binary operations a,b

Modems - The 'modem' is a contraction of the term modulator-demodulator. It is a conversion that facilitates the transmission and reception of the data over the public switched telephone network (PSTN). The data of interest may be digital signals generated by computers or service providers. In such..

1. A sentence is called a statement if it can be adjudged as true or false. Every statement is a sentence, but a sentence may or may not be a statement. 2. A statement involving natural number n is generally denoted by P(n). 3. A binomial is an algebraic expression of two term..

Question: Kreb's cycle operates in ________. 1. cytoplasm 2. mitochondrial matrix 3. mitochondrial cristae 4. outside the cell Answer: ..

In 1961, two French microbiologists, Francois Jacob and Jacques Monod proposed a mechanism, called Operon Hypothesis , for the regulation of gene action in E. coli. It got them the Nobel Prize in 1965. fig. 23.1 - Francois Jacob and Jacques Monod with their Colleague They found that the addit..

Growth Regulators - The growth of plants is regulated by certain chemical substances, which are synthesized by the plant in very small quantities. These substances are formed in one tissue or organ of the plant and are then transported to other sites where they produce specific effects on growth an..

Conservation of wild life has three objectives a) To maintain essential ecological processes and life supporting systems. b) To preserve the diversity of species or the range of genetic material found in the world's organisms. c) To ensure sustainable utilisation of species and ecosystem..

Remember 'BODMAS', Do the various operations in the order given below: Open brackets from within and go outwards in the order: -, (), {} and lastly []. B 1 Brackets O 2 Of D 3 Division M 4 Multiplication A 5 Addition S 6 Subtracti..

There are digital circuits which either allow a signal to pass through or stop it. The circuits other wise called as gate allows the signal to pass only when some logical condition are satisfied. Under such condition the circuits are called logic gates. They are building blocks of any digital syste..

Al, Ga, In and Tl react with halogens to give binary halides. All the halides of group 13 elements are known except Tl(III) iodide. The fluorides are ionic and have high melting points. The chlorides, bromides and iodides are essentially covalent compounds with low melting points. The bo..

Types of Food Chains - There are mainly two types of food chains operating in nature. a) Grazing food chain b) Detritus food chain. Grazing food chain is generally seen in ecosystems such as grassland, pond or lake where a substantial part of the net primary production is grazed..