Unit 5 - Assembly Language

Low-level code using mnemonics converted by an assembler

• Assembly Language

• High Level Language

Low-level code using mnemonics converted by an assembler

Select all correct statements about assembly language

• It is more complex for humans to understand than high level language

• It is slower for computers to process than machine code

• It is simpler for humans to understand than high level language

• It is faster for computers to process than machine code

Select the correct description of the assembly language code below:

LDR R1, 300

• Load contents of memory location 300 into register 1

• Load contents of register 1 into memory location 300

Select the correct description of the assembly language code below:

MOV R2, R1

• Copy contents of register 1 into register 2

• Copy contents of register 2 into register 1

Select the correct description of the assembly language code below:

SUB R3, R2, #5

• Subtract the value 5 from register 2 and store the result in register 3

• Subtract the value 5 from register 3 and store the result in register 2

• Subtract the value stored in register 2 from the value 5 and store the result in register 3

Which type of addressing is being used by the code statement below?

ADD R2, R1, #200

• Immediate

• Direct

Which type of addressing is being used by the code statement below?

MOV R5, 120

• Immediate

• Direct

You will have to memorise the table of assembly code commands for your exam

• True

• False

The exam paper will provide you with a table containing the required assembly code commands

• True

• False