integrated-circuit calculator
41Hewlett-Packard Company — ▪ American company Introduction American manufacturer of computers, computer peripherals, and instrumentation equipment. Headquarters are in Palo Alto, California. Founding and early growth The company was founded on January 1, 1939, by… …
42Intel 4004 — Microprocesador Microprocesador Intel 4004 Producción Finales de 1971   1981 …
43Commodore 64 — Type Home computer Release date August 1982[1] Discontinued …
44Inductor — An inductor is a passive electrical component designed to provide inductance in a circuit.Inductors store energy in a magnetic field created when an electric current flows through them. They are usually implemented by some sort of coiled… …
45TRS-80 Color Computer — 16k TRS 80 Color Computer 1 Developer Tandy Corporation Manufacturer Motorola Release date 1980 …
46Read Only Memory — The notion of read only data can also refer to file system permissions. Read only memory (usually known by its acronym, ROM) is a class of storage media used in computers and other electronic devices. Because data stored in ROM cannot be modified …
47Intel Corporation — Infobox Company company name = Intel Corporation company company type = Public (nasdaq|INTC, hkex|4335) slogan = Leap Ahead foundation = 1968 1 location = Santa Clara, California (incorporated in Delaware) USA key people = Paul S. Otellini, CEO… …
48RC time constant — In an RC circuit, the value of the time constant (in seconds) is equal to the product of the circuit resistance (in ohms) and the circuit capacitance (in farads), i.e. au = R × C . It is the time required to charge the capacitor, through the… …
49Sinclair Executive — The Sinclair Executive was Clive Sinclair rsquo;s first venture into the pocket calculator market. The Executive was the world rsquo;s first ldquo;slimline rdquo; pocket calculator. It was variously described as ldquo;a piece of personal jewelry… …
50555 timer IC — NE555 from Signetics in dual in line package …
