Search references for RCA OPEN-SOURCE-APPLICATION. Phrases containing RCA OPEN-SOURCE-APPLICATION
See searches and references containing RCA OPEN-SOURCE-APPLICATION!RCA OPEN-SOURCE-APPLICATION
RCA Open-Source Application (ROSA) is an open-source management accounting application that aims to provide decision-support information to managers. Resource
RCA_open-source_application
book-keeping LedgerSMB – double-entry book-keeping RCA open-source application – management accounting application SQL-Ledger – double-entry book-keeping TurboCASH
List of free and open-source software packages
List_of_free_and_open-source_software_packages
Topics referred to by the same term
Linux distribution Red Hat OpenShift Service on AWS, containerization software for OpenShift RCA open-source application Romanian Space Agency Roll Out
Rosa
Early microprocessor
Monolithic Array Computer) is an 8-bit microprocessor family introduced by RCA. It is historically notable as the first CMOS microprocessor. The first production
RCA_1802
Electrical connector used for analog audio and video
The RCA connector is a type of electrical connector commonly used to carry analog audio and video signals. The name refers to the popular name of Radio
RCA_connector
Jewish religious movement
Fellowship for Open Orthodox rabbis, and, in 2015, he and Rabbi Asher Lopatin, YCT's president, resigned from the Rabbinical Council of America (RCA). The movement's
Open_Orthodoxy
Electrical or optical connectors for carrying audio and video signals
MPEG-2, or the DTS Coherent Acoustics codec. In some cases, the application layer is left open; for example, HDMI contains an Ethernet channel for general
Audio and video interfaces and connectors
Audio_and_video_interfaces_and_connectors
Baseband analog video signal format
and 16:9 display formats, etc. In home applications, the composite video signal is typically connected using an RCA connector, normally yellow. It is often
Composite_video
Entertainment trademark
the 1950s, RCA would gradually phase out the trademark's use on consumer electronics, in lieu of the RCA "lightning bolt" logo. In 1968, RCA introduced
His_Master's_Voice
Linux kernel-based operating system developed by LG, previously Palm and HP
was acquired by Hewlett-Packard), HP made the platform open source, at which point it became Open webOS. LG Electronics later acquired the operating system
WebOS
Early power transistor
power transistor intended for general purpose applications. It was introduced in the early 1960s by RCA using a hometaxial power transistor process, transitioned
2N3055
Software program used to perform various business functions
excluded the use of 8's or 9's. The first RCA business application was implemented in 1962 on a 4k RCA 301. The RCA 301, mid-frame 501, and large frame 601
Business_software
integrated circuits. In 1968, the original 4000-series was introduced by RCA. Although more recent parts are considerably faster, the 4000 devices operate
List of 4000-series integrated circuits
List_of_4000-series_integrated_circuits
Multimedia application designed for large screens
live TV functionality. MediaPortal is a free and open-source Windows exclusive media center application that started development in 2004 and left beta status
Media_center_application
Fast, high sensitivity, low noise electronic photon detector
Engstrom, Ralph W., Photomultiplier Handbook, RCA/Burle (1980). Photomultiplier Tubes: Basics and Applications (Second Edition), Hamamatsu Photonics, Hamamatsu
Photomultiplier_tube
Amount of heat a computer's cooling system must dissipate
required heat sink, i.e. its thermal resistance Rca, as: R c a = ( T c − T a ) P d {\displaystyle Rca={\frac {(Tc-Ta)}{Pd}}} This equation can be rearranged
Thermal_design_power
American businessman (1891–1971)
radio broadcasting and television. He led the Radio Corporation of America (RCA) for most of his career in various capacities from shortly after its founding
David_Sarnoff
Cloud computing software
the Open Infrastructure Foundation in 2021. In July 2010, Rackspace Hosting and NASA announced an open-source cloud-software initiative known as OpenStack
OpenStack
Reformed Protestant denomination in the Dutch tradition
The Reformed Church in America (RCA) is a mainline Reformed Protestant denomination in Canada and the United States. It has about 82,865 members. From
Reformed_Church_in_America
Television transmission technology
