SD+&+D+Machine+Code

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 * Questions**

1. What is machine code?

2. Why do we use Hexadecimal?

3. Convert the following hexadecimal numbers to decimal: (a) 20 (b) 33 (c) A5 (d) FF (e) 01 (f) CD Check your answers using this [|hexadecimal to decimal converter].

4. Convert the following binary numbers to hexadecimal: (a) 10110010 (b) 00000010 (c) 10100010 (d) 11111110 Check your answers using this [|binary to hexadecimal converter].

5. What is assembly code?

6. What do we mean when we say that assembly code is architecture dependent.

7. What is an assembler program

8. State 2 advantages and 2 disadvantages of using assembly code.

9. Find 5 assembly code instructions for the 6502 processor. Say what each does.