Computer Basic Information Which is not necessary when using bar codes in supermarkets? None of these Point-of sale (POS) terminal Check digit on the bar code Price on the shelf Price on the goods None of these Point-of sale (POS) terminal Check digit on the bar code Price on the shelf Price on the goods ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information If you see a diskette with a piece of foil covering its notch, it is said to be write-enabled copy-protected foil-covered write-protected None of these write-enabled copy-protected foil-covered write-protected None of these ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as Punched card Touch pad Punched paper tape None of these Magnetic disk Punched card Touch pad Punched paper tape None of these Magnetic disk ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Loading Operating System onto RAM is called? Booting Saving None of these Starting Printing Booting Saving None of these Starting Printing ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information The central processor of a modern digital computer consists of All of these primary memory control unit None of these control unit and primary memory All of these primary memory control unit None of these control unit and primary memory ANSWER DOWNLOAD EXAMIANS APP
Computer Basic Information Which of the following is not an advantage of magnetic disk storage? All of these Disk storage is less expensive than tape storage Disk storage is longer lasting than magnetic tape The access time of magnetic disk is much less than that of magnetic tape None of these All of these Disk storage is less expensive than tape storage Disk storage is longer lasting than magnetic tape The access time of magnetic disk is much less than that of magnetic tape None of these ANSWER DOWNLOAD EXAMIANS APP
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