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in JAVA by
Q:
In character stream I/O, a single read/write operation performs _____.

a) Two bytes read/write at a time.

b) Eight bytes read/write at a time.

c) One byte read/write at a time.

d) Five bytes read/ write at a time.

1 Answer

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(a) Two bytes read/write at a time.

Reason: There are two types of I/O stream. One is a byte stream, and the other is the character stream. The Byte stream is used to perform input or output 8-bit (equals to 1 byte) Unicode bytes whereas, the Character stream is used to read or write a 16-bit (equals to 2 bytes) Unicode character.

Therefore, a single operation of character stream performs two bytes read/ write at a time.

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