The contents of RAM location 20H and CY are 00H and 1. After execution of following 2 instructions “ORL C, 00H” and “MOV 00H, C”, the contents of internal RAM address 20H will be ( )
A. 00H
B. 01H
C. 20H
D. FFH
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Which of the following SFRs is bit-addressable? ( )
A. SP
B. P2
C. TMOD
D. SBUF
Bit-addressable locations of the 8051 include( )
A. 16 internal RAM bytes
B. majority of SFRs
C. I/O ports
D. 16 internal RAM bytes, I/O ports and majority of SFRs
The 8051 has bit-level instructions for ( )
AND
B. OR
C. complement
D. AND, OR and complement
Which of the following instruction is not a bit-processing instruction? ( )
A. CLR C
B. CLR A
CPL 10H
D. CLR 20H
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