Computer Basic Information Which is not necessary when using bar codes in supermarkets? Check digit on the bar code None of these Price on the goods Price on the shelf Point-of sale (POS) terminal Check digit on the bar code None of these Price on the goods Price on the shelf Point-of sale (POS) terminal ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following terminals' output most closely resembles the output produced by a plotter? hardcopy terminal POS terminal graphics terminal None of these All listed here hardcopy terminal POS terminal graphics terminal None of these All listed here ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following is directry controlled from a keyboard. Card punch Magnetic tape None of these Punched paper tape Magnetic disk Card punch Magnetic tape None of these Punched paper tape Magnetic disk ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information A disk with usable recording surfaces on each side is known as Double-sided disk High capacity None of these Hard disk Single-sided disk Double-sided disk High capacity None of these Hard disk Single-sided disk ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information What is backup? Protecting data by copying it from the original source to a different destination None of these Accessing data on tape Filtering old data from the new data Adding more components to your network Protecting data by copying it from the original source to a different destination None of these Accessing data on tape Filtering old data from the new data Adding more components to your network ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following are the building blocks of all the circuits in a computer. None of these Logical Operators Logic gates Circuit switch Instructions None of these Logical Operators Logic gates Circuit switch Instructions ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS