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A stencil brush is a specialist brush with short, firmly packed bristles. These types of brushes are available in various widths, from small, for tiny, detailed sections, to large ones for faster painting. They’re used in a straight up-and-down pouncing motion, rather than a long swoop side to side or up and down.

The main advantage of a stencil brush over a normal paintbrush is that it reduces the chances of getting paint under the edge of the stencil because of the stiff bristles.

Electronic mail is a method of exchanging messages between people using electronic devices. Invented by Ray Tomlinson, email first entered limited use in the 1960s and by the mid-1970s had taken the form now recognized as email. Email operates across computer networks, which today is primarily the Internet. Some early email systems required the author and the recipient to both be online at the same time, in common with instant messaging. Today’s email systems are based on a store-and-forward model. Email servers accept, forward, deliver, and store messages. Neither the users nor their computers are required to be online simultaneously; they need to connect only briefly, typically to a mail server or a webmail interface for as long as it takes to send or receive messages.

The current international standard layouts are all based on the staggered QWERTY type layout – We all recognise it as a keyboard for typing text into – so much so that it’s often used as the icon for adding text to something.

Dvorak and other standards have gained popularity in recent years but I think we are far from a point where they can be considered “normal”.

To put this is some kind of context, there are more that 120,000 characters currently recognised in Unicode covering more than 120 different scripts – that doesn’t include variations of the latin alphabet.

Typewriters have several parts that allow them to produce typed papers; the keyboard being the most obvious. Each key is connected to a typebar that lifted a typeface to strike the paper. Each typeface has upper and lower case forms of a letter or numbers and symbols. The assemblage of typebars and typefaces is called the typebasket.

Mylar (a plastic produced in very thin ribbons and coated with ink on the platen side) typewriter ribbon uses ink to transfer images on the typeface to the paper. Its alignment parallels the platen and the paper, and ribbon guides raise the ribbon to print and then lowers it.

The platen stops the typeface but allows enough force to the paper for the image to print. The carriage is a box-like container in the upper, rear part of the typewriter that carries the platen, the lever for carriage returns and line spacing, guides to help direct and grip the paper, and the paper itself. The paper is inserted in a feed rack (paper support) in the back of the carriage, supported and curved up toward the typing surface in a paper table or paper trough, and held against the underside of the platen by two feed rollers.

An escapement (a device that allows motion in only one direction and in precise steps) controls the motion of the carriage to the left after each character was typed. A mainspring in the escapement transmits energy to move the carriage on ball bearings.

To move the paper up after a line of typing is complete, a line-spacing lever rotates the platen toward the rear of the typewriter. The lever is also the carriage-return that disengages the escapement and pushes the carriage back to the right for the new line. Knobs on the ends of the platen are turned so the paper can be removed.

The traditional typewriter includes a keyboard, which consists of buttons that are called keys. The pattern of the typewriter keyboard is similar to the keyboard of the computer. One or two letters, symbols or numbers are marked on each key. The key is part of a lever which has a bar of type attached to the other end. The bar of type corresponds to what is written on its key. If a letter is marked on the key, the corresponding piece of type will have that letter as two characters, one lower case and one capitalized. The typewriter also has a rubber roll called a platen. A platen holds the paper in the typewriter. A sheet of paper can be inserted into the typewriter, and rolled into place. The typewriter also includes an ink ribbon or a carbon tape.

rubber feet is used as roller for the ribbon .The ribbon is a thin strip of fabric or polymer such as Mylar, which is covered in pigment. It is positioned on two spools, with the ribbon running in front of the paper. When the keys are pressed, the typebars are pushed against the ribbon, leaving the imprint of a character behind. Typewriter ribbons are typically black but other colors are possible, as are bi-colored ribbons with (for example) a red and a black edge.

The ribbon is a thin strip of fabric or polymer such as Mylar, which is covered in pigment. It is positioned on two spools, with the ribbon running in front of the paper. When the keys are pressed, the typebars are pushed against the ribbon, leaving the imprint of a character behind. Typewriter ribbons are typically black but other colors are possible, as are bi-colored ribbons with (for example) a red and a black edge.

Mumps is an acute, self-limited, systemic viral illness characterized by the swelling of one or more of the salivary glands, typically the parotid glands. The illness is caused by the RNA virus, Rubulavirus. Rubulavirus is within the genus Paramyxovirus and is a member of the family Paramyxoviridae.

It was launched by India on 19 April 1975] from Kapustin Yar, a Russian rocket launch and development site in Astrakhan Oblast using a Kosmos-3M launch vehicle. It was built by the Indian Space Research Organisation.The launch came from an agreement between India and the Soviet Union directed by UR Rao and signed in 1972. It allowed the USSR to use Indian ports for tracking ships and launching vessels in return for launching Indian satellites.[

A dynamo is an electrical generator that creates direct current using a commutator. Dynamos were the first electrical generators capable of delivering power for industry, and the foundation upon which many other later electric-power conversion devices were based, including the electric motor, the alternating-current alternator, and the rotary converter. Today, the simpler alternator dominates large scale power generation, for efficiency, reliability and cost reasons. A dynamo has the disadvantages of a mechanical commutator. Also, converting alternating to direct current using power rectification devices (such as vacuum tubes or more recently via solid state technology) is effective and usually economical.

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