Computer Basic Information Which is not necessary when using bar codes in supermarkets? Check digit on the bar code Point-of sale (POS) terminal Price on the shelf Price on the goods None of these Check digit on the bar code Point-of sale (POS) terminal Price on the shelf Price on the goods None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Perforated paper used as input or output media is known as Magnetic tape Paper tape Card punch None of these Punched paper tape Magnetic tape Paper tape Card punch None of these Punched paper tape ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information An electronic logic gate whose output is logic 0 only when all inputs are logic 1 is NAND None of these OR NOR NOT NAND None of these OR NOR NOT ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information One nibble is equal to 4 bits 6 bits 16 bits None of these 8 bits 4 bits 6 bits 16 bits None of these 8 bits ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following is the coding of data so that is can't be easily understood if intercepted. Decoder Encryption None of these Barcode Mnemonics Decoder Encryption None of these Barcode Mnemonics ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information In which year were chips used inside the computer for the first time? None of these 1975 1977 1981 1964 None of these 1975 1977 1981 1964 ANSWER DOWNLOAD EXAMIANS APP
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