GLOSSARY OF TERMS

A4 size

Application software

A standard paper size used in Japan and other countries. Paper is 210 × 295 mm (8.25 × 11.6 inches).

Software programs that perform tasks on a computer. Such programs include word processing, database management, and accounting, for example.

APTC

See Automatic paper thickness control.

ASCII

The acronym for American Standard Code for Information

 

Interchange. ASCII is a set of 256 codes (numbered 0 to 255)

 

used to communicate information between a computer and

 

another device such as a printer.

Automatic paper

A feature that automatically adjusts the gap between the print

thickness control (APTC)

head and the platen for the thickness of the paper.

Baud rate

The speed, in bits per second, at which data is transmitted to a

 

device such as a printer. Baud rates apply to serial data only.

 

1200 baud equals approximately 120 characters per second.

Bidirectional printing

Alternate printing of lines from left to right and right to left.

 

Bidirectional printing is faster than unidirectional printing

 

because there are no carriage returns.

Bit

The smallest unit of information in computer memory. A bit is

 

a single digit, either a 1 or a 0, in the binary numbering system.

 

Eight bits equal one byte.

Buffer

A storage area for data in the printer or computer. The printer’s

 

buffer consists of a print buffer and a download buffer. The

 

print buffer holds data to be printed. The download buffer

 

holds downloaded data such as download (soft) fonts.

Byte

A byte consists of eight bits that constitute one symbol. A

 

byte represents a single character, such as number, letter, or

 

special control character.

Glossary

User's Manual

GL-1