MoyS11Wk4H1 - Standard Code for Information Interchange...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
MoyS11Wk4H1 1. Name the four operations comprising a machine cycle. Explain them briefly. (7 points) The four operations that are repeated are: 1. Fetching, when the program instruction/data is accessed from the memory. 2. Decoding, when the program is translated into a message that the computer can use. 3. Executing, carrying out the decoded commands. 4. Storing, when the program is written to memory. 2. What is a multi-core processor? In what situation does the performance of a multi- core processor increase? (7 points) A multi-core processor is a single chip with two or more separate processors. A situation where performance increases is when multiple programs are running at the same time. Some programs include, Photoshop, antivirus software, and instant message. 3. What are the coding schemes used for data representation? What is the significance of Unicode? (7 points) Coding schemes are the combinations of 0s and 1s that represent characters. The two most popular coding schemes are the American
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Standard Code for Information Interchange (ASSCII) and the Extended Binary Coded Decimal Interchange Code (EBCDIC). The Unicode is important because it has the ability to represent all languages, unlike ASSCII and EBCDIC 4. What are the various types of removable flash memory devices? Explain them briefly. (7 points) Flash Memory Cards, USB Flash Drives, PC Cards/ ExpressCard Modules. A Flash Memory Card is a small device that is removable via a slot within the computer. Popular forms of Flash Memory Card are the ones used for digital cameras and smart phones. A USB Flash Drive plugs into plugs directly into the USB port. A PC Card or Express Card Module is a very thin, and small removable flash memory device. Today its used specifically for notebook users to be able to use the wireless Internet. An ExpressCard module which is a type of PC Card benefits the computer by adding memory, communications, multimedia and security....
View Full Document

This note was uploaded on 09/05/2011 for the course COMP SI 103 taught by Professor Staff during the Spring '10 term at Iowa State.

Page1 / 2

MoyS11Wk4H1 - Standard Code for Information Interchange...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online