Computer Basic Information Which is not necessary when using bar codes in supermarkets? Check digit on the bar code Price on the shelf Point-of sale (POS) terminal Price on the goods None of these Check digit on the bar code Price on the shelf Point-of sale (POS) terminal Price on the goods None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which part of computer performs functions similar to the cerebrums of the above cardiac and nervous system of a human body. None of these ALU Control unit CPU Input device None of these ALU Control unit CPU Input device ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is Accumulator Buffer Memory Address Accumulator Buffer Memory Address ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Computer Operators Write computer programs for specific problems None of these Normally require a college degree in computer science Operate the devices which input and output data from the computer All of these Write computer programs for specific problems None of these Normally require a college degree in computer science Operate the devices which input and output data from the computer All of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Computer scientists are exploring the possibility of culturing bacteria to create living chips which have digital electronic properties. What are these chips called? bacterial chips None of these neural chips natural chips biochips bacterial chips None of these neural chips natural chips biochips ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information When was the first e-mail sent? 1963 1969 1971 1974 1963 1969 1971 1974 ANSWER DOWNLOAD EXAMIANS APP
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