Television Systems Committee approved an all-electronic system developed by RCA that encoded the color information separately from the brightness information
Color_television
The following list encompasses notable smart TV platforms and application software that are used as software framework and middleware platforms used by
List_of_smart_TV_platforms
US Cold War Early Warning Radar for ballistic missile defense
The RCA 474L Ballistic Missile Early Warning System (BMEWS, 474L System, Project 474L) was a United States Air Force Cold War early warning radar, computer
Ballistic Missile Early Warning System
Ballistic_Missile_Early_Warning_System
American radio network (1926–1999)
years of its existence, NBC was owned by the Radio Corporation of America (RCA) with New York City radio station WEAF (renamed WNBC in 1946, WRCA in 1954
NBC_Radio_Network
Orthodox Rabbinical Association
whether to approving the application. A week after the arrest of Rabbi Barry Freundel, a prominent Washington, D.C. area RCA member on charges of voyeurism
Rabbinical_Council_of_America
CONvention OSDN—Open Source Development Network OSI—Open Source Initiative OSI—Open Systems Interconnection OSINT—Open source intelligence OSPF—Open Shortest
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
English painter (1856–1924)
as a recording industry trademark used by various corporations including RCA Victor, EMI, HMV, JVC and Deutsche Grammophon. The image, which depicts a
Francis_Barraud
Technology for constructing integrated circuits
located between the drain contact and the source contact. CMOS was commercialised by RCA in the late 1960s. RCA adopted CMOS for the design of integrated
CMOS
Application for mainframe computers
programming consulting services. In 1964, RCA approached the company with the idea of a flowcharting application for the RCA 501 computer. Flowcharts were widely
Autoflow
– Microsoft Application Package APP – HarmonyOS APP Packs file format for HarmonyOS apps installable from AppGallery and third party OpenHarmony based
List_of_file_formats
Discontinued cross-platform media center application
originally a fork of the free and open source XBMC (now Kodi) media center application which Boxee used as an application framework for its GUI and media
Boxee
American singer, actor, producer (born 1978)
Measure of a Man, went multi-platinum. He released four more albums on the RCA label, Merry Christmas with Love (2004), A Thousand Different Ways (2006)
Clay_Aiken
Oxidizing acid mixture containing sulfuric acid and hydrogen peroxide
(H2S2O8) Peroxymonosulfuric acid, or Caro's acid (H2SO5) Plasma etching RCA clean (silicon wafer cleaning procedure) Superhydrophilicity Ultrahydrophobicity
Piranha_solution
Electrical circuit
outputs a voltage. The OTA is usually used "open-loop"; without negative feedback in linear applications. This is possible because the magnitude of the
Operational transconductance amplifier
Operational_transconductance_amplifier
Exercise video by Jane Fonda
exercise studio in Beverly Hills. The video release by Karl Home Video and RCA Video Productions was aimed primarily at women as a way to exercise at home
Jane_Fonda's_Workout
Optical machine-readable representation of data
was not accepted. Philco purchased the patent in 1962 and then sold it to RCA sometime later. During his time as an undergraduate, David Jarrett Collins
Barcode
Type of video projector
crystals to generate a video image were done by John A. van Raalte at the RCA-Laboratories in 1968. His concept was based on e-beam-addressing to generate
LCD_projector
Overview of and topical guide to computing
World Wide Web Consortium (W3C) See also Open standard Apdex Alliance – Application Performance Index Application Response Measurement (ARM) Digital Bibliography
Outline_of_computing
Typekit". typekit.com. Retrieved 2016-09-18. "Overview of OCR and Its Applications" (PDF). Understanding Optical Character Recognition. Retrieved 18 September
Timeline of optical character recognition
Timeline_of_optical_character_recognition
embedded devices. TRON – open real-time operating system kernel T-Kernel EXEC I EXEC II EXEC 8/OS 1100/OS 2200 VS/9, successor to RCA TSOS OS/4 for 9000 series
List_of_operating_systems
Two-BJT transistor digital logic
gate is constructed with a PNP common base current source transistor and an NPN common emitter open collector inverter transistor (i.e. they are connected
Integrated_injection_logic
High-gain voltage amplifier with a differential input
