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  2. Subnet - Wikipedia

    en.wikipedia.org/wiki/Subnet

    The subnet router anycast address is the lowest address in the subnet, so it looks like the “network address”. If a router has multiple subnets on the same link, then it has multiple subnet router anycast addresses on that link. [19] The first and last address in any network or subnet is not allowed to be assigned to any individual host.

  3. DEA number - Wikipedia

    en.wikipedia.org/wiki/DEA_number

    A valid DEA number consists of: 2 letters, 6 numbers, and 1 check digit. The first letter is a code identifying the type of registrant (see below) The second letter is the first letter of the registrant's last name, or "9" for registrants using a business address instead of name. Of the seven digits that follow, the seventh digit is a "checksum ...

  4. Texas Instruments - Wikipedia

    en.wikipedia.org/wiki/Texas_Instruments

    Texas Instruments Incorporated. Texas Instruments Incorporated (TI) is an American multinational semiconductor company headquartered in Dallas, Texas. [5] It is one of the top 10 semiconductor companies worldwide based on sales volume. [6] The company's focus is on developing analog chips and embedded processors, which account for more than 80% ...

  5. Harvard Mark I - Wikipedia

    en.wikipedia.org/wiki/Harvard_Mark_I

    The left end consisted of electromechanical computing components. The right end included data and program readers, and automatic typewriters. The Harvard Mark I, or IBM Automatic Sequence Controlled Calculator (ASCC), was one of the earliest general-purpose electromechanical computers used in the war effort during the last part of World War II.

  6. IPv6 address - Wikipedia

    en.wikipedia.org/wiki/IPv6_address

    IPv6 addresses are assigned to organizations in much larger blocks as compared to IPv4 address assignments—the recommended allocation is a / 48 block which contains 2 80 addresses, being 2 48 or about 2.8 × 10 14 times larger than the entire IPv4 address space of 2 32 addresses and about 7.2 × 10 16 times larger than the / 8 blocks of IPv4 ...

  7. Classless Inter-Domain Routing - Wikipedia

    en.wikipedia.org/wiki/Classless_Inter-Domain_Routing

    Classless Inter-Domain Routing (CIDR / ˈsaɪdər, ˈsɪ -/) is a method for allocating IP addresses for IP routing. The Internet Engineering Task Force introduced CIDR in 1993 to replace the previous classful network addressing architecture on the Internet. Its goal was to slow the growth of routing tables on routers across the Internet, and ...

  8. Manhattan address algorithm - Wikipedia

    en.wikipedia.org/wiki/Manhattan_address_algorithm

    Manhattan address algorithm. The Manhattan address algorithm is a series of formulas used to estimate the closest east–west cross street for building numbers on north–south avenues in the New York City borough of Manhattan. [1][2]

  9. HP-35 - Wikipedia

    en.wikipedia.org/wiki/HP-35

    Was the first scientific calculator to fly in space in 1973. [5] HP-35 calculators were carried on the Skylab 3 and Skylab 4 flights, between July 1973 and February 1974. [6] Is the first pocket calculator with a numeric range that covered 200 decades (more precise 199, ±10 ±99). [5]