Computer Basic Information What is the shortcut key to "Undo" the last action in a document? Ctrl + X Ctrl + Y Ctrl + U None of these Ctrl + Z Ctrl + X Ctrl + Y Ctrl + U None of these Ctrl + Z ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A device designed to read information encoded into a small plastic card is Card puncher Tape puncher Magnetic tape None of these Badge reader Card puncher Tape puncher Magnetic tape None of these Badge reader ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Where does a computer add and compare data? None of these Floppy disk Hard disk Memory chip CPU chip None of these Floppy disk Hard disk Memory chip CPU chip ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information WAV file format is associated with what type of files? Video Sound Word Document None of these Image Video Sound Word Document None of these Image ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A device that transmits messages in verbal form is Audit trail Audio response unit Magnetic tape None of these Card punch Audit trail Audio response unit Magnetic tape None of these Card punch ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Hardware or software designed to guard against unauthorized access to a computer network is known as a(n): Encryption safe wall Hacker-resistant server Hacker-proof program Firewall Encryption safe wall Hacker-resistant server Hacker-proof program Firewall ANSWER DOWNLOAD EXAMIANS APP
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