The altering of data so that it is not usable unless the changes are undone is……….

Related MCQs

• Character readers are those devices which read the characters printed on the source documents and then convert them directly into computer-usable input.
• Any storage device added to a computer beyond the immediately usable main storage is known as
• A disk with usable recording surfaces on each side is known as
• ………….hard drives are permanently located inside the system unit and are not designed to be removed, unless they need to be repaired or replaced.
• When data changes in multiple lists and all lists are not updated, this causes……….
• A certain computer hardware component does not process the data itself but acts as a central nervous system for other data manipulating components. What is it called?
• Database…………..are primarily used to enter new records and to make changes to existing records.
• A hacker that changes or forges information in an electronic resource, is engaging in………
• Which type of RAM works like a series of small switches? (Once a switch is set to ON, it says on until the computer changes it)
• Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?