
DLX Architecture and Floating-Point Arithmetic
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Other
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University
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Practice Problem
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Medium
Максим Жилов
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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the main stages of the DLX pipeline, and how do they contribute to instruction execution?
Fetch, Decode, Execute, Memory Access, Write Back
Load, Process, Execute, Store, Branch
Fetch, Decode, Control, Forwarding, Write
Load, Decode, Execute, Fetch, Terminate
Fetch, Memory, ALU, Write, Forwarding
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does the DLX architecture handle pipeline hazards, and what techniques are used?
Using pipelining without hazard detection
Through speculative execution only
By data forwarding, stalls, and branch prediction
By flushing pipelines after every branch instruction
By executing instructions out of order
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of intermediate pipeline registers (e.g., ID/EX) in the DLX architecture?
To control memory writes during execution
To separate and store data between pipeline stages
To reduce branch hazards
To directly forward data between stages
To enhance branch prediction accuracy
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of IEEE 754 standards in floating-point arithmetic?
It provides guidelines for fixed-point operations
It defines formats, biasing, and special values like NaN and infinity
It eliminates the need for normalization in arithmetic
It accelerates CPU memory accesses
It only applies to integer-based arithmetic
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is normalization important in floating-point arithmetic?
It increases the size of the exponent field
It ensures the mantissa uses a single non-zero digit to maximize precision
It reduces memory consumption for floating-point numbers
It removes the need for rounding in operations
It eliminates biasing errors
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does floating-point rounding work, and why is it necessary?
It truncates the mantissa to the nearest integer value
It adjusts the mantissa to fit within available bits to minimize errors
It eliminates all precision loss in calculations
It is used only for very small numbers
It prevents hardware overflow errors
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main difference between static and dynamic data flow architectures?
Static uses tokens with context, dynamic uses a single path
Static has a fixed flow, while dynamic handles multiple tokens with context
Static allows recursion; dynamic does not
Static requires data forwarding; dynamic does not
Dynamic uses fewer computational nodes than static
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