Answer: I believe it’s D.
Explanation: Less developed countries may not be able to afford the new technology, while more developed ones will be able to do so. Meaning the less developed countries will most likely not change.
Data availability is the one related to the server being down.
Answer:
The matrix theory is used by hill cipher.
Explanation:
Th technique which uses matrix theory is hill cipher technique.
Hill cipher technique is a polygraphic substitution cipher and it is based on linear algebra.
For encrypting a message in Hill Cipher technique each block of n letters is multiplied by an invertible matrix of nxn and that to against modulus 26 and for the decryption of the message, every block is multiplied by the inverse of the matrix that was used for encryption.
Answer:
Incremental technique is the way in which software is built and delivered in pieces. The concept is to keep the client and developer on same page and the client is known as a non tech person, so he should be given software in piece by piece to avoid any confusion and sudden change.
Agile method is the best example of this technique in which steps are defined on contract basis and the software is delivered and build by pieces to keep client and developer on same page.
