ITM 100 Lecture : Lecture - Chapter 2

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 100
• Professor: Ron Babin

Document Summary

All it devices are limited to the following capabilities: hardware: the electronic and mechanical components you can see and touch. software: the set of instructions that direct the hardware. network technology: increases the power of it by allowing the sharing of resources. processing: directs execution of instructions and the transformation of data. memory: temporarily stores data and instructions before and after processing. input: provides the interface used for data entry into a device. output: provides the interface to retrieve information from a device. storage: stores data, information, and instructions for the long term. communications: connects one it device to another. there are two types of memory: long-term memory (rom) and short-term memory (ram) both types of memory are stored on memory chips. both are measured in number of bytes stored: read only memory (rom) contains instructions that are not meant to be changed, or changed infrequently.