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Word problem (mathematics education) In science education, a word problem is a mathematical exercise (such as in a textbook, worksheet, or exam) where significant background information on the problem is presented in ordinary language rather than in mathematical notation. As most word problems involve a narrative of some sort, they are ...
CD-R (Compact disc-recordable) is a digital optical disc storage format. A CD-R disc is a compact disc that can only be written once and read arbitrarily many times. CD-R discs (CD-Rs) are readable by most CD readers manufactured prior to the introduction of CD-R, unlike CD-RW discs.
A letterform, letter-form or letter form is a term used especially in typography, palaeography, calligraphy and epigraphy to mean a letter's shape. A letterform is a type of glyph, which is a specific, concrete way of writing an abstract character or grapheme. For example, medieval scholars may discuss the particular handwritten letterforms ...
A CD player is an electronic device that plays audio compact discs, which are a digital optical disc data storage format. CD players were first sold to consumers in 1982. CDs typically contain recordings of audio material such as music or audiobooks. CD players may be part of home stereo systems, car audio systems, personal computers, or ...
Shaped compact disc. Picture of the back of a shaped CD. This CD was produced as a round disc and automatically cut to shape using a computer-aided machine with a rotary tool. It is easy to distinguish that the data track of the disc is smaller compared to a full 72-minute disc; it ends before it reaches the outside border of the disc to allow ...
Type design is the art and process of designing typefaces. This involves drawing each letterform using a consistent style. The basic concepts and design variables are described below. A typeface differs from other modes of graphic production such as handwriting and drawing in that it is a fixed set of alphanumeric characters with specific ...
A CD-ROM (/ ˌsiːdiːˈrɒm /, compact disc read-only memory) is a type of read-only memory consisting of a pre-pressed optical compact disc that contains data computers can read, but not write or erase.
Compact Disc Digital Audio (CDDA or CD-DA), also known as Digital Audio Compact Disc or simply as Audio CD, is the standard format for audio compact discs. The standard is defined in the Red Book technical specifications, which is why the format is also dubbed "Redbook audio" in some contexts. [1] CDDA utilizes pulse-code modulation (PCM) and ...