The address bus is unidirectional because the address information is always given by the micro processoe to address a memory location of an input / output devices.
Oxfam International's is a UK based charity 'Commitment to Reducing Inequality (CRI) Index' ranks India in bottom 12 of its research. India ranks 147 among 157 countries in Inequality Index.
Ribosomes are the sites where proteins are synthesised. The transcription process where the code of the DNA is copied occurs in nucleus but the main process of translating that code to form other protein occurs in ribosomes.