... wires. That dream became reality in 1901 when Gugliellmo Marconi and two assistants stood on a hill in Newfoundland and listened carefully to their receiver. Faintly they heard the Morse code "dot-dot-dot," the letter s. The signal had traveled 1,700 miles from Cornwall, England, and it represented the first successful wireless transmission. This success led Marconi to form Marconi Wireless Telegraphy Company. It ... ...

• Word Count: 1481
• Approx Pages: 6
• Grade Level: Undergraduate

... make it fit onto the screen. Much consideration goes into picking the right monitor. First look at a monitors actual display size. Also notice its dot pitch. The lower a monitors dot pitch, the more detailed and precise the display. Dot pitch is the distance between displayed pixels. The refresh rate refers to the number of times your display adapter refreshes the images on the ... ...

• Word Count: 5237
• Approx Pages: 21
• Grade Level: High School

... technologies. • Cable technology - VGA and DVI are the two most common. • Viewable area (usually measured diagonally) • Aspect ratio and orientation (landscape or portrait) • Maximum resolution • Dot pitch • Refresh rate • Color depth • Amount of power consumption Display Technology Displays have come a long way since the blinking green monitors in text-based computer systems of ... two main categories with several types in each: • Impact - These printers have a mechanism that touches the paper in order to create an image. There are two main impact technologies: o Dot ...

• Word Count: 2738
• Approx Pages: 11
• Grade Level: High School

... printers make an image on the paper by striking the paper hard with a metal or plastic mechanism. About ten years ago, this was the most common type printer, often called a dot matrix; because of the way, it printed the image. These printers are often noisy and offer low-resolution output. Non-impact printers are the most widely available today; these printers ... ...

• Word Count: 7384
• Approx Pages: 30
• Grade Level: High School

... them. This interaction is called input/output (I/O). A monitor is the key to translating a series of ones and zeros to pictures that we can understand. A monitor with higher resolution and a higher dot-pitch is going to put out better and higher quality pictures. Newer monitors are also coming in flat screen and flat panel versions as well as the traditional CRT style ... ...

• Word Count: 1918
• Approx Pages: 8
• Grade Level: High School

... :- 1. Very huge storage capability (virtually unlimited that is 100 + Giga Byte). 2. Laptop and Palmtop computers are built. 3. Artificial languages are developed. 4. Object oriented languages and packages are developed namely Java, C #, V.B. Dot Net etc. 5. Computers are used in Education, Entertainment, Marketing, Telemedicine, Communication, Robotics, Online shopping and many other fields. In fact today's computer has uncountable advantages. Types of computers There are ... ...

• Word Count: 1687
• Approx Pages: 7
• Grade Level: High School