SSC CHSL GK Questions 2026

A plotter takes a drawing that the computer has already prepared and puts it on paper with a moving pen, so data travels out of the machine and never into it.

It builds the image of a whole page on a photosensitive drum with a laser beam, then picks up dry toner on that image and fuses it onto the paper with heat and pressure.

A plotter holds a pen against the paper and moves it, so it draws continuous lines rather than building the image out of dots.

A plain scan is only a picture of the page, and nothing in it can be searched or corrected. OCR examines the shape of every character in that picture, matches it against the letters it knows and hands back real text that can be edited in a word processor.

Print quality depends on how many separate dots of ink or toner the printer can place in one inch of paper, so a printer working at a higher DPI produces smoother curves and crisper small text.

The word is a contraction of picture element. A screen image is a grid of these points, and the number of them across and down the screen is what is quoted as the resolution of the monitor, so a higher pixel count means a finer picture.

MICR stands for Magnetic Ink Character Recognition. The line of characters printed along the foot of a cheque is set in magnetic ink in the E-13B font, and the reader identifies each character from its magnetic signal, so the cheque is sorted correctly even when it has been folded, stamped…

Its print head carries a column of tiny pins that strike an inked ribbon against the paper, forming each character out of dots.

He built the first mouse, a small wooden box with a pair of wheels underneath, at the Stanford Research Institute, and the patent describes it as an X-Y position indicator for a display system.

A touchscreen accepts a finger tap or a stylus stroke as input and displays the result on the very same surface, so the one piece of hardware performs both jobs.

The Golden Threshold was her first collection of poems, and it was followed by The Bird of Time and The Broken Wing.

He ran Kesari in Marathi and Maratha in English, and it was through the writing in Kesari that he reached ordinary readers in Maharashtra, a reach that also brought him prosecutions for sedition.

Nehru wrote the letters from prison, telling her the story of the world from ancient times onwards, and they were later collected as Glimpses of World History.

Gandhi wrote the book in Gujarati on board the ship while returning from a deputation to London, casting it as a dialogue between an editor and a reader in which he explains what true self-rule means and criticises modern industrial civilisation.

The Indian Struggle is his own narrative and analysis of the Indian national movement, written during his years in Europe, and it reflects the impatience with gradual methods that later separated him from the Congress leadership.

He prepared the text in 1936 as the presidential address for a conference at Lahore, but the organisers withdrew the invitation over its contents, so the speech was never delivered and he published it himself.

He wrote the essay in Lahore jail in 1930, answering a fellow prisoner who had suggested that his disbelief came from vanity.

In this book he argued that British rule was steadily transferring India's wealth to England through salaries, pensions, home charges and the profits of trade, an argument known as the drain of wealth theory.

India Wins Freedom is his account of the national movement and of the negotiations in the years around Independence, written from the position of a Congress president of that period.

He wrote Gita Rahasya during his imprisonment at Mandalay in Burma, reading the Bhagavad Gita as a call to selfless action rather than to withdrawal from the world, an interpretation that suited his own politics of active resistance.