Answer:
"The question mark quantifier "?" will match the preceding element exactly one time" is the correct answer to the given question .
Explanation:
The Quantifiers are defined as it determine how the several occurrences of a set of symbols, categories, or the characters should be found throughout the input to searching the matches.
- The * quantifier in the regular expression corresponds the zero or more then zero to the previous item. it is represented by {0,} quantifier
- The + quantifier in the regular expression appears to fit in one or more times with the previous item. it equates with {1} quantifier.
- The? Quantifier in regular expression compares zero or once of a previous item. It equates with {0,1}.
- All the option are true regarding regular expression quantifiers so these option are incorrect according to the question
True
Explanation:
Tables and spreadsheets can only be inserted into slides with blank layout. Once a table or spreadsheet has been inserted into a slide it's formatting cannot be changed.
The GPS device in an automobile uses the satellite communication channel. GPS stands for Global Positioning System. It is based on the satellite navigation system that consists of a number of satellites. This is being used to loacate places and determine exact location, time and speed.
Answer:
copy and paste is alternate
Answer:
True
Explanation:
Rootkits are malicious software that allows an unauthorized user to access a computer and restricted areas of software. Rootkits are difficult to detect on your computer because it may be able to subvert there that is intended to find it. Rootkits are created by Black-hat hackers to attack your computer and steal.
Rootkit tools:
1. Keyloggers
2. antivirus disablers
3. password stealers
4. banking credential stealers
5. bots for DDoS attacks
