SBI GK Questions 2026

CMYK stands for cyan, magenta, yellow and key or black, and it is a subtractive model: the inks sit on white paper and subtract wavelengths from the light falling on it, so adding all of them together moves the result towards black.

In computer graphics the three basic two-dimensional transformations are translation, rotation and scaling.

Scalable Vector Graphics stores a picture as mathematical descriptions of lines, curves and shapes written in XML, so the browser redraws it at whatever size is asked for and the edges stay perfectly sharp.

PSD, the Photoshop Document, keeps every layer, mask, channel and adjustment separately so that the artist can go back and change any of them, which an exported JPEG or PNG cannot do because those flatten the picture into one grid of pixels.

MPEG stands for Moving Picture Experts Group, and the group defined three audio layers of rising complexity within its MPEG-1 standard; the third layer gave the file extension.mp3.

The Graphics Interchange Format, introduced by CompuServe, can store several frames in one file together with the delay between them, which is why short looping animations on the web were long made as GIFs.

JPEG is named after the committee of the International Organization for Standardization and the International Telecommunication Union that drew up the standard for compressing continuous tone photographs.

UPI was launched by NPCI in 2016 as a system that lets a user link several bank accounts to one mobile application and transfer money instantly using a virtual payment address or a QR code, without sharing account numbers.

NavIC is the operational name of the system formally called the Indian Regional Navigation Satellite System, built by ISRO so that the country would not depend on a foreign constellation for positioning in a crisis.

The 802.15 family covers wireless personal area networks, the very short-range links meant to join the devices a single person carries, and Bluetooth was standardised within it as IEEE 802.15.1.

An accelerometer measures acceleration along three axes, which includes the constant pull of gravity, so the phone can work out which way is down and therefore how it is being held.

NFC is deliberately designed for extremely short range, so the two devices must be touching or nearly touching before any data passes.

GSM is the European-born digital standard that replaced the analogue first generation networks; it introduced the removable SIM card, digital encryption of the radio link, international roaming and the short message service, on which a plain text message is limited to one hundred and sixty characters.

Android uses a modified Linux kernel at its lowest layer to manage memory, processes, power and device drivers, and builds its own runtime, libraries, application framework and user interface above it.

The International Mobile Equipment Identity is a fifteen-digit number assigned to every handset, made up of a code identifying the type approval of the model, a serial part and a final check digit.

The SIM is a small smart card issued by the operator that stores the subscriber identity, the authentication keys used to prove that identity to the network, and a limited amount of contact and message data.

A telephone conversation requires both parties to speak and listen at the same time, so a mobile link must carry traffic in both directions together.

LTE is the radio access technology of fourth generation mobile networks, standardised by the Third Generation Partnership Project.

Section 29A, inserted by amendment in 2018, lists disqualifications, chiefly for promoters and connected persons whose accounts have been classified as non-performing, for undischarged insolvents and for persons disqualified as directors, so that a defaulting promoter cannot buy the company back cheaply through the very process his default caused.

The Committee of Creditors is made up of the financial creditors of the company, with voting shares in proportion to the debt owed to each, and a resolution plan is approved only when creditors holding at least sixty-six per cent of the voting share vote for it; the same majority…