it will be independent of open-loop gain). In applications where the closed-loop gain must be very high (approaching the open-loop gain), the feedback
Operational_amplifier
Computer sound card
headphone output, line-in, and full size MIDI I/O, as well as optical and RCA Coaxial digital inputs and outputs), and remote control. The Platinum and
Sound_Blaster_X-Fi
Computer resource for recording data on a storage device
Corporation of America (RCA) advertisement in Popular Science magazine describing a new "memory" vacuum tube it had developed, RCA stated: "the results of
Computer_file
Chinese fabless semiconductor company
GLBenchmark (OpenGL ES)". Gfxbench.com. Retrieved 2014-01-13. "Compact3128". Boardcon Embedded Design. Retrieved 2018-03-28. "7" Dual Core 8GB". RCA Tablets
Rockchip
1990s–2010s sex crimes
Surviving R. Kelly reexamined Kelly's sexual misconduct with minors, prompting RCA Records to terminate his contract. Renewed interest in the allegations resulted
R._Kelly_sexual_abuse_cases
Series of low-cost single-board computers
selling licenses for MPEG-2 and VC-1 codecs. A major milestone for the open-source community occurred in October 2012, when the Foundation released the
Raspberry_Pi
APIs in IBM mainframe computer operating systems
(FCP) in RCA 3301 Realcom Operating System, GEFRC in GECOS, and the later Record Management Services (RMS) in DEC VAX/VMS (later OpenVMS. RCA 3301 Realcom
Access_method
OCaml – occam – OmniWeb – One True Brace Style – OpenBSD – Open source – Open Source Initiative – OpenVMS - Opera (web browser) – Operating system advocacy
Index_of_computing_articles
Integrated circuit used for timer applications
used in a variety of timer, delay, pulse generation, and oscillator applications. It is one of the most popular timing ICs due to its flexibility and
555_timer_IC
Computer operating system
1992 through 1995, BS2000/OSD V1.0 was made open to application software and was renamed BS2000/OSD (Open Server Dimension). Full support of the XPG4
BS2000
Radio communication system implemented in software
needed] In 1982, while working under a US Department of Defense contract at RCA, Ulrich L. Rohde's department developed the first SDR, which used the COSMAC
Software-defined_radio
Home media streaming device from Apple
Apple TV had component video and RCA connector audio ports, both removed in the 2nd generation. The device does not have RCA/composite video or F/RF connectors
Apple_TV_(device)
Television station in Concord, California
release). December 9, 2019. "Application Search Details". https://www.facebook.com/CanalDeLaFe/ [user-generated source] "Application for Consent to Assignment
KTNC-TV
American radio and television personality (born 1954)
speculated that Thornton Bradshaw, then chairman of WNBC's parent company RCA, had heard his controversial "Bestiality Dial-a-Date" segment, aired ten
Howard_Stern
Process of displaying interpretive texts to screens
captioning capability will be replaced with televisions that have such capability RCA 27" HD CRT (D27F750T) [2004]. 2004. p. 38. "mb21 - ether.net - The Teletext
Closed_captioning
Analog videocassette recording format
The United States received its first VHS-based VCR, the RCA VBT200, on August 23, 1977. The RCA unit was designed by Matsushita and was the first VHS-based
VHS
Device that controls current between electrodes
design and application of vacuum tubes. RCA. Radiotron Designer's Handbook, 1953 (4th Edition). Contains chapters on the design and application of receiving
Vacuum_tube
Stack-based programming language
of Forth derivatives existed before and after ANS Forth. The free and open-source software Gforth implementation is actively maintained, as are several
Forth_(programming_language)
Beam-power tetrode vacuum tube
1938, Sponsored by RCA. for the 6V6 tube has led to some confusion as to the origins of the 6V6. The 6V6G but not the 6V6 is in the RCA manual RC-13 from
6V6
Large and powerful computer
iron, is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer
Mainframe_computer
Medium for transmitting moving images and sound
other electronic imaging device. Thus, based on Zworykin's 1923 patent application, RCA filed a patent interference suit against Farnsworth. The U.S. Patent
Television
1952 song by Jerry Leiber and Mike Stoller
1956; Released: July 13, 1956: RCA Victor 47–6604) (Canada: July 13, 1956; RCA Victor 20–6604) (Germany: August 4, 1956; RCA 20–6604; 47–6604) (UK: September
Hound_Dog_(song)
Market having two distinct user groups that provide each other with network benefits
