Computers, Information and Communication Technology: RAS Prelims MCQs
200 RAS Prelims MCQs on computers, information and communication technology cover the generations of computers, the parts of the CPU, memory types and networking. The first and second generations, analog computers, the control unit, cache and RAM, the memory hierarchy and the SSD are asked as definitions and sequences, with the explanations giving the reason for each design.
Practice questions based on the RPSC RAS Prelims syllabus. They follow the exam pattern but are not past-paper questions.
Showing 151–160 of 200 questions
I. NEFT operates in half-hourly batches.
II. RTGS processes transactions continuously in real-time.
III. Both systems are available 24x7x365.
IV. RTGS has a minimum transfer limit of 2 lakh.
V. NEFT has a minimum transfer limit of 2 lakh.
Which of the above statement(s) is/are correct?
Explanation
India’s primary fund transfer systems, NEFT and RTGS, both operate 24x7x365 to facilitate digital payments. While NEFT settles transactions in half-hourly batches, RTGS provides continuous real-time processing for large-value transfers of 2 lakh and above. NEFT, however, does not have a minimum transfer limit, allowing it to be used for smaller transactions by individuals and businesses.Explanation
Both IMPS and NEFT are essential 24x7 digital payment systems in India, but they serve different needs. IMPS provides instant settlement for smaller amounts and is managed by the NPCI. NEFT handles batch-based transfers and is managed by the Reserve Bank of India. The claim that private banks manage NEFT exclusively is incorrect, as it is a.Explanation
e-RUPI is a cashless and contactless digital payment instrument introduced by the Government of India. It functions as a prepaid e-voucher that can be delivered to beneficiaries via SMS or QR codes. This system ensures that welfare benefits reach the intended recipient for a specific purpose without the need for a bank account, smartphone, or internet access.Explanation
The National Payments Corporation of India is an umbrella organization that operates and manages retail payment systems across India. Its portfolio includes innovative services like UPI, IMPS, RuPay, and AePS. By providing a robust and secure technological infrastructure, NPCI has been instrumental in driving the growth of digital payments and financial inclusion, making transactions accessible to millions.I. Enter UPI PIN
II. Open UPI App and scan QR / enter VPA
III. Bank debits sender and credits receiver
IV. Enter payment amount
Select the correct chronological arrangement.
Explanation
A standard UPI transaction follows a logical sequence for security and accuracy. It begins with the user opening the app and identifying the receiver via QR or VPA. Next, the payment amount is entered, followed by the secure UPI PIN to authorize the transfer. Finally, the banks process the transaction, debiting the sender and crediting the receiver instantly.Explanation
Digital payment methods like Paytm, Amazon Pay, and Mobikwik are retail-focused platforms that allow individuals to make daily transactions and payments easily. They are widely used for local peer-to-peer and merchant payments. SWIFT, however, is a global messaging network used by financial institutions to securely transmit information and instructions for large-scale international money transfers, serving an entirely different.Explanation
A Virtual Payment Address is a unique identifier used in the UPI system that allows users to send and receive money without sharing their bank account number or IFSC code. Typically formatted like an email address, the VPA is linked directly to the user’s bank account, providing a simple and secure way to identify the correct destination for.Explanation
The National Payments Corporation of India manages several modern retail payment systems, including IMPS, AePS, and FASTag. These systems are designed for high-volume, real-time digital transactions. NEFT, however, is a large-scale electronic funds transfer system owned and operated directly by the Reserve Bank of India. While it is a key part of the digital ecosystem, it falls.Explanation
To promote the adoption of digital payments, the Government of India waived the Merchant Discount Rate on UPI and RuPay debit card transactions. This policy ensures that merchants are not charged any fees for accepting these types of payments, providing a strong incentive to move away from cash. This zero-cost model has been a major driver in the.Answer key for these questions
| Q | Correct answer |
|---|---|
| 151 | (d) Unified Payments Interface |
| 152 | (a) I, II, III, and IV only |
| 153 | (c) IMPS is managed by the RBI, whereas NEFT is managed exclusively by private banks. |
| 154 | (a) e-RUPI |
| 155 | (d) National Payments Corporation of India (NPCI) |
| 156 | (a) II, IV, I, III |
| 157 | (c) SWIFT Network |
| 158 | (d) Unique account identifier |
| 159 | (a) NEFT (National Electronic Funds Transfer) |
| 160 | (b) Zero merchant fees incentive |
Key facts from Computers, Information and Communication Technology
- First-generation computers used vacuum tubes; the second generation moved to transistors.
- Analog computers work on continuous variable data rather than discrete binary data.
- The Control Unit directs and coordinates the operations of the CPU.
- Cache memory gives the fastest access to the CPU; the hierarchy from fastest to slowest is registers, cache, RAM and magnetic disk.
- Adding more RAM to a system with many page faults reduces its dependence on virtual memory.
- An SSD differs from an HDD by the use of NAND flash memory.
Frequently asked questions
How many RAS Prelims practice MCQs are there on Computers, Information and Communication Technology?
This page has 200 practice MCQs on Computers, Information and Communication Technology (Science and Technology). Each has the correct answer, and most have an explanation.
What was used in first-generation computers?
Vacuum tubes. They were large, used much power and produced heat. The second generation replaced them with transistors, which were smaller, faster and more reliable, and later generations moved to integrated circuits and microprocessors.
Which memory is fastest for the CPU?
Cache memory, apart from the registers inside the CPU. The memory hierarchy from fastest to slowest is registers, cache, RAM and magnetic disk, and capacity increases as speed falls.
How does an SSD differ from an HDD?
An SSD stores data in NAND flash memory with no moving parts, while a hard disk drive uses spinning magnetic platters. As a result an SSD is faster, quieter and more resistant to shock.