
Answer: B) PROM
PROM (Programmable Read-Only Memory) is not considered a part of auxiliary memory; it is a type of primary memory (specifically, ROM – Read Only Memory).
Auxiliary memory refers to external or secondary storage devices used for long-term data storage.
Devices like Magnetic tapes, CD-ROM, and Floppy disks are examples of auxiliary memory, used to store large amounts of data permanently or semi-permanently. -
Q11Computer · Computer Hardware (Input/Output, Buses & Ports)RRB NTPC (Undergraduate)
Which combination correctly matches the device with its primary function?
निम्नलिखित में से कौन-सा संयोजन, किसी डिवाइस का उसके मुख्य कार्य से सही मिलान करता है?
Answer: C) OMR – Detecting shaded marks on paperOMR – पेपर पर बने शेड के निशानों का पता लगाना
Input Devices and Their Functions:
OCR (Optical Character Recognition) – Converts printed/handwritten text into digital format
MICR (Magnetic Ink Character Recognition) – Reads magnetic ink characters (used in cheques)
OMR (Optical Mark Recognition) – Detects shaded/marked areas on paper (used in answer sheets, surveys)
Barcode Reader – Scans and reads barcodes (vertical lines pattern)
Option 3 correctly matches OMR with detecting shaded marks.
Answer: Option 3 → OMR – Detecting shaded marks on paperइनपुट उपकरण और उनके कार्य:
OCR (ऑप्टिकल कैरेक्टर रिकग्निशन) – मुद्रित/हस्तलिखित पाठ को डिजिटल प्रारूप में बदलता है
MICR (मैग्नेटिक इंक कैरेक्टर रिकग्निशन) – चुंबकीय स्याही वर्णों को पढ़ता है (चेक में उपयोग)
OMR (ऑप्टिकल मार्क रिकग्निशन) – कागज पर छायांकित/चिह्नित क्षेत्रों का पता लगाता है (उत्तर पत्रक, सर्वेक्षण में उपयोग)
बारकोड रीडर – बारकोड को स्कैन और पढ़ता है (ऊर्ध्वाधर रेखा पैटर्न)
विकल्प 3 सही रूप से OMR को छायांकित चिह्नों का पता लगाने से मेल खाता है। -
Q12Computer · Organization of ComputerRRB NTPC (Graduate Level) CBT-1 2025
What does PCB stand for in electronics?
इलेक्ट्रॉनिक्स में PCB का पूर्ण रूप क्या है ?
Answer: A) Printed Circuit BoardPrinted Circuit Board ( प्रिंटेड सर्किट बोर्ड )
Answer: Printed Circuit Board -
Q13Computer · Operating SystemRRB NTPC 2026
Which Windows component helps users to install, remove, or manage software?
Answer: D) Control panel
Control Panel is the Windows component that helps users install, remove, and manage software .
Through options like Programs and Features , users can uninstall programs and manage installed applications.
It is also used to change many important system settings related to software and hardware.
Therefore, the correct answer is Control Panel . -
Q14Computer · Operating SystemRRB NTPC (Graduate Level) CBT-1 2025
In Windows 10 File Explorer, how can you group files by their type?
Answer: A) Use the 'Group by' option and select 'Type'
In Windows 10 File Explorer, to group files by their type (e.g., documents, images, applications), you use the ‘Group by’ feature.
Navigate to the View tab on the File Explorer ribbon, then click on ‘Group by’ and select ‘Type’ from the dropdown menu.
This action organises files into collapsible groups based on their file extension/type, improving visibility and file management. -
Q15Computer · MS-Office (Word, Excel, PowerPoint)SSC Delhi Police Constable 2023
In Microsoft Office Professional Plus 2016, under which tab will you find the Start Mail Merge option?
Answer: C) Mailings
In Microsoft Word, the Mail Merge feature is specifically located under the Mailings tab. This tab groups all tools for creating merge documents for emails, labels, and envelopes in one place. The Start Mail Merge button is found within this tab. -
Q16Computer · MS-Office (Word, Excel, PowerPoint)SSC Delhi Police Constable 2023
In MS Excel 365, how can you set a specific print area in MS Excel?
Answer: D) By selecting the cells to be printed and defining the print area
In MS Excel 365, you can set a specific print area by selecting the desired cells, then going to the Page Layout tab → Print Area → Set Print Area.
This tells Excel to only print the selected range of cells instead of the whole worksheet.
It helps in controlling exactly what data gets printed, especially in large spreadsheets. -
Q17Computer · Internet & E-MailAllahabad High Court RO 2020
Which among the following is not an advantage of E- commerce business?
Answer: A) High initial cost
E-commerce advantages typically include lower operational costs, location independence, and 24/7 availability. High initial cost is a challenge or disadvantage, not a benefit, as it creates a barrier to entry for starting the business. -
Q18Computer · Organization of ComputerUPPCL ARO 2018
Computer systems that store instructions and data in the same memory unit without any distinction are based on __ architecture.
Answer: D) Von-Neumann
The Von-Neumann architecture is a structure where both instructions and data are stored in the same memory unit. This contrasts with Harvard architecture, which uses separate memories for instructions and data. It is the foundation for most modern general-purpose computers. -
Q19Computer · Operating SystemRRB NTPC (Undergraduate)
What does the Alt + Tab keyboard shortcut do in Windows?
विंडोज़ में Alt + Tab कीबोर्ड शॉर्टकट क्या करता है?
Answer: B) Switches between open applicationsखुले एप्लीकेशनों के बीच स्विच करता है
Answer: Switches between open applications -
Q20Computer · MS-Office (Word, Excel, PowerPoint)SSC Delhi Police Head Constable (Ministerial) 2022
If tOGGLE cASE is applied to the word 'Examination' in MS Word 2007, what will be the result?
Answer: A) eXAMINATION
The tOGGLE cASE feature in MS Word inverts the current case of each letter. Since the original word 'Examination' has a capital first letter (E) and the rest are lowercase (xamination), applying tOGGLE cASE will make the first letter lowercase (e) and the remaining letters uppercase (XAMINATION), resulting in the word eXAMINATION.
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