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Hardware Basics 0036
Chapter 2 Material
Question | Answer |
---|---|
What is Random Access Memory (RAM)? | Temporary memory that is designed to hold new data and is available only while the computer is turned on. |
How many bytes are in a Kilobyte? | 1,024 bytes or approximately 1,024 keyboard characters of information. |
This is being implemented as an alternative to chalkboards and whiteboards in classrooms. | Interactive whiteboards and other SMART technologies |
How is monitor size measured? | Diagonally from corner to corner on the screen. |
How is the resolution on a monitor screen measured? | it is measured in single colored squared called pixels. |
What is the difference between ink jet printers and laser printers? | Ink jet printers squirt small amounts of ink onto the paper, and laser printers affix the toner directly to the paper via a laser. |
What is ROM? | it is used to store the instructions that are installed or programmed at the manufacturer. |
Approximately how much information can a CD-ROM store? | It can store approximately 650 MB of information. |
What are the advantages of Blu-ray discs? | They can store more information than DVD discs and is used for high definition video and audio. |
What is a screen magnifier used for? | It is used for people who need low-level magnification to see the screen on the computer. |
What is a braille translator used for? | It is a device that converts text into Braille for the blind. |
This is a handheld device that resembles a TV remote that allows students to respond to questions posed by the instructor. | This is a classroom response system referred to as a clicker. |
What does LCD and CRT stand for? | LCD is liquid crystal display and CRT is cathode ray tube. |
What is the difference in measuring an LCD screen and a CRT screen? | CRT is measured including the casing around the screen and LCD is just measured by the screen. |
How is the resolution of a printer measured? | The resolution is measured in dots per inch (dpi). |