Computer Hardware and Software, What is hardware? What is software? types of software. System software, Application software, free and open source, paid and propriety software,
27. Pedagogy of Physical Science (Part II ) - Hardware and software
1. Pedagogy of Physical
Science – Part II
By
Dr. I. Uma Maheswari
Principal
Peniel Rural College of Education, Vemparali, Dindigul District
iuma_maheswari@yahoo.co.in