Hexadecimal numbers

The different types of programming languages are:

1. High level languages

2. Machine codes

3. Assemblylanguages

4. Binary codes

What is the correct arrangement of programming languages in the order of understandability to humans?

• 4, 3, 2, 1

• 1, 2, 3, 4

• 1, 3, 2, 4

• 4, 2, 3, 1

Machine codes are written in what form?

• Binary or hexadecimal

• Opcodes such as ADD, MOV, SUB, etc.

• Mnemonics

• Binary only

Which of the following is easily understandable by computer?

• Machine code

• Assembly language

• Both A and B

Which type of programming language uses codes such as ADD, MOV and DEL?

• High level programming language

• Assembly language

• Machine code

Consider the instruction: ADD AX, 08h. What is the opcode?

• ADD

• AX, 08h

• 08h

• AX

Which of the following is NOT a register?

• Accumulator

• Program counter

• MAR

• Mnemonic

Which of the following register performs the calculations and stores the result?

• Accumulator

• Program counter

• MAR

• Mnemonic

In which of the following instruction operands are not specified?

• DAT

• STA

• INP

• ADD

Where is the input from the user stored first when the instruction INP is used?

• Accumulator

• Memory location

• Variable

What is the function of instruction DAT?

• Stores variable in the memory location

• Labels the current memory location

• Copies data to a register

• Moves data from one register to another