Windows, CBS vs. RCA in color TV, American Express vs. Visa, and more recently Blu-ray vs. HD DVD. In the case of color TV, CBS and RCA offered rival formats
Two-sided_market
Computer architecture where code and data share a common bus
related to Von Neumann architecture. Harvard vs von Neumann JOHNNY: A simple Open Source simulator of a von Neumann machine for educational purposes
Von_Neumann_architecture
Sequence of program instructions invokable by other software
such as the Manchester Baby, and some early microprocessors, such as the RCA 1802, did not have a single subroutine call instruction. Subroutines could
Function (computer programming)
Function_(computer_programming)
Fabs present & past worldwide
Retrieved 2018-02-12. "The story of Tondi Electronics and Donte". www.donte.ee. "RCA Solid State Division records" (PDF). "Intersil closing Ohio plant to phase
List of semiconductor fabrication plants
List_of_semiconductor_fabrication_plants
Overview of the accessories made for the Xbox 360
supports HDMI output only. Analog stereo audio is output by these cables by RCA connectors, with the exception of the Advanced SCART A/V Cable, where it
List_of_Xbox_360_accessories
Device that converts sound into an electrical signal
years these microphones were developed by several companies, most notably RCA that made large advances in pattern control, to give the microphone directionality
Microphone
American jazz saxophonist (1923–2009)
(Victor, 1967) Mirror (Atlantic, 1972) Cascade (Limetree, 1974) Reflections (RCA Victor, 1974) Helen 12 Trees (MPS, 1976) October (Inner City, 1978) Crystal
Charlie_Mariano
Procedural, imperative computer programming language
2021-02-26. Pearkins, Jon E. (December 1, 1995). "Open PL/I: Liant addresses PL/I legacy applications". Enterprise Systems Journal. Archived from the original
PL/I
States. History of CP/CMS has many period details and sources. Timeline of operating systems Application of this concept to data communication led Donald Davies
Time-sharing_system_evolution
Type of window covering
complex in the US that adopted Venetian blinds was Rockefeller Center's RCA Building (better known as the Radio City building) in New York City, completed
Window_blind
Audio recording using magnetic tape spooled on open reels
developed for radio station commercials and spot announcements in 1954, the RCA tape cartridge, developed in 1958 for home use, and the Compact Cassette
Reel-to-reel audio tape recording
Reel-to-reel_audio_tape_recording
Letter names for unambiguous communication
the US, Royal Air Force, Royal Navy, British Army, AT&T, Western Union, RCA Communications, and that of the International Telecommunications Convention
NATO_phonetic_alphabet
multiple APIs: OpenGL ES 3.2, Vulkan 1.0, OpenCL 1.1/1.2, OpenVX1.0, AI interfaces support TensorFlow Lite/AndroidNN API. RK3399 Linux source code and hardware
List_of_Rockchip_products
Cloud computing platform by Microsoft
data from sources such as devices, sensors, websites, social media, and other applications. The Microsoft Azure Service Bus allows applications running
Microsoft_Azure
American electronics store chain
company agreed to carry RCA products in a five-year agreement for a "RCA Digital Entertainment Center" store-within-a-store. When the RCA contract ended, RadioShack
RadioShack
1966 studio album by the Monkees
released on October 10, 1966, by Colgems Records in the United States and RCA Victor in the rest of the world. It was the first of four consecutive U.S
The_Monkees_(album)
them from each other. The leading US electronics companies (Bell Labs, IBM, RCA and General Electric) sought solution to "the tyranny of numbers" in the
Invention of the integrated circuit
Invention_of_the_integrated_circuit
Military occupation by Israel since 1967
such bullets (Michaeli 2013, p. 21). This was a new Riot Control Agent (RCA) first reported in the West Bank in July 2002. It consists of small plastic
Israeli occupation of the West Bank
Israeli_occupation_of_the_West_Bank
2013 album by Justin Timberlake
by American singer Justin Timberlake, released on September 27, 2013, by RCA Records. It is considered the second half of a two-part project, following
The_20/20_Experience_–_2_of_2
Device or software that records, edits or plays back musical notes
music sequencer (or audio sequencer or simply sequencer) is a device or application software that can record, edit, or play back music, by handling note
Music_sequencer
