Computer Basic Information Communication between computers using standard telephone service Requires a change to an anolog signal Produces little noise and few disturbances Is most efficient All of these None of these Requires a change to an anolog signal Produces little noise and few disturbances Is most efficient All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information In a punched card system, data is processed by a keypunch machine, sorter, and posting machine accounting machine, keypunch machine, and sorter None of these accounting machine, posting machine, and billing machine sorter, posting machine, and billing machine keypunch machine, sorter, and posting machine accounting machine, keypunch machine, and sorter None of these accounting machine, posting machine, and billing machine sorter, posting machine, and billing machine ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The most commonly used standard data code to represent alphabetical, numerical and punctuation characters used in Electronic Data Processing system is called BCD All of these ASCII None of these EBCDII BCD All of these ASCII None of these EBCDII ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information What is the most common tool used to restrict access to a computer system? Computer keys User log in Access-control software Passwords Computer keys User log in Access-control software Passwords ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The most popular language used with microcomputers and time-shared mini computers, is an easy-to-use high level language. COBOL PASCAL BASIC ADA None of these COBOL PASCAL BASIC ADA None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A beam of light used to record and retrieve data on optical disks is known as unpolarized concentric light coloured light None of these laser polarized light unpolarized concentric light coloured light None of these laser polarized light ANSWER DOWNLOAD EXAMIANS APP
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