Computer Basic Information Which is not necessary when using bar codes in supermarkets? Point-of sale (POS) terminal Check digit on the bar code Price on the shelf None of these Price on the goods Point-of sale (POS) terminal Check digit on the bar code Price on the shelf None of these Price on the goods ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following is NOT an advantage of open-source operating systems over proprietary versions? None of these Free use and distribution Ability to modify code Availability of source code Availability of technical support None of these Free use and distribution Ability to modify code Availability of source code Availability of technical support ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Communication that involves computers, establishing a link through the telephone system is called None of these Teleprocessing All of these Telecommunications Microprocessing None of these Teleprocessing All of these Telecommunications Microprocessing ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A result of a computer virus can not lead to ...... Mother Board Crash Disk Crash None of these Corruption of program Deletion of files Mother Board Crash Disk Crash None of these Corruption of program Deletion of files ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following is true concerning personal computers? They have been most successful in the home The electronic spreadsheet has been a primary reason for their popularity They decrease the demand for mainframe computers None of these Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes They have been most successful in the home The electronic spreadsheet has been a primary reason for their popularity They decrease the demand for mainframe computers None of these Their future is not so bright owning to the improved cost-performance ratio of minis and mainframes ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The first mechanical calculator was invented in 1972 1958 1658 None of these 1642 1972 1958 1658 None of these 1642 ANSWER DOWNLOAD EXAMIANS APP
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