Imaging technique for solid chemical analysis
at RCA. In the early 1940s, they built an electron microprobe, combining an electron microscope and an energy loss spectrometer. A patent application was
Electron_probe_microanalysis
Apparatus to create nuclear fusion
latest technology with multiple possible applications Hull, Richard (24 Apr 2013). "The Fusor List". The Open Source Fusor Research Consortium. Archived from
Fusor
Device used to join electrical conductors
jack common to many electronic applications in various configurations, sometimes referred to as a headphone jack The RCA jack, also known as a phono jack
Electrical_connector
Digital imaging circuit
simple linear devices. Several companies, including Fairchild Semiconductor, RCA and Texas Instruments, picked up on the invention and began development programs
Charge-coupled_device
2024 single by Lisa
a song by Thai rapper and singer Lisa. It was released through Lloud and RCA Records on June 27, 2024, as the lead single from her debut studio album
Rockstar_(Lisa_song)
this application, the drain and source of a MOSFET exchange places depending on the relative voltages of the source/drain electrodes. The source is the
List_of_MOSFET_applications
Theorem in topology
equivalent to weak Kőnig's lemma over the system R C A 0 {\displaystyle {\mathsf {RCA}}_{0}} . In computational geometry, the Jordan curve theorem can be used
Jordan_curve_theorem
Automotive engineering terminology
by GM's Emissions Control System Project Center document XDE-5024B. 1982: RCA defines an analog STE/ICE (simplified test equipment for internal combustion
On-board_diagnostics
British stage, screen, radio actor (1927/1928–2018)
pick him to play Othello. In 1970, Wyngarde recorded an album released by RCA Victor as an LP entitled Peter Wyngarde. This is a collection of spoken-word
Peter_Wyngarde
Two-stage amplifier in an electronic circuit
Vinton Hunt and Roger Wayne Hickman in 1939, in a discussion on the application of voltage stabilizers. They proposed a cascade of two triodes (the first
Cascode
Chemical element with atomic number 52 (Te)
is CdTe solar panels and thermoelectric devices. A more traditional application in copper (tellurium copper) and steel alloys, where tellurium improves
Tellurium
Conservative Reformed Christian denomination in the United States and Canada
leaving the RCA". Ascribe log. November 11, 2014. Retrieved April 16, 2018 – via WordPress. "University Reformed Church Takes Second Vote to Leave RCA, to Affiliate
Presbyterian Church in America
Presbyterian_Church_in_America
Device for recording video and audio on magnetic tape
for home use and is based on half-inch tape. Ampex and RCA followed in 1965 with their own open-reel monochrome VTRs priced under US $1,000 for the home
Video_tape_recorder
Handbook, 4th Ed (PDF). Wireless Press for RCA. pp. 1223–1224. In the early 1920s Armstrong, David Sarnoff head of RCA, and other radio pioneers testified before
History_of_radio_receivers
Single-board computer
composite TRRS to RCA audio-video cable Optional VGA adapter and HDMI adapter (see Hardware extensions below) Open source hardware and open source software Up
CHIP_(computer)
Computer intended for use by an individual person
applications, usually these systems run commercial software, free-of-charge software ("freeware"), which is most often proprietary, or free and open-source
Personal_computer
Magneto-optical storage medium, mainly for audio (1992–2013)
Hi-MD devices. 1990s portal Capacitance Electronic Disc (SelectaVision) – an RCA-developed format that uses a disc inside a sleeve, like MD Fidelipac Universal
MiniDisc
Computation machine that uses continuously varying data technology
of dynamic systems. Project Typhoon was an analog computer developed by RCA in 1952. It consisted of over 4,000 electron tubes and used 100 dials and
Analog_computer
RCA OPEN-SOURCE-APPLICATION
RCA OPEN-SOURCE-APPLICATION
Boy/Male
English French American
Open.
Male
English
 Anglicized form of Irish Gaelic Eóghan, OWEN means "born of yew." Compare with another form of Owen.
Female
Thai/Siamese
Thai name PEN-CHAN means "full moon."
Male
Welsh
 Modern Welsh form of Old Welsh Owain, OWEN means "born of yew." Compare with another form of Owen.
Male
Swedish
Swedish name derived from Old Norse stúra, STURE means "obstinate."
Surname or Lastname
English
English : variant of Penn.Dutch : metonymic occupational name for a clerk or penman, from Dutch pen ‘pen’.Cambodian : unexplained.
Boy/Male
English French
Open.
