Computer Basic Information What is the most common tool used to restrict access to a computer system? Access-control software Computer keys User log in Passwords Access-control software Computer keys User log in Passwords ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A code which uses more bits for each character then what is necessary is known as Gray code None of these Mnemonics Redundant code Hollerith code Gray code None of these Mnemonics Redundant code Hollerith code ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information An error in computer data is called None of these Bug Bit Chip Byte None of these Bug Bit Chip Byte ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information If you want to secure a message, use a(n): Cryptology source Cryptosystem Encryption key Encryption software package Cryptology source Cryptosystem Encryption key Encryption software package ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A file containing relatively permanent data is Random file None of these Sequential file Master file Transaction file Random file None of these Sequential file Master file Transaction file ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A magnetic tape volume that is used on a data processing operation without any change to its contents is None of these Punched paper tape Card reader Magnetic disk Master tape None of these Punched paper tape Card reader Magnetic disk Master tape ANSWER DOWNLOAD EXAMIANS APP