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dari.....keadaan ini
Senin, 26 November 2007
Jumat, 23 November 2007
tugas (inggris)
PROPERTY INFORMATION &COMUNICATION
(ALAT-ALAT TEKNOLOGI INFORMASI & KOMUNIKASI)
150 years ago,people would propbly be suprised if knowing that people could communicated in a long distance even milion kilometers.
Now,we use electrical current and electromagnetic waves to send and receive a messagel such as telephone,faxmail,radio,tv and computer.This metod of sendig and receiving a message is called telecomunication.
A.TELEPHONE
American scientist,ALEXANDER GRAHAM BELL,believed that electrikcal current could be used to crry sound to the distant place.
The sound which vibrated on air were called sound waves.The sounds waves were different from others.There were hard,soft and there was vibrating one very faster than others.The sound s could creep by the signalof electrical current through a cable.
When speaking uses telephone,the sound waves of voice makes a diaphragm dise.Which fibrates very fast.The diaphragm presse carbon ore behund the disk when moving into and closing each other.
the electrical current would be easier to flowed through the carbon. The change of its electricalcurrent wouldweaker more or less 1000 per seconds.
When the electrical current flowed through the wires, the electrical magnet press the diaphragm inside the ear opf telephone receiver. The current became strong or weak and the diapragm is flowing over or flating making vibration which produced the sound waves that could be heard.
2. RADIO
Radio is technology in the form of signal sending by the electrical waves modulation. The waves can creep on air and airtight space.
Radio waves is a form of electrical magnet radiation formed when material that contains of electric is accelerated by usng frecuency which is on the radio frecuency.
Electromagnet waves whose frecuency are above radio waves is gamma-ray, x-ray, infrared, ultraviolet, and real light.
Marconi is the finder of communication radio in 1895. After 7 years, radio waves had been found by Heinrich Hertz.
3. TELEVISION
Television is a communication tool whose function is to capture pictorial broadcast. Televisipn comes from words”tele”(long) and “vision”(real), so, television means to see from a long distance.
Television is the same as radio because it can change the culture of the world.
In the discovery of TV, many were involved both individually and TV companies.
4. COMPUTER
Computer is a tool used to search an information, save, and counting a file. At the beginning, it described people whose job was to calculate an aritmatic calculation without aidt-devices. But, Now it is for the need to something which has nothing to do with mathematics.
HOW TO OPERATE COMPUTER
Computer set is divided into two parts namely hardware and software. The hardware is a part which forms a set of computer such as keyboard, monitor,mouse, printer, scanner,and CD writer. The hardware is out side of casing. The softawre is an intruction or programm which makes the computer work.
THE USE OF COMPUTER IN THE LIFE
The example of daily use of computer in thelife is ATM.
(ALAT-ALAT TEKNOLOGI INFORMASI & KOMUNIKASI)
150 years ago,people would propbly be suprised if knowing that people could communicated in a long distance even milion kilometers.
Now,we use electrical current and electromagnetic waves to send and receive a messagel such as telephone,faxmail,radio,tv and computer.This metod of sendig and receiving a message is called telecomunication.
A.TELEPHONE
American scientist,ALEXANDER GRAHAM BELL,believed that electrikcal current could be used to crry sound to the distant place.
The sound which vibrated on air were called sound waves.The sounds waves were different from others.There were hard,soft and there was vibrating one very faster than others.The sound s could creep by the signalof electrical current through a cable.
When speaking uses telephone,the sound waves of voice makes a diaphragm dise.Which fibrates very fast.The diaphragm presse carbon ore behund the disk when moving into and closing each other.
the electrical current would be easier to flowed through the carbon. The change of its electricalcurrent wouldweaker more or less 1000 per seconds.
When the electrical current flowed through the wires, the electrical magnet press the diaphragm inside the ear opf telephone receiver. The current became strong or weak and the diapragm is flowing over or flating making vibration which produced the sound waves that could be heard.
2. RADIO
Radio is technology in the form of signal sending by the electrical waves modulation. The waves can creep on air and airtight space.
Radio waves is a form of electrical magnet radiation formed when material that contains of electric is accelerated by usng frecuency which is on the radio frecuency.
Electromagnet waves whose frecuency are above radio waves is gamma-ray, x-ray, infrared, ultraviolet, and real light.
Marconi is the finder of communication radio in 1895. After 7 years, radio waves had been found by Heinrich Hertz.
3. TELEVISION
Television is a communication tool whose function is to capture pictorial broadcast. Televisipn comes from words”tele”(long) and “vision”(real), so, television means to see from a long distance.
Television is the same as radio because it can change the culture of the world.
In the discovery of TV, many were involved both individually and TV companies.
4. COMPUTER
Computer is a tool used to search an information, save, and counting a file. At the beginning, it described people whose job was to calculate an aritmatic calculation without aidt-devices. But, Now it is for the need to something which has nothing to do with mathematics.
