Home » Computer Science » Computer Fundamentals
41. 

An AND gate
A. implements logic addition
B. is equivalent to a series switching circuit
C. is an any or all gate
D. is equivalent to a parallel switching circuit
E. None of the above
42. 

The daily processing of corrections to customer accounts best exemplifies the processing mode of:
A. Batch processing
B. Real-time processing
C. Time-sharing
D. Offline processing
E. None of the above
43. 

Which of the following devices can be used to directly input printed text?
A. OCR
B. OMR
C. MICR
D. All of the above
E. None of the above
44. 

To locate a data item for storage is
A. Field
B. Feed
C. Database
D. Fetch
E. None of the above
45. 

Which of the following memory is capable of operating at electronics speed?
A. Semiconductor memory
B. Magnetic disks
C. Magnetic drums
D. Magnetic tapes
E. None of the above