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80 bit/s: 10 B/s: 1963 TRS-80 Model 1 Level 1 BASIC cassette tape interface: 250 bit/s: 32 B/s: 1977 C2N Commodore Datasette 1530 cassette tape interface: 300 bit/s: 15 B/s: 1977 Apple II cassette tape interface: 1.5 kbit/s: 200 B/s: 1977 Amstrad CPC tape: 2.0 kbit/s: 250 B/s: 1984 Single Density 8-inch FM Floppy Disk Controller (160 KB) 250 ...
The Windows power management system is based upon an idle timer. If the computer is idle for longer than the pre-set time, then the PC may be configured to sleep or ' hibernate '. Windows uses a combination of user activity and CPU activity to determine when the computer is idle.
For instance, though newer generation GPU architectures may provide better performance per watt, continued performance increases can negate the gains in efficiency, and the GPUs continue to consume large amounts of power. [22] Benchmarks that measure power under heavy load may not adequately reflect typical efficiency.
Bandwidth sometimes defines the net bit rate (aka. peak bit rate, information rate, or physical layer useful bit rate), channel capacity, or the maximum throughput of a logical or physical communication path in a digital communication system. For example, bandwidth tests measure the maximum throughput of a computer network.
See the main article at Performance engineering. Performance engineering is the discipline encompassing roles, skills, activities, practices, tools, and deliverables used to meet the non-functional requirements of a designed system, such as increase business revenue, reduction of system failure, delayed projects, and avoidance of unnecessary usage of resources or work.
The main editions also can take the form of one of the following special editions: N and KN editions The features in the N and KN Editions are the same as their equivalent full versions, but do not include Windows Media Player or other Windows Media-related technologies, such as Windows Media Center and Windows DVD Maker due to limitations set by the European Union and South Korea ...
As the description implies, is the signal energy associated with each user data bit; it is equal to the signal power divided by the user bit rate (not the channel symbol rate). If signal power is in watts and bit rate is in bits per second, E b {\displaystyle E_{b}} is in units of joules (watt-seconds).
Windows 98 Second Edition — June 10, 1999 Windows 98 Second Edition; 2222A Windows 2000: Windows NT 5.0: February 17, 2000 NT 5.0 Windows 2000 Professional; 2195 IA-32: July 13, 2010 Windows Me: Millennium: September 14, 2000 4.90 Windows Me; 3000 IA-32: July 11, 2006 Windows XP: Whistler: October 25, 2001 NT 5.1 Windows XP Starter; Windows ...