Male
Swedish
Norwegian and Swedish form of Old Norse Óðinn, ODEN means "poetry, song" and "eager, frenzied, raging."
Male
Welsh
Variant form of Welsh Owen, possibly OUEN means "born of yew."
Female
English
English short form of Latin Penelope, PEN means "weaver of cunning."
Female
Spanish
 Spanish name RIA means "small river." Compare with another form of Ria.
Surname or Lastname
English
English : ethnic name for someone from Prussia, Middle English Spruce, Sprewse. Compare German Preuss. The adjective spruce ‘neat’, ‘dapper’, which probably derives from an attributive use of the name of the country, is not recorded until the late 16th century, too late for it to be a likely source of the surname. The tree (earlier called spruce fir) has likewise only come to be known by this name in the last couple of centuries.
Boy/Male
English French
Open.
Boy/Male
English French
Open.
Boy/Male
Welsh
Son of Owen.
Surname or Lastname
English
English : patronymic from Middle English sour ‘sour’, ‘tart’, used as a nickname for a sour-tempered, sharp-tongued person.
Boy/Male
Celtic Welsh
Son of Owen.
Boy/Male
English French
Open.
Boy/Male
English French
Open.
Boy/Male
English French
Open.
RCA OPEN-SOURCE-APPLICATION
RCA OPEN-SOURCE-APPLICATION
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : occupational name from Old French tablier ‘joiner’.
Girl/Female
Australian, Greek, Polish
Crowned; Crown of Laurels; Garland
Boy/Male
Indian, Telugu
Lord Vishnu
Female
Polish
Feminine form of Polish Celestyn, CELESTYNA means "heavenly."
Boy/Male
Tamil
Tongue, Language, Defender of mankind
Boy/Male
Hindu
The Sun
Boy/Male
Tamil
The universe
Boy/Male
British, English
Wealthy
Female
English
Variant spelling of English Jen, JENN means "white and smooth."
Boy/Male
Hindu
Dedicating
RCA OPEN-SOURCE-APPLICATION
RCA OPEN-SOURCE-APPLICATION
RCA OPEN-SOURCE-APPLICATION
RCA OPEN-SOURCE-APPLICATION
RCA OPEN-SOURCE-APPLICATION
v. i.
To have origin or source; to rise; to spring.
v. t. & i.
To open.
a.
With eyes widely open; watchful; vigilant.
a.
Not of a quality to prevent communication, as by closing water ways, blocking roads, etc.; hence, not frosty or inclement; mild; -- used of the weather or the climate; as, an open season; an open winter.
a.
Produced by an open string; as, an open tone.
a.
Free of access; not shut up; not closed; affording unobstructed ingress or egress; not impeding or preventing passage; not locked up or covered over; -- applied to passageways; as, an open door, window, road, etc.; also, to inclosed structures or objects; as, open houses, boxes, baskets, bottles, etc.; also, to means of communication or approach by water or land; as, an open harbor or roadstead.
a.
Having the mouth open; gaping; hence, greedy; clamorous.
a.
Not drawn together, closed, or contracted; extended; expanded; as, an open hand; open arms; an open flower; an open prospect.
a.
Free or cleared of obstruction to progress or to view; accessible; as, an open tract; the open sea.
v. t.
To loosen or make less compact; as, to open matted cotton by separating the fibers.
a.
Taking place in the open air; outdoor; as, an open-air game or meeting.
v. t.
To spread; to expand; as, to open the hand.
a.
Not concealed or secret; not hidden or disguised; exposed to view or to knowledge; revealed; apparent; as, open schemes or plans; open shame or guilt.
v. t.
To enter upon; to begin; as, to open a discussion; to open fire upon an enemy; to open trade, or correspondence; to open a case in court, or a meeting.
a.
Free; disengaged; unappropriated; as, to keep a day open for any purpose; to be open for an engagement.
a.
Open.
n.
Open or unobstructed space; clear land, without trees or obstructions; open ocean; open water.
a.
Not settled or adjusted; not decided or determined; not closed or withdrawn from consideration; as, an open account; an open question; to keep an offer or opportunity open.
n.
Source. See Source.
v. t.
To make or set open; to render free of access; to unclose; to unbar; to unlock; to remove any fastening or covering from; as, to open a door; to open a box; to open a room; to open a letter.