Computer Basic Information Which is not necessary when using bar codes in supermarkets? Point-of sale (POS) terminal None of these Check digit on the bar code Price on the shelf Price on the goods Point-of sale (POS) terminal None of these Check digit on the bar code Price on the shelf Price on the goods ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A wireless network uses .......... waves to transmit signals. Mechanical None of these Magnetic Sound Radio Mechanical None of these Magnetic Sound Radio ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The storage locations in the internal storage of a CPU are called contents addresses locations mask None of these contents addresses locations mask None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information What does a system bus do? carries out instructions stores data and instructions None of these connects various components within the computer allows the user to communicate with the computer carries out instructions stores data and instructions None of these connects various components within the computer allows the user to communicate with the computer ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information When used with I/O devices, the term intelligent implies feature to support offline and online tasks None of these speech processing capability a color output capability high speed printing capability feature to support offline and online tasks None of these speech processing capability a color output capability high speed printing capability ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The number of records contained within a block of data on magnetic tape is defined by the blocking factor block definition None of these record per block factor record contain clause blocking factor block definition None of these record per block factor record contain clause ANSWER DOWNLOAD EXAMIANS APP
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