Worksheets8051 test
Total questions: 10
Worksheet time: 5mins
8051 series of microcontrollers are made by which of the following companies?
Atmel
Philips
Atmel & Philips
None of the mentioned
8051 series has how many 16 bit registers?
128 bytes
256 bytes
256 bytes
512 bytes
8051 series has how many 16 bit registers?
2
3
1
0
How are the bits of the register PSW affected if we select Bank2 of 8051?
PSW.5=0 and PSW.4=1
PSW.2=0 and PSW.3=1
PSW.2=0 and PSW.3=1
PSW.3=0 and PSW.4=1
On power up, the 8051 uses which RAM locations for register R0- R7
00-2F
00-07
00-7F
00-0F
How many bytes of bit addressable memory is present in 8051 based microcontrollers?
8 bytes
32 bytes
16 bytes
128 bytes
8051 has (a) 16 bits timers/counters
The address space of the 8051 is divided into four distinct areas: internal data, external data, internal code, and external code.
True
False
Data transfer from I/O to external data memory can only be done with the MOVX command.
True
False
The 8051 can handle (a) interrupt sources.
