Intel Processor Evolution and Machine-Level Representation
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Intel Processor Evolution and Machine-Level Representation

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Questions and Answers

What is the significance of the 8088 variant of the 8086 processor?

It formed the heart of the original IBM personal computers.

Which processor formed the basis of the IBM PC-AT personal computer?

80286

What was the significance of the i386 processor in terms of operating systems?

It added the flat addressing model used by Linux and recent versions of the Windows operating system.

What was the primary improvement in the i486 processor compared to its predecessors?

<p>It had 1.2 M transistors.</p> Signup and view all the answers

Which processor in the Intel line expanded the architecture to 32 bits?

<p>i386</p> Signup and view all the answers

What was the major improvement in the 80286 processor compared to its predecessor?

<p>It added more (and now obsolete) addressing modes.</p> Signup and view all the answers

Which Intel processor introduced a radically new processor design known as the P6 microarchitecture?

<p>PentiumPro</p> Signup and view all the answers

What class of instructions was added to the Pentium/MMX processor for manipulating vectors of integers?

<p>Conditional move</p> Signup and view all the answers

Which Intel processor was the first to support hyperthreading and multi-core, with the initial version supporting two executing programs on each core and up to four cores on each chip?

<p>Core i7, Nehalem</p> Signup and view all the answers

What extension was introduced by the Core i7, Sandy Bridge to support data packed into 256-bit vectors?

<p>AVX</p> Signup and view all the answers

What is the format and behavior of a machine-level program defined by?

<p>Instruction set architecture (ISA)</p> Signup and view all the answers

What type of memory addresses are used by a machine-level program?

<p>Virtual addresses</p> Signup and view all the answers

What is the purpose of the floating-point unit integrated onto the processor chip?

<p>Improved performance</p> Signup and view all the answers

What did the Pentium/MMX processor add for manipulating vectors of integers?

<p>New class of instructions</p> Signup and view all the answers

What is the actual implementation of the memory system based on?

<p>Combination of mu</p> Signup and view all the answers

What did the Core 2 processor become the first multi-core Intel microprocessor to do?

<p>Support multiple processors on a single chip</p> Signup and view all the answers

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