Q. The use of parity bit is for
✅ Correct Answer: (C)
error-detection
Computer Awareness MCQs and Notes
Q. The hexadecimal number system has a base of
✅ Correct Answer: (D)
16
Q. Document reader is
✅ Correct Answer: (A)
An optical input device used to read documents
Q. Disk operating system is referred for
✅ Correct Answer: (C)
Both A & B
Q. A flat, circular plate coated with a magnetic material on which data can be stored by magnetization of portions of the flat surface is
✅ Correct Answer: (A)
Disk
Q. Digitizer is an input device
✅ Correct Answer: (A)
Used to convert graphic and pictorial data into binary inputs for a digital computer
Q. Automatic execution of high-priority computer programs that have been designed to pre- empt the use of computer resources is referred as
✅ Correct Answer: (A)
Foreground processing
Q. The time period during which a computer is malfunctioning or not operating correctly due to machine failures is referred as
✅ Correct Answer: (A)
Downtime
Q. The speed at which data is transferred from the main memory to another medium on which data are recorded is referred as
✅ Correct Answer: (A)
Data transfer rate
Q. The term DBMS is referred to
✅ Correct Answer: (C)
Both A & B are true