HOW TO OPERATE COMPUTER
Computer set is divided into two parts namely hardware and software. The hardware is a part which forms a set of computer such as keyboard, monitor,mouse, printer, scanner,and CD writer. The hardware is out side of casing. The softawre is an intruction or programm which makes the computer work.
THE USE OF COMPUTER IN THE LIFE
The example of daily use of computer in thelife is ATM.
tugas
2. RADIO
Radio adalah teknologi berupa pengiriman sinyal oleh modulasi gelombang elektromagnetik. Gelombang ini dapat merambat di udara dan ruang hampa udara.
Gelombang radio adakah suatu bentuk dari radiasi elektromagnetik yang terbentuk ketika materi bermuatan listrik dipercepat dengan menggunakan frekuensi yang terdapat dalam frekuensi radio (RF).
Gelombang elektromagnetik yang frekuensinya di atas gelombang radio adalah sinar gamma, sinar-x, inframerah, ultraviolet, dan cahaya tampak.
Marconi adalah penemu komunikasi radio pada tahun 1895. Setelah 7 tahun ditemukannya gelombang radio oleh Henrich Hertz.
3. TELEVISI
Televisi merupakan alat telekomunikasi yang berfungsi menangkap siaran bergambar. Televisi berasal dari kata tele(jauh) dan vision(tampak). Jadi, televisi berarti melihat dari jarak jauh. Penemuan televisi disamakan dengan radio karena bisa merubah peradaban dunia.
Dalam penemuan televisi terdapat banyak pihak yang terlibat, baik perorangan maupun badan usaha.
4. KOMPUTER
Komputer adalah alat yang dipakai untuk mengolah informasi, menyimpan, dan menghitung data. Pada awalnya, komputer menggambarkan orang yang pekerjaannya melakukan perhitungan aritmatika, tanpa alat bantu. Akan tetapi, sekarang komputer digunakan untuk keperluan yang tidak berhubungan dengan aritmatika.
Cara Kerja Komputer
Perangkat komputer terbagi menjadi 2 bagian, yaitu perangkat keras dan perangkat lunak.Perangkat keras adalah bagian yang membentuk satu perangkat
komputer seperti keyboard, monitor, mouse, printer, scanner, dan CD writer. Perangkat tsb berada di luar casing.
Perangkat lunak adalah sebuah instruksi ataupun program yang membuat komputer bekerja.
Penggunaan komputer dalam kehidupan sehari-hari
Contoh penggunaan komputer dalam kehidupan sehari-hari yaitu. mesin ATM
Radio adalah teknologi berupa pengiriman sinyal oleh modulasi gelombang elektromagnetik. Gelombang ini dapat merambat di udara dan ruang hampa udara.
Gelombang radio adakah suatu bentuk dari radiasi elektromagnetik yang terbentuk ketika materi bermuatan listrik dipercepat dengan menggunakan frekuensi yang terdapat dalam frekuensi radio (RF).
Gelombang elektromagnetik yang frekuensinya di atas gelombang radio adalah sinar gamma, sinar-x, inframerah, ultraviolet, dan cahaya tampak.
Marconi adalah penemu komunikasi radio pada tahun 1895. Setelah 7 tahun ditemukannya gelombang radio oleh Henrich Hertz.
3. TELEVISI
Televisi merupakan alat telekomunikasi yang berfungsi menangkap siaran bergambar. Televisi berasal dari kata tele(jauh) dan vision(tampak). Jadi, televisi berarti melihat dari jarak jauh. Penemuan televisi disamakan dengan radio karena bisa merubah peradaban dunia.
Dalam penemuan televisi terdapat banyak pihak yang terlibat, baik perorangan maupun badan usaha.
4. KOMPUTER
Komputer adalah alat yang dipakai untuk mengolah informasi, menyimpan, dan menghitung data. Pada awalnya, komputer menggambarkan orang yang pekerjaannya melakukan perhitungan aritmatika, tanpa alat bantu. Akan tetapi, sekarang komputer digunakan untuk keperluan yang tidak berhubungan dengan aritmatika.
Cara Kerja Komputer
Perangkat komputer terbagi menjadi 2 bagian, yaitu perangkat keras dan perangkat lunak.Perangkat keras adalah bagian yang membentuk satu perangkat
komputer seperti keyboard, monitor, mouse, printer, scanner, dan CD writer. Perangkat tsb berada di luar casing.
Perangkat lunak adalah sebuah instruksi ataupun program yang membuat komputer bekerja.
Penggunaan komputer dalam kehidupan sehari-hari
Contoh penggunaan komputer dalam kehidupan sehari-hari yaitu. mesin ATM
Sabtu, 17 November 2007
Suasana mading di PTC hari ke-2
Meskipun aku baru pertama kali ikut berpartisipasi dalam lomba tersebut (cuma nonton). Aku lihat banyak orang yang ingin sekali melihat mading 2D & 3D dari berbagai sekolah luar maupun dalam kota surabaya. Padahal siangnya masih tidak terlalu padat tapi ketika menjelang sore pengunjung berdatangan. Karena terlalu capek untuk mengelilingi tempat berlangsungnya kompetisi mading deteksi.
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