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The Happy Hacking Keyboard (HHKB) is a small computer keyboard produced by PFU Limited of Japan, codeveloped with Japanese computer scientist and pioneer Eiiti Wada. [1] Its reduction of keys from the common 104-key layout down to 60 keys in the professional series is the basis for it having smaller overall proportions, yet full-sized keys.
Perhaps the HP-42S was to be released as a replacement for the aging HP-41 series as it is designed to be compatible with all programs written for the HP-41. Since it lacked expandability, and lacked any real I/O ability, both key features of the HP-41 series, it was marketed as an HP-15C replacement.
HP attempted to lure customers with a rebate program, a weekend-only discount, and finally a permanent $100 price decrease in a single week in August, all of which proved fruitless. [87] The company discontinued the TouchPad on August 18—just 48 days after it was launched, with Best Buy reporting only 25,000 of the 270,000 units in its stock.
A pointing stick on a mid-1990s-era Toshiba laptop. The two buttons below the keyboard act as a computer mouse: the top button is used for left-clicking while the bottom button is used for right-clicking. Optical pointing sticks are also used on some Ultrabook tablet hybrids, such as the Sony Duo 11, ThinkPad Tablet and Samsung Ativ Q.
The HP 35s (F2215A) is a Hewlett-Packard non-graphing programmable scientific calculator. Although it is a successor to the HP 33s, it was introduced to commemorate the 35th anniversary of the HP-35, Hewlett-Packard's first pocket calculator (and the world's first pocket scientific calculator).
HR 5183 b is an exoplanet located 102.7 light years away in the constellation of Virgo orbiting the star HR 5183. It has a mass of 3.31 M J. [2] It has a highly eccentric (e≃0.87) orbit which takes it from within the orbit of Jupiter to beyond the orbit of Neptune (2.87 to 41.8 AU) which classifies it as an eccentric Jupiter and it has been nicknamed the "whiplash planet".
The XT/370 came with an XT-style 83-key keyboard (10 function keys). [2] Newer revisions of the XT/370 dropped the PC3277-EM in favor of the IBM 3278/79 boards. The XT/370 was among the XT systems that could use a second hard drive mounted in the 5161 expansion chassis. [7]: 6–17 BYTE in 1984 called the XT/370 "a qualified success". The ...
The instructions or digits occupy eight bits, codified in binary-coded decimal. In instructions the left nibble stores the affected register and the right nibble the instruction, while in digits the first nibble stores information about the number, such as the sign or the decimal place, and the last nibble stores the actual digit. [18]