Computer Architecture Interviews

[pjhuyenhanh]

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# What is pipelining?

# What are the five stages in a DLX pipeline?

# For a pipeline with 'n' stages, what�s the ideal throughput? What prevents us from achieving this ideal throughput?

# What are the different hazards? How do you avoid them?

# Instead of just 5-8 pipe stages why not have, say, a pipeline with 50 pipe stages?

# What are Branch Prediction and Branch Target Buffers?

# How do you handle precise exceptions or interrupts?

# What is a cache?

# What's the difference between Write-Through and Write-Back Caches? Explain advantages and disadvantages of each.

# Cache Size is 64KB, Block size is 32B and the cache is Two-Way Set Associative. For a 32-bit physical address, give the division between Block Offset, Index and Tag.

# What is Virtual Memory?

# What is Cache Coherency?

# What is MESI?

# What is a Snooping cache?

# What are the components in a Microprocessor?

# What is ACBF(Hex) divided by 16?

# Convert 65(Hex) to Binary

# Convert a number to its two's compliment and back

# The CPU is busy but you want to stop and do some other task