Other

Question 1

Cloud Computing

Answer 1

The provision of information technology services over the Internet. These services may be provided by a company for its internal users in a “private cloud” or by third-party suppliers. The services can include software, infrastructure (i.e., servers), hosting and platforms (i.e., operating systems). Cloud computing has numerous applications, from personal webmail to corporate data storage, and can be subdivided into different types of service models.

Question 2

Blockchain

Answer 2

Shared database that cannot be changed and stores information in blocks linked together by cryptography, most commonly used as a ledger and in cryptocurrency. Typically, transactions are recorded in a decentralized and public database. Since the ledger in blockchain technology cannot be changed, it has become a popular choice for developing diverse applications, including ubiquitous computing. A simple example of combining blockchain with ubiquitous computing is having a smart fridge order milk and pay for it using blockchain technology without human intervention. NFTs, or non-fungible tokens, are unique and cannot be replaced. They use blockchain
technology, but are designed to provide a proof of ownership of the digital product itself.

Question 3

Defect

Answer 3

A flaw in the requirements, design or implementation that can lead to a fault.

Question 4

Fault

Answer 4

An incorrect step, process or data definition in a computer program.

Question 5

Error

Answer 5

The difference between a computed, observed or measured value or condition and the true, spedified or theoritically correct value or condition.

Question 6

Failure

Answer 6

The inability of a system or component to perform its required functions within specified performance requirements.