Quiz 1 Flashcards
What is the architecture of the 8086?
16-bit architecture
The 8086 features a wider data path and larger registers, along with an instruction cache.
What was the significance of the 8088 processor?
Used in IBM’s first personal computer
The 8088 helped secure the success of Intel.
What memory addressing capability did the 80286 introduce?
16-MB memory addressing
This was an upgrade from the 1 MB addressing of the 8086.
What was the first 32-bit machine from Intel?
80386
The 80386 supported multitasking and rivaled minicomputers and mainframes.
What are the key features of the 80486?
Sophisticated cache technology and instruction pipelining
It also included a built-in math coprocessor.
What technique did the Pentium introduce?
Superscalar techniques
This allows multiple instructions to execute in parallel.
What advancements did the Pentium Pro bring?
Register renaming and branch prediction
It continued the move into superscalar organization.
What technology does the Pentium II incorporate?
Intel MMX technology
Designed for efficient processing of video, audio, and graphics data.
What is the purpose of the Streaming SIMD Extensions (SSE) in the Pentium II?
Increase performance on multiple data objects
Added 70 new instructions for digital signal processing and graphics processing.
What enhancements does the Pentium 4 include?
Additional floating-point and multimedia enhancements
These enhancements improve performance in multimedia applications.
What is the first Intel x86 microprocessor with a dual core?
Core
What architecture extends the Core architecture to 64 bits?
Core 2
What does the Core 2 Quad provide?
Four cores on a single chip
What is a significant addition to the Core architecture for processing vector data?
Advanced Vector Extensions instruction set
How many bits do the Advanced Vector Extensions instructions support?
256-bit and then 512-bit
In what year was the x86 architecture introduced?
1978
What has allowed the x86 architecture to remain backward compatible?
New instruction sets have been added while maintaining compatibility with existing instructions
What is the typical rate of change for the x86 instruction set?
One instruction per month
How many instructions are there approximately in the x86 instruction set today?
Thousands
What was the clock speed of the 1978 8086 microprocessor?
5 MHz
How many transistors did the 8086 microprocessor have?
29,000 transistors
What is the clock speed of the Core i7 EE 4960X introduced in 2013?
4 GHz
How many transistors does the Core i7 EE 4960X have?
1.86 billion transistors
What is the speedup factor of the Core i7 EE 4960X compared to the 8086?
800 times
True or False: All changes to the x86 instruction set have involved subtractions.
False
Fill in the blank: The x86 architecture continues to dominate the processor market outside of _______.
embedded systems
What is the approximate increase in the number of transistors from the 8086 to the Core i7 EE 4960X?
About 64,000 times
What is a notable feature of the Core i7 EE 4960X in terms of its physical size compared to the 8086?
Slightly larger package
What has changed dramatically over the decades in x86 machines?
Organization and technology
