While clock speeds were comparable, the 8-bit databus and cycle stealing of the ZX8301 ULA limited the QL's performance.

The 8049 ( included at late stage in the QL's design, the ZX8302 originally being intended to perform its functions ) ran at 11 MHz and acted as a keyboard / joystick interface, RS-232 receive buffer and audio generator.

It also integrates many extensions previously only available separately for the QL, like Toolkit II ( quite essential SuperBASIC add-on ), the Pointer Environment ( the QL's mouse and windowing system ) and the Hotkey System 2.

This project was later cancelled, however, SuperBASIC was subsequently included in the ROM firmware of the Sinclair QL personal computer ( launched in January 1984 ), also serving as the command interpreter for the QL's Qdos operating system.

However, this would have used 64 KB of the standard machine's 128 kB of RAM and there is no support for this feature in the QL's original firmware.

When connected to a normally-adjusted TV or monitor, the QL's video output would overscan horizontally.

Consequently, a large percentage of QL's collections are in non-English languages, particularly Spanish.

Minerva was distributed as a ROM chip on a daughterboard which replaced the QL's original ROM chips.

Internally, the QL comprised the CPU, two ULAs, ( ZX8301 and ZX8302 ) and an Intel 8049 microcontroller ( known as the IPC, or " Intelligent Peripheral Controller ").

A last minute bug in the ULA as designed meant that the keyboard did not always scan correctly, which was rectified by a " dead cockroach " ( a small circuit board mounted upside down next to the CPU ) for " Issue 1 " ZX Spectrums.

It was also very common to port games from the ZX Spectrum to the MSX, since both have the same CPU, the Spectrum 128 had the same soundchip, and the ZX Spectrum's graphic mode could be easily emulated on the MSX's screen-2 mode.

Later, when that price edge was eclipsed by cheaper ZX Spectrum clones, their powerful CPU and straightforward, easy to program design made them popular as demo machines.

In order to match the display speed of the ZX Spectrum, the Coupé introduces extra wait states to reduce the CPU speed while in Display Mode 1.

As a result, the SAM Coupé's CPU ran only around 14 % faster than the ZX Spectrum CPU, yet was required to do much more work in SAM's appealing high-resolution modes to produce a similar movement on the display.

According to an article published in Sinclair User magazine ( which is likely to have been, at least in part, speculative ), Loki was to have a 7 MHz Z80H CPU, a minimum of 128 KiB of RAM and two custom chips providing much enhanced video and audio capabilities compared to the ZX Spectrum, but with a compatibility mode.

The inputs from the player's controls ( buttons ) are also mapped into the CPU address space

Many CPU accelerator cards also had integrated SCSI controllers.

It is also possible to ignore the 68k CPU and run Linux on the PPC ( project Linux APUS ), but a PowerPC native AmigaOS promised by Amiga Technologies GmbH was not available when the PowerUP boards first appeared.

They also sold the exotic Olivetti M20, a very early 16 bit personal computer that was one of the very few systems to use a Z8000 CPU.

To enhance and modernize the Aster CT-80 the company also designed three alternative video display adapters to supplement or replace the TRS-80 compatible video card, ( due to the modular nature of the Aster it was simply a matter of changing the video card, and / or CPU card to upgrade the system ).

The Lynx was also the first gaming console with hardware support for zooming / distortion of sprites, allowing fast pseudo-3D games with unrivaled quality at the time and a capacity for drawing filled polygons with limited CPU intervention.

An accumulator machine, also called a 1-operand machine, or a CPU with accumulator-based architecture, is a kind of CPU where, although it may have several registers, the CPU mostly stores the results of calculations in one special register, typically called " the accumulator ".

A central processing unit ( CPU ), also referred to as a central processor unit, is the hardware within a computer system which carries out the instructions of a computer program by performing the basic arithmetical, logical, and input / output operations of the system.

If the addition operation produces a result too large for the CPU to handle, an arithmetic overflow flag in a flags register may also be set.

In addition to using its ALU to perform operations, a CPU is also responsible for reading the next instruction from memory, reading data specified in arguments from memory, and writing results to memory.

Integer range can also affect the number of locations in memory the CPU can address ( locate ).

However, it also carries the disadvantage that the entire CPU must wait on its slowest elements, even though some portions of it are much faster.

CPU designers then borrowed ideas from commercial computing markets such as transaction processing, where the aggregate performance of multiple programs, also known as throughput computing, was more important than the performance of a single thread or program.

Internal bus, also known as internal data bus, memory bus or system bus or front-Side-Bus, connects all the internal components of a computer, such as CPU and memory, to the motherboard.

ColecoVision shares the same CPU and a sound chip with Sega Master System, also a similar but inferior graphics chip.

This technical leadership and the rivalry with IBM was emphasized when the Systempro server was launched in late 1989-this was a true server product with standard support for a second CPU and RAID, but also the first product to feature the EISA bus, designed in reaction to IBM's MCA ( MicroChannel Architecture ).

In computer engineering, an execution unit ( also called a functional unit ) is a part of a CPU that performs the operations and calculations called for by the Branch Unit, which receives data from the CPU.

FCFS is also the jargon term for the FIFO operating system scheduling algorithm, which gives every process CPU time in the order they come.

( 2006 ) ( in the continuing research effort by Freitas, Merkle and their collaborators ) reports that the most-studied mechanosynthesis tooltip motif ( DCB6Ge ) successfully places a C < sub > 2 </ sub > carbon dimer on a C ( 110 ) diamond surface at both 300 K ( room temperature ) and 80 K ( liquid nitrogen temperature ), and that the silicon variant ( DCB6Si ) also works at 80 K but not at 300 K. Over 100, 000 CPU hours were invested in this latest study.

This definition is used in networking contexts and most storage media, particularly hard drives, Flash-based storage, and DVDs, and is also consistent with the other uses of the SI prefix in computing, such as CPU clock speeds or measures of performance.

A CPU socket or slot is an electrical component that attaches to a printed circuit board ( PCB ) and is designed to house a CPU ( also called a microprocessor ).

Williams also utilized the processor in many of its solid-state pinball machines ; a specialized version of the 6809 CPU formed the core of the successful Williams Pinball Controller.

It was formed, established, equipped, coached and trained by a team of UNMIK professional specialized instructors who worked within that field in their native countries ( 1 ) " French PI ", ( 1 ) " Egyptian HRF ", ( 1 ) " German SEK " and ( 1 ) " Bulgarian SP OPS " trainers, in addition to ( 1 ) " US CPU " trainer, ( 1 ) " Danish PT " coach, and ( 1 ) German GSG-9 operator.

According to a press release on the former organisation's website, a new organisation, provisionally named the Commonwealth Press Training and Education Trust was formed in January 2009 " to carry on the vital work of the CPU ".

The basis for the 6600 CPU is what would today be referred to as a RISC system, one in which the processor is tuned to do instructions which are comparatively simple and have limited and well-defined access to memory.

As other resources are also shared, processor affinity alone cannot be used as the basis for CPU dispatching.

Nintendo adopted the 65C816 as the basis for the custom CPU in the Super Nintendo Entertainment System.

With the closing of the project, Intel used the basic RISC core of the CPU design as the basis for the i960 CPU.