RRB NTPC GK Questions 2026

The day was proposed by the International Council on Monuments and Sites and later approved by UNESCO, and it is used to draw attention to the protection of monuments, historic places and cultural landscapes.

The amendment of 1992 gave panchayati raj institutions constitutional standing by adding Part IX and the Eleventh Schedule, and it took effect on 24 April 1993, which is why that date was chosen for the observance.

The day is observed across the country and is a public holiday in many states.

He presented his finding to an audience of physicians in Berlin on 24 March 1882, and identifying the organism opened the way to diagnosis and eventually to treatment of a disease that was then a leading cause of death.

The United Nations chose this date because the international convention on trade in endangered species of wild fauna and flora was signed on 3 March, and the day is used to draw attention to wild animals and plants and to the trade that threatens them.

The three revolutionaries were hanged in Lahore jail on 23 March 1931 in connection with the Lahore conspiracy case, and the day is observed in their memory across the country.

The constitution of the organisation took effect on 7 April 1948, and that date was chosen for the annual observance, which has been held since 1950 with a different subject each year.

The day grew out of the movements for women's rights in the early twentieth century and is now observed across the world, with the United Nations adopting a different subject for it each year while the date itself stays fixed.

The United Nations observes this day to draw attention to fresh water and the management of water resources, and in India the same date is also kept as Bihar Diwas, which makes it doubly useful for examinations.

The device does two opposite jobs, and the name simply joins them. While sending, it modulates: it converts the digital signal of the computer into an analogue signal that an ordinary line can carry.

A line printer, such as a drum or chain printer, sets up and prints a whole line of characters at one stroke, so counting the lines it finishes in a minute is the natural measure of its speed.

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.