Railway Science (Computer – Miscellaneous)

Total Questions: 8

1. Which of the following does NOT impact a computer’s general performance? [RRB NTPC CBT - I (28/01/2021) Evening]

Correct Answer: (a) Size of the Graphics Card
Solution:

Three components of a computer that impact performance are random access memory (RAM), processor speed (CPU) and available hard drive space.

2. Which of the following is NOT a series of supercomputer PARAM that was developed by Indian scientists? [RRB NTPC CBT - I (08/02/2021) Morning]

Correct Answer: (d) PARAM MITRA
Solution:

It is an Indian Non-Government Company. Param Siddhi, the high-performance computing -artificial intelligence (HPC-AI) supercomputer established under National Supercomputing Mission (NSM) at C-DAC.

3. The trial test of a computer or software before the commercial launch is called: [RRB NTPC CBT - I (10/02/2021) Evening]

Correct Answer: (b) Alpha test
Solution:

It is a type of software testing performed to identify bugs before releasing the product to real users or to the public. Delta testing - It is usually done when we quickly want to ship the product and there are less risks associated with the change/addition. E-test - It is any test that replicates or replaces paper based tests with a computer screen, also referred to as on-screen tests.

4. Which of the following best describes - ‘A method of storing and transmitting data in a particular coded form so that only those can read and process it for whom it is intended. It includes encoding and decoding of data? [RRB NTPC CBT - I (11/02/2021) Morning]

Correct Answer: (c) Cryptography
Solution:

Cryptography - It is the study of secure communications techniques that allow only the sender and intended recipient of a message to view its contents. Blockchain - It is a system of recording information in a way that makes it difficult or impossible to change, hack, or cheat the system.

5. Debugging is another term for: [RRB NTPC CBT - I (11/02/2021) Evening]

Correct Answer: (b) removing errors
Solution:

Debugging is the process of detecting and removing existing and potential errors in a software code that can cause it to behave unexpectedly or crash.

6. Desktop computers, laptop computers, tablets and smartphones are different types of : [RRB NTPC CBT - I (13/03/2021) Evening]

Correct Answer: (d) microcomputers
Solution:

microcomputers, an electronic device with a microprocessor as its central processing unit (CPU). Desktop computers, laptop computers, tablets and smartphones are different types of Microcomputers.

7. Which of the following is a Computer utility programme? [RRB NTPC CBT - I (26/07/2021) Evening]

Correct Answer: (d) Disk defragmenter
Solution:

Computer utility programs are Antivirus, File Management System, Disk Management tools, Compression tools, Disk cleanup tool, File Management System, Disk Defragmenter, Backup utility.

8. 210 mm × 297 mm is the measurement of ______ size paper. [RRB ALP Tier - II (23/01/2019) Morning]

Correct Answer: (c) A4
Solution:

Designation and Dimensions (mm): A0 = 841 × 1189. Commonly used for making large signs and posters. A1 = 594 × 841. Used for creating signs, window displays and posters. A2 = 420 × 594.
Used for notices, posters, art prints and window displays. A3 = 297 × 420. Used for plans, charts and presentations. A4 = 210 × 297. Used for everyday printing for everything from Word documents to stationery letterheads.