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- 1. Multiple Choice
What mode of addressing is shown in the image?
Immediate Addressing
Direct Addressing
Indirect Addressing
Index Addressing
- 2. Multiple Choice
What mode of addressing is shown in the image?
Immediate Addressing
Direct Addressing
Indirect Addressing
Index Addressing
- 3. Multiple Choice
Which of the following best describes immediate addressing?
The operand of an instruction refers directly to a location in memory.
The address of the data is held in an intermediate location so that the address is first ‘looked up’ and then used to locate the data itself.
The data to be used is hard-coded into the instruction itself.
The final address for the data is determined by adding an offset to a base address.
- 4. Multiple Choice
A machine code instruction is shown here. Which part of the instruction represents the OPERAND?
Part A
Part B
Part C
Part D
- 5. Multiple Choice
Which of following would be result of this assembly language instruction?
LDA #7
Load the accumulator with 7
Load the accumulator with the contents of memory location 7
Add 7 to the accumulator and retrieve the data from that address
Go the memory location 7 and retrieve the data from the memory location stored there
- 6. Multiple Choice
Which of following would be result of this assembly language instruction?
LDA [100]
Load the accumulator with 100
Load the accumulator with the contents of memory location 100
Add 100 to the accumulator and retrieve the data from that address
Go the memory location 100 and retrieve the data from the memory location stored there
- 7. Multiple Choice
Which of following would be the result of this assembly language instruction?
LDA &100
Load the accumulator with 100
Load the accumulator with the contents of memory location 100
Add 100 to the accumulator and retrieve the data from that address
Go the memory location 100 and retrieve the data from the memory location stored there
- 8. Multiple Choice
What would be result of the following assembly language instruction? LDA 1002,[2]
1004
50
90
1000
- 9. Multiple Choice
Which of the following statements are NOT correct? (select as many as appropriate)
Direct Addressing is the fastest mode of addressing
Indexed Addressing is ideal for using with arrays
Immediate Addressing returns the address where the data is stored
Indirect Addressing is ideal for loading pre-generated libraries and procedures
- 10. Multiple Choice
What mode of addressing is shown in the following assembly language instruction:
MOV B, @2001
Immediate
Direct
Indexed
Indirect
- 11. Multiple Choice
Look at the image shown here. How many of the following statements about the image are NOT correct? (select as many as appropriate)
The image represents DIRECT ADDRESSING
LDA &6 would load 85 into the accumulator
LDA &6 would load 6 into the accumulator
The image represents IMMEDIATE ADDRESSING
- 12. Multiple Choice
Which statements below are TRUE?
IMMEDIATE ADDRESSING is the fastest form of addressing
IMMEDIATE ADDRESSING is suited to the use of constants
IMMEDIATE ADDRESSING is suited to the use of variables
Using IMMEDIATE ADDRESSING means that the data needs to be fetched from memory
- 13. Multiple Choice
Choose the correct word to complete this sentence: "The _______ consists of binary digits representing a basic operation such as ADD or LOAD"
Operand
Opcode
Vector
Address
- 14. Multiple Choice
Choose the correct word to complete this sentence: "Using ________ addressing, the operand holds the memory address of the value to be operated on"
Immediate
Direct
Indexed
Indirect
- 15. Multiple Choice
Choose the correct word to complete this sentence: "Using ________ addressing, the operand is the location (typically a register) which holds the address of the data we want"
Immediate
Direct
Indexed
Indirect
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