41. Which of the following is the coding of data so that is can’t be easily understood if intercepted.
A. Barcode
B. Decoder
C. Encryption
D. Mnemonics
E. None of the above
42. RAM is used as a short memory because it is
A. Volatile
B. Has small capacity
C. Is very expensive
D. Is programmable
E. None of the above
43. A modern electronic computer is a machine that is meant for
A. Doing quick mathematical calculations
B. Input storage, manipulation of outputting of data
C. Electronic data processing
D. Performing repetitive tasks accurately
E. None of the above
44. Which is a device that changes information into digital form?
A. Modem
B. Digitizer
C. Mouse
D. Light pen
E. None of the above
45. An index register that is automatically incremented or decremented with each use is
A. Auto index
B. Asynchronous
C. Assembler
D. Compiler
E. None of the above