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Computer Science Principles AP- Unit 1 Terms
Terms in this set (38)
Use natural language to communicate a set of instructions
Generalized, conceptual step by step solution to a problem
Able to be clearly understood
Level of accuracy and exactness
Visual representation of the structure and organization of algorithms
Each step of an algorithm follows the previous step.
Conditional situation where an algorithm decides which sequence of instructions to execute
Completion and repetition of a sequence
Protect and secure information by rendering the information unreadable and then readable again using a strategy
Measures taken to protect a computer or computer system from unauthorized access or attack
Ability to limit access to information to a certain set of users
Certainty that information is correct
Reliability of access to information
Distributed Denial of Service Attack (DDoS)
Multiple computers infected with malware
A statement's meaning is open to interpretation
Language that contains a more simplified and tighter structure than natural language; can be complex; characterized by their textual nature
High Level Language
Well suited for human communication; complex and contain a high degree of abstraction
Low Level Language
Optimized for machines; characterized by their discrete logic and highly structure circuitry
Reasonable, approximate solution to a complex or unreasonable problem
Expression that evaluates to true or false
substitution cipher where each letter in the original message (called the plaintext) is replaced with a letter corresponding to a certain number of letters up or down in the alphabet.
Secure Sockets Layer
A website sends you an unlocked lock, then you send it back with information in a locked lock, and the website has the key to view that information
Repeat an action a specific number of times
Psychological manipulation of people into performing actions or divulging confidential information
Masquerade as an official representation of an organization to ask demand for confidential information.
Computer problem than can or cannot be solved by a computer program
How well an algorithm performs as the algorithm is performed a greater number of times
The number of transistors that can fit on a chip roughly doubles every 1-2 years until it is no longer possible
Language that has developed and is used naturally
the science and study of cryptanalysis and cryptography.
text that is not written in code
is a method of encrypting alphabetic text by using a series of interwoven Caesar ciphers based on the letters of a keyword.
Confidentiality, integrity and availability
A search in which each element is examined
in order from beginning of the list to the end of the list.
Search a sorted list by repeatedly dividing the search interval in half
a unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network
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