NT1310 Unit 9 Assignment 1 Transmitters LED Transmitter LEDs have a much lower power output than lasers and LED’s have a larger light output pattern. Which makes it harder to couple into fiber limiting the LED to be used with multimode fibers, LEDs have less bandwidth than a laser and are limited to operate up to about 250MHz or around 200Mbs. With the way LEDs are fabricated they are cheaper to make than lasers, they contain no hazardous material and can last up to 10,000 hours. LEDs have a very small broad output which causes them to suffer chromatic dispersion in fiber. The bulbs create less heat during use, which can lead to lower cooling costs and its green friendly, decreases amount of energy used by 5%.
The speeds have increased and the noise has been reduced it also went from analog to digital. With technological advancement over the years, it now uses flash memory, which is a form of EEPROM instead of chips. The size of the CMOS memory changes on how it is set. It either can be added or reduced from the computer. However, these changes cause the computer to report a memory size mismatch.
Explain how technological innovations have contributed to a ‘shrinking world’ for many people (10 marks) Advancements in technology have essentially reduced the amount of time it takes to contact someone on the other side of the world. An example of this is the introduction of the world wide web/internet, where emails allowed people to almost instantly contact people who may be Australia. The introduction of emails in 1989 allowed people to contact others wirelessly and not have to be within a certain physical distance, making it an incredibly efficient system. Furthermore, viewing TV on the news has led to some sort of time – space compression for many people, in the sense that again, we do not have to be within a certain physical distance in order to experience how a certain culture may be or to gain updates on world activities almost instantly. This inter – connectivity has led to some people arguing that this has led to a shrinking world through communication.
Unit 7 Research Paper 1: CMOS How has CMOS memory changed over the years? CMOS really hasn’t changed very much from what I could find on the internet… Mainly the speeds have increased and the noise has been reduced it also went from analog to digital. Originally, the IBM PC only used of a small portion of CMOS memory and the balance of the 64 bytes were left undefined. Once other manufacturers cloned the AT form factor it wasn’t long that other areas of the CMOS was used by various BIOS manufacturers for such user-selectable options as memory wait states, memory type, initial boot drive selection, boot-up clock speed, hard drive interface type, green options, shadow RAM options, cache options, and password protection of the CMOS contents. It still uses a small battery incase there is a power outage and still uses volatile RAM.
Soon after the invention caught on, the tin foil was replaced by cylindrical cardboard coated in wax, and eventually vinyl which of course is still used today. The gramophone was invented in 1887 by a German immigrant named Emile Berliner, and while it was based on the same concept of Edisons phonograph, Berliners invention was the first to record sound and play it
A VPN. 5. What is the difference between MD5sum and SHA1sum hashing calculations? Which is better and why? One of the big differences is that MD5 uses 128bit and SHA1 160bit for the length, this makes it stronger but slower to generate.
Therefore frame relay is less expensive and upgrading is easier. 3. Technological advances are only one of many factors that play into how technology infrastructure develops. The social decision to break-up AT&T had a significant impact on the telephone infrastructure. Describe how the infrastructure
In today's world, MAC is becoming more of a trend among people, they are cool and fast machines. MAC is a great computer, if you can afford them. Macs are extremely expensive, and you can honestly do less with them. You get more bang for your buck choosing a PC, and they are less expensive. With PC, you have a better gaming computer, video and audio editing, and 3D editing.
My generation in comparison to the WW II generation, has changed drastically. For example, my generation has an easier way of communication that is easier than the World War II generation. We take this simple communication for granted, whereas communication during World War II wasn't as simple as just pushing buttons to spell out words, or having your "top 5" appear when you pull out your cell phone. We are also more technologically advanced and technologically educated. In 1945, computers and cell phones weren't anywhere.
Electronic cigarettes are more cost effective than regular cigarettes and Electronic cigarettes are safer than combustion cigarettes because electronic cigarettes do not have all of the carcinogenic chemicals that a regular cigarette has. I believe that electronic cigarettes can and