That part of the lowercase letter that rises above the body of the letter, as in b, d, f, h, k, l, and t.

Acronym for American Standard Code for Information Interchange. A standard code used by almost all electronic equipments not made by IBM to represent text inside a computer and to transmit text between computers or between a computer and a peripheral device. It is a code based on a seven-lever or -bit structure, where each of the 128 permutations of the seven bits signifies a particular character. Sometimes an eighth level is used for a parity character. Sometimes an eighth level is used for a parity check. The ASCII character includes the upper and lower case alphabet, numbers, special character can be stored in one byte of memory, i.e. half of a memory word in a 16-bit processor architecture or one full word in an 8-bit computer architecture.

Natural mineral compounds consist of carbon, hydrogen, sulphur and nitrogen or the residue from distillation of petroleum, coal tar or rosin. Their characteristic vary considerably depending on the processing condition and constituent. Used in various inks and varnishes, and as an acid resist in photo-engravings.

Short for Automatic Send and Receive. A teletypewriter having the ability to receive data and produce it on a printer or paper tape, and to send data entered through a keyboard or paper tape.

A program or set of programs that converts into machine language other programs written in an assembly language. See Compiler.

A low level programming language that permits the programmer to use mnemonics or symbolic codes for function codes. Assembly languages are the most like machine langrages, and are therefore extremely difficult for humans to earn and use but extremely efficient for computers to utilizi.

Reference mark used in the text to indicate a footnote. Also used to indicate missing letters or words.

The inability of a lens to focus mutually perpendicular point, such as a cross, onto the same plane. When the vertical line is in focus, the horizontal is out of focus, and vice versa.

Symbols to represent stars of the heavenly body.

Placing of elements in a layout in such a way that all elements do not centered along an imaginable vertical axis down the middle of the page and yet give a pleasing visual effect. Also called Dynamic balance, Informal balance.

Data transmission where the time interval between characters is allowed to vary. Each character is therefore transmitted with "start" and "stop" signals.

Short for Animal Tub Size. See Animal tub sized paper.

See AA.

Proof to be sent to the author or editor for the purpose of having it returned marked "OK" or "OK with corrections".

Functions of typesetting available on some systems that with a command, leaders will automatically fill up a space.

A device to separate sheets from the stack and forward them to the lays of the sheet fed printing machine.

A machine for producing curved stereotype plated for rotary presses in newspaper printing.

A class of photographic materials which will yield a positive image from a positive original without an intermediate negative stage.

A photographic film embodying the halftone screen, exposed to a continuous-tone image, produces a dot pattern automatically just as if a halftone screen had been used in the camera.

The automatic adjustment of the lens distance to give a sharp image on the film.

The automatic reduction of unwanted white spaces between characters for aesthetic reasons. See Kerning.

System on a web-fed press that joins a new reel of paper to the nearly exhausted web of the previous reel without the necessity for stopping the press for a change-over. Also called Flying paster.

Computer storage situated outside of the computer itself, and includes disc, drum and magnetic tape storage methods. Also called Bulk,Mass,or Bacling storage.

An imaginary dividing line around which design elements are located.

One of the most important groups of chemical pigment for printing ind manufacture. The prime raw materials for azo pigment are a diazo component such as aromatic amine and a coupling component auch as phenolic compound.

A high grade writing paper for ledger and other uses. It has a series of translucent line texture and light blue in colour as its name imply.