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Salsk061 [2.6K]
3 years ago
15

Why do computers have both main memory and secondary storage?

Computers and Technology
1 answer:
VladimirAG [237]3 years ago
3 0
Main memory is RAM (random access memory) that is so programs can save data. Without ram, whenever you would write something in a text document it would delete it. Secondary storage is so you can save the file and go back to it.
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Analizar los componentes de una computadora completa hoy en día comparada con el inicio de la Informática.
scZoUnD [109]

Answer:

Explanation:

Las computadoras que existian en el inicio de la informatica y las que existen ahora tenian los mismos componentes. Estos eran CPU, Placa Madre, RAM, HDD, y tarjeta grafica. Lo que si cambio fueron el velocidad y capacidad. Por ejemplo, en el inicio las Tarjetas de RAM venian como DDR a una velocidad maxima de 133 Mhz con una capacidad de entre 4mb y 8mb. Hoy en dia tenes RAM de DDR5 con una velocidad de 4400 Mhz y de 8gb. Mientras que avanzaba el tiempo los componentes de las computadoras aumentaban en velocidad y capacidad aunque el tamaño bajaba o aumentaba dependiendo del gusto del usario.

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3 years ago
A network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. The n
MakcuM [25]

A network administrator notices that some newly installed Ethernet cabling is carrying corrupt and distorted data signals. The new cabling was installed in the ceiling close to fluorescent lights and electrical equipment

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  • EMI (electromagnetic interference) is the disruption of operation of an electronic device when it is in the vicinity of an electromagnetic field (EM field) in the radio frequency (RF) spectrum that is caused by another electronic device.
  • During EMC testing, radiated emissions measurements are made using a spectrum analyzer and or an EMI receiver and a suitable measuring antenna.
  • EMI (Electromagnetic Interference) is also called RFI (Radio Frequency Interference).
  • Conducted RFI is unwanted high frequencies that ride on the AC wave form. Radiated RFI is emitted through the air. There are many pieces of equipment that can generate RFI, variable frequency drives included.
  • The internal circuits of personal computers generate EM fields in the RF range.
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Can someone please help with one? I will mark brainlest!!!
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I want to say that it is data authenticity?

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Hope I could help! :)

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