On Apple Macintosh computers, there are keyboard shortcuts for the most common diacritics ; Option-e followed by a vowel places an acute accent, Option-u followed by a vowel gives an umlaut, option-c gives a cedilla, etc.

On January 24, 1984, Apple Computer Inc. ( now Apple Inc .) introduced the Macintosh personal computer, with the Macintosh 128K model, which came bundled with what was later renamed the Mac OS, but then known simply as the System Software.

On the Macintosh, fonts were originally stored in hand-tuned bitmap font files that specified individual pixel locations for a font at a particular size.

On the Macintosh platform, Microsoft released a PowerPC version of Windows Media Player for Mac OS X in 2003, but further development of the software has ceased.

On May 31, 2002, LucasArts and Aspyr Media announced that a Macintosh version of the game would be released.

In 1990, Kapor's new company ON Technology introduced their new product On Location, an application designed for the Macintosh that contained an indexing system that permit quick retrieval and display of text on the Mac's hard disk.

On a PowerPC-based Macintosh, the Open Firmware interface can be accessed by pressing the keys at startup.

On Apple Macintosh operating systems ( including Mac OS X ), it can be achieved by pressing and holding the Option key then typing " N ", followed by typing either " N " or " n ".

On the Macintosh, pixels are square and a GrafPort has a default resolution of 72 pixels per inch, chosen to match conventions established by the printing industry of having 72 points to the inch.

On Windows-based computers, holding while typing on the numeric keypad will create the cent sign ; on Macintosh systems, ; on Unix systems with a compose key, is a typical sequence.

On Windows and Macintosh systems, DejaVu is, however, practically unknown, whereas Bitstream Vera Sans has installation bases of 25 % and 20 % there, and 79 % on Unix, according to a survey.

On a Macintosh AZERTY keyboard, the acute accent is generated by a combination of the Alt + Maj + &, keys, followed by the vowel.

On August 26, 1991, AppleLink, running on a Macintosh Portable was used to send the first e-mail from space, aboard the Space Shuttle Atlantis, mission STS-43.

* On Macintosh systems, it may be entered by pressing option shift = ( on the non-numeric keypad ).

* On the Macintosh platform, Target Disk Mode allows a computer to operate as an external FireWire hard disk, essentially a disk slave mode.

On the Macintosh, many keyboard layouts employ dead keys.

On a Macintosh, pressing one of these Option-key combinations creates the accent and highlights it, then the final character appears when the key for the base character is pressed.

On Macintosh systems, XScreenSaver works with the usual Apple screen saver framework, and X11 is unneeded.

On March 13, 2012 The 7th Guest for Macintosh was released on the Mac App Store.

On 10 December 2011, Harris effectively admitted defeat in the leadership race, leaving the field to the last two contenders, Johann Lamont and Ken Macintosh.

On the Macintosh operating systems this works if you have a kerberos ticket ( use negotiate ).

On a Macintosh, the Alt key is called the Option key.

On 12 February 2009, Cameron Macintosh ( producer ) announced that Djalili will appear as the second Fagin in the new West End production of Oliver!

On systems with 32-bit or larger words, it is possible to speed up execution of this cipher by combining the < tt > SubBytes </ tt > and < tt > ShiftRows </ tt > steps with the < tt > MixColumns </ tt > step by transforming them into a sequence of table lookups.

On ‑ board communications are provided by public address systems and aircraft intercoms.

On slower or congested links ( 622 Mbit / s and below ), ATM does make sense, and for this reason most asymmetric digital subscriber line ( ADSL ) systems use ATM as an intermediate layer between the physical link layer and a Layer 2 protocol like PPP or Ethernet.

On the continent of Europe among some civil law systems ( i. e. those deriving from Roman law or the Napoleonic Code ), the inquisitorial system may be used for some types of cases.

On the Coast, rainfall, sometimes relentless heavy rain, dominates in winter because of consistent barrages of cyclonic low-pressure systems from the North Pacific, but on occasion ( and not every winter ) heavy snowfalls and below freezing temperatures arrive when modified arctic air reaches coastal areas, typically for short periods.

On that Mississippi riverine system today, including that of other sheltered waterways, industrial barge trafficking in bulk raw materials such as coal, coke, timber, iron ore and other minerals is extremely common in the developed world using huge cargo barges that connect in groups and trains-of-barges in ways which allow cargo volumes and weights which would astonish pioneers of modern barge systems and methods in the Victorian era.

On February 5, 2002, George W. Bush visited the RODS laboratory and used it as a model for a $ 300 million spending proposal to equip all 50 states with biosurveillance systems.

Although control systems of various types date back to antiquity, a more formal analysis of the field began with a dynamics analysis of the centrifugal governor, conducted by the physicist James Clerk Maxwell in 1868 entitled On Governors.

On most modern operating systems, files are organized into one-dimensional arrays of bytes.

* On systems that support one-button mice, context menus are typically opened by pressing and holding the primary mouse button ( this works on the icons in the Dock on Mac OS X ) or by pressing a keyboard / mouse button combination ( e. g. Ctrl-mouse click in Mac OS ).

On the PC compatible platform, an entire family of operating systems was called DOS.

On Unix-like operating systems it is the de facto standard.

On the other hand, the pro-government camp considered them to be in compliance with the legislative intent of the Basic Law and in line with the ' One country, two systems ' principle, and hoped that this would put an end to the controversies on development of political structure in Hong Kong.

On generation in or exposure of biological systems to these radicals, they can cause damage to cells, including those in humans, where they react with DNA, lipids, and proteins.

On computer systems in use today, the Username is the most common form of identification and the Password is the most common form of authentication.

* On modern systems, Mac OS X Snow Leopard represents a 65, 536 byte file as " 66 KB ", rounding to the nearest 1000, while Microsoft Windows 7 would divide by 1024 and represent this as " 64 KB ".

On embedded systems, the real-time execution of instructions is expected from the low-level embedded operating system.

On 1 September 2010, the Financial Crimes Enforcement Network issued an advisory on " informal value transfer systems " referencing United States v. Banki.

* On the television show Mystery Science Theater 3000, the Nanites ( voiced variously by Kevin Murphy, Paul Chaplin, Mary Jo Pehl, and Bridget Jones )-are self-replicating, bio-engineered organisms that work on the ship, they are microscopic creatures that reside in the Satellite of Love's computer systems.

On the other hand, battery ignition systems have almost always had a timing advance system which can set the timing to the best setting for the speed the engine is turning, improving power output and fuel efficiency.

On such systems three octal digits per byte would be required, with the most significant octal digit representing two binary digits ( plus one bit of the next significant byte, if any ).

On some systems, 32-bit depth is available: this means that each 24-bit pixel has an extra 8 bits to describe its opacity ( for purposes of combining with another image ).

On many systems ( including Unix-type systems ) doing remote authentication, the shared secret usually becomes the hashed form and has the serious limitation of exposing passwords to offline guessing attacks.

On the other hand, in the case of mass-produced goods, customized control systems are economical.