MICROCONTROLLER AND EMBEDDED SYSTEM SET-6

1. True or false. No value can be moved directly into registers RO - R7.

1. True
2. False

2. The vast majority of registers in 8051 are _____ bits.

1. 2
2. 4
3. 8
4. 16

3. True or false. Assembler directives are not used by the CPU itself. They are simply a guide to the assembler.

1. True
2. False

4. Which of the following files is produced by an 8051 assembler ? (a) myprog.asm (b),myprog.obj (c) myprog.hex (d) myprog.lst

1. (b)
2. (d)
3. Both (b) and (d)
4. (c)

5. Which of the following files lists syntax errors? (a) myprog.asm (b) myprog.obj (c) myprog.hex (d) myprog.lst

1. (a)
2. (d)
3. (a)
4. (c)