Week 16 AS Level Assembly Language

The relationship between assembly language and machine code is that assembly language is a ________ representation of machine code.

• high-level

• low-level

• symbolic

• graphical

What is a single operation performed by a CPU called?

• A single operation performed by a CPU is called an instruction.

• A single operation performed by a CPU is called a cycle.

• A single operation performed by a CPU is called a process.

• A single operation performed by a CPU is called a task.

What is a low-level chip/machine specific programming language that uses mnemonics?

• Assembly language

• Python

• Java

• C++

Match the following assembly language mnemonics with their corresponding machine code hexadecimal:

• 0140

• STO Total

• 0340

• LDD Total

• 0214

• ADD 20

Before a program written in assembly language can be executed, it needs to be translated into ________.

• machine code

• source code

• bytecode

• high-level language

What is the main function of a single pass assembler?

What is placed in the symbol table during Pass 1?

• What is placed in the symbol table during Pass 1?

• Machine code

• Object code

• Source code

What is the first step in Pass 2 of the assembly process?

What is the final step in Pass 2 of the assembly process?

What is the function of the LDI opcode?

• Loads an immediate value into a register

• Stores a register value into memory

• Performs a bitwise AND operation

• Jumps to a specified address