- PowerBook 140

PowerBook 140 Apple Macintosh PowerBook 140 Developer Apple Computer Type Laptop Release date 140: October 1991 145: August 1992 145B: July 1993 Introductory price 140: US $3,199 145: US $2,999 145B: US $1,649 Discontinued 140: August 1992 145: June 1993 145B: July 1994 CPU 140: Motorola 68030, 16 MHz 145/145B: Motorola 68030, 25 MHz The PowerBook 140 was released in the first line of PowerBooks. It was the mid-range PowerBook, between the low-end 100 and the high-end 170. As with the PowerBook 170, and unlike the 100, this PowerBook featured an internal floppy drive. Codenames for this model are: Tim Lite, Tim LC, Replacements, and Leary. In 1992, it was replaced by the PowerBook 145, which was essentially a speed bump, though the PowerBook 160 essentially superseded it as the new mid-line model. Features Intended as a replacement for the Portable, the 140 series was identical to the 170, though it compromised a number of the high-end model's features to make it a [read more...]

- Inflatable movie screen

An inflatable movie screen is an inflatable framework with an attached projection screen. Inflatable screens are used for outdoor movies, film festivals, drive-in theaters, sports, social and other events requiring outdoor projection. Design The screen is made from PVC coated fabric layers joined by HF-welding or mechanical sewing. The frame is inflated with a high pressure blower. Larger frames may require a three phase blower. The blower typically continues to operate, ensuring the screen remains fully inflated. In comparison to traditional and heavy steel constructions, inflatable screens can be set up only a few hours before a movie. This can be useful for environments where wind or other dangerous weather may be a factor. One of the benefits of inflatable movie screens is that they can be deflated quickly in the case of high winds, adding significantly to their safety. Inflatable screens can be highly portable compared to other structures used to support screens like truss [read more...]

- Computer case screws

Computer case screws are the hardware used to fasten together parts of a computer case and to fasten the system components (such as motherboards, hard drives, and power supplies) to the case. Although there are numerous manufacturers of computer cases throughout the world, the computer industry has generally standardized on some specific screw thread measurements. The Unified Thread Standard (UTS) originates from the United States while the ISO metric screw thread is standardized worldwide. In turn, these thread standards define preferred size combinations that are based on generic units—some on the inch and others on the millimeter. 6-32 screw holes are often found on expansion cards (such as PCI cards) and hard disk drives. M3 screw holes are often found on optical disc drives and floppy drives. 4-40 jackscrews are often found on connectors at the ends of certain types of cables. 6-32 screw The 6-32 is a UTS screw with a major thread diameter of 0.1380 inches and a pitch [read more...]

- Tiled printing

Tiled printing is a method that computer programs use to enable users to print images larger than a standard page, recently popularized by a program called The Rasterbator. A tiled printing program overlays a grid on the printed image in which each cell (or tile) is the size of a printed page and then prints each tile. A person can then arrange the tiles to reconstruct the full image. Tiled printing has been widespread since the days of mainframe computers. Programs were available to convert images to ASCII art that, when printed large enough and viewed sufficiently far away, appeared to be smoothly shaded. Modern software may use halftoning to achieve a similar effect. Another form of tiled printing, inspired by continuous feed printers, involves making a long message of letters, possibly with inline graphics of the same height, and printing it sideways over several pages to make a banner. This type of printing is usually associated with The Print Shop, a 1980s software package. [read more...]

- Pocket computer phone

This article has multiple issues. Please help improve it or discuss these issues on the talk page. It may need to be wikified to meet Wikipedia's quality standards. Tagged since April 2011. The Pocket Computer Phone is a category in hand held technology. What was once a multiple component, large footprint on the top of a desk can now fit into a pocket or purse. It is powered by a full desktop or laptop OS and all the applications available to that OS. While running a full OS it is also still a phone that is small enough to fit in a pocket. A Pocket Computer Phone is dock-able to peripherals using technology such as Bluetooth® and HDMI output. This hand held technology then becomes the basis of workplace and personal home computing power. A setup at work may be a 27" flat screen accepting HDMI input and a Bluetooth keyboard and mouse. A similar setup could be used with the same Pocket Computer Phone at home but modified to a 55" flat screen and surround sound system to [read more...]

- PC100

PC100 is a standard for internal removable computer random access memory, defined by the Joint Electron Device Engineering Council (JEDEC). PC100 refers to Synchronous DRAM operating at a clock frequency of 100 MHz, on a 64-bit-wide bus, at a voltage of 3.3 V. PC100 is available in 168-pin DIMM and 144-pin SO-DIMM form factors. PC100 is backward compatible with PC66. A module built out of 100 MHz SDRAM chips is not necessarily capable of operating at 100 MHz. The PC100 standard specifies the capabilities of the memory module as a whole. PC100 is used in many older computers; PCs around the early 2000s were the most common computers with PC100 memory. See also PC66 PC133 PC1600 PC2100 PC2700 PC3200 DRAM SDRAM DDR SDRAM DIMM SO-DIMM [read more...]

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