WGU C952 (2026-2027) Newest Version with
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Register File
A state element that consists of a set of registers that can be read and
written by supplying a register number to be accessed.
provides 1024 scalar 32-bit registers for up to 64 threads.
machine language
The language made up of binary-coded instructions that is used directly by
the computer
system software
The set of programs that enables a computer's hardware devices and
application software to work together; it includes the operating system
and utility programs.
operating system
(computer science) software that controls the execution of computer
programs and may provide various services
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Assembly Language
Programming language that has the same structure and set of commands
as
machine languages but allows programmers to use symbolic
representations of numeric machine code.
IBM 360/91
Introduced many new concepts, including dynamic detection of memory
hazards, generalized forwarding, and reservation stations. Tomasulo's
algorithm
The internal organization of the 360/91 shares many features with the
Pentium III and Pentium 4, as well as with several other microprocessors.
One major
difference was that there was no branch prediction in the 360/91 and
hence no speculation. Another major difference was that there was no
commit unit, so once the instructions finished execution, they updated the
registers.
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Dynamic Random Access Memory (DRAM)
Memory built as an integrated circuit; it provides random access to any
location. Access times are 50 nanoseconds and cost per gigabyte in 2012
was $5 to $10.
Multiple DRAMs are used together to contain the instructions and data of a
program. In contrast to sequential access memories, such as magnetic
tapes, the RAM portion of the term DRAM means that memory accesses
take basically the same amount of time no matter what portion of the
memory is read.
Modern DRAMS consist of rows in each bank
Instruction set architecture
Also called architecture. An abstract interface between the hardware and
the lowest-level software that encompasses all the information necessary
to write a machine language program that will run correctly, including
instructions, registers, memory access, I/O, and so on.
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frame buffering
A portion of RAM containing a bitmap that drives a video display. It is a
memory buffer containing a complete frame of data.
The image to be represented onscreen is stored in the frame buffer, and
the bit pattern per pixel is read out to the graphics display at the refresh
rate. The
animation below shows a frame buffer with a simplified design of just 4
bits per pixel.
Datapath
The component of the processor that performs arithmetic operations
Control
The component of the processor that commands the datapath, memory,
and I/O devices according to the instructions of the program.
Integrated circuit
Also called a chip. A device combining dozens to millions of transistors.
Central processor unit (CPU)
Also called processor. The active part of the computer, which
contains the datapath and control and which adds numbers, tests
numbers, signals I/O devices to activate, and so on.
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