WorksheetsExploring 8085 and 8086 Microprocessors
Total questions: 15
Worksheet time: 11mins
What are the main components of the 8085 microprocessor architecture?
Registers, Cache Memory, Network Interface
Arithmetic Logic Unit, Memory Management Unit, Graphics Processing Unit
Control Unit, Hard Disk Drive, Power Supply
The main components of the 8085 microprocessor architecture are the ALU, registers, control unit, bus system, instruction decoder, clock generator, and interrupt system.
How many address lines does the 8086 microprocessor have?
20
32
16
24
Describe the function of the ALU in the 8085 microprocessor.
The ALU stores data in memory locations.
The ALU manages input and output operations.
The ALU controls the clock speed of the microprocessor.
The ALU performs arithmetic and logical operations in the 8085 microprocessor.
What is the maximum memory addressing capacity of the 8086 microprocessor?
512 KB
1 MB
2 MB
4 MB
List the types of registers found in the 8085 microprocessor.
General-purpose registers (A, B, C, D, E, H, L), Accumulator (A), Program Counter (PC), Stack Pointer (SP), and Status Register (Flags).
Instruction Register (IR)
Memory Address Register (MAR)
Data Register (DR)
What is the purpose of the segment registers in the 8086 microprocessor?
The purpose of segment registers in the 8086 microprocessor is to manage memory segmentation by holding the starting addresses of code, data, stack, and extra segments.
To manage input and output devices
To control the speed of the microprocessor
To store the results of arithmetic operations
Explain the role of the control unit in the 8085 architecture.
The control unit performs arithmetic operations directly.
The control unit manages the power supply to the processor.
The control unit stores data temporarily for processing.
The control unit directs the operation of the 8085 processor by fetching, decoding instructions, and generating control signals.
How does the instruction set of the 8085 differ from that of the 8086?
Both the 8085 and 8086 have identical instruction sets with no differences.
The 8085 has a 16-bit instruction set, while the 8086 has an 8-bit instruction set.
The 8085 supports floating-point operations, while the 8086 does not.
The 8085 has an 8-bit instruction set, while the 8086 has a 16-bit instruction set with more complex operations.
What is the function of the stack segment in the 8086 microprocessor?
The stack segment stores temporary data for function calls, local variables, and interrupt handling.
The stack segment manages the CPU's power supply.
The stack segment is used for permanent data storage.
The stack segment stores the operating system files.
Identify the types of addressing modes supported by the 8085 microprocessor.
Static, Dynamic, Virtual
Immediate, Direct, Register, Register Indirect, Implicit, Relative
Direct, Indirect, Indexed
Sequential, Circular, Random
What is the significance of the instruction pointer in the 8086 microprocessor?
It controls the power supply to the 8086 microprocessor.
It stores the current value of the accumulator in the 8086 microprocessor.
The instruction pointer is significant as it determines the next instruction to execute in the 8086 microprocessor.
It manages the memory allocation for data storage in the 8086 microprocessor.
List three types of instructions available in the 8085 instruction set.
Branching
Logic Operations
Input/Output
Data Transfer, Arithmetic, Control
How does the 8086 microprocessor handle data bus operations?
The 8086 microprocessor uses a 32-bit data bus for operations.
The 8086 microprocessor operates with a 16-bit data bus but does not use multiplexing.
The 8086 microprocessor handles data bus operations using a 16-bit multiplexed data bus, controlled by read and write signals.
Data bus operations are handled by a separate controller in the 8086.
What are the key differences between the 16-bit and 8-bit instruction sets?
16-bit instruction sets are slower than 8-bit instruction sets.
16-bit instruction sets are exclusively used for gaming applications.
16-bit instruction sets can process larger data types and support more complex operations than 8-bit instruction sets.
8-bit instruction sets can handle more memory than 16-bit instruction sets.
Describe the role of the status flags in the 8085 microprocessor.
The status flags in the 8085 microprocessor indicate the result of operations and control program flow.
Status flags control the power supply of the microprocessor.
Status flags are used for memory addressing.
Status flags are only relevant during input/output operations.
