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QL    
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(Quantum Leap) Sir {Clive Sinclair}'s first
{Motorola 68008}-based {personal computer}, developed from
around 1981 and released about 1983. The QL ran Sinclair's
{QDOS} {operating system} which was the first {multitasking}
OS on a home computer, though few programmers used this
feature. It had a structured, extended {BASIC} and a suite of
integrated {application programs} written by {Psion}. It
featured innovative "{microdrives}" which were random-access
tape drives. It was not a success.

The microdrives were innovative but probably a mistake.
Though reliable and quite quick, they sounded like they were
going to jam and explode, releasing a shower of plastic
shavings and tape into your face.

The QL and QDOS only supported two graphics modes - ominously
named high res and low res. High res had four (fixed) colours
at a resolution of 512 by 256 {pixels}. Low res had 8 colours
(black, blue, red, magenta, green, cyan, yellow, white) plus a
flash mode with 256 by 256 pixels. The sound was next to
useless - single channel single oscillator with various
parameters for fuzz, pitch change. There was one internal
{font}, scalable to 2 heights and 3 widths.

Peripherals and enhancements included a {GUI} on a plug-in
{ROM}, accelerator cards ({Motorola 68020}, 4 MB RAM), {floppy
disks} and {hard disks}.

In 1996 there is still some interest in the QL, spread by the
Internet of course. {Emulation} software, {source code}, "The
QL Hackers Journal" and similar are still available, and many
QLs are on the net.

{(http://imaginet.fr/~godefroy/english)}.

(1996-08-01)


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  • Quadratus Lumborum – Why it Hurts and How to fix it
    The Quadratus Lumborum (QL) can be a real pain in the butt (and back) but with the right exercises and self-treatment, you can be pain-free - long term
  • 9 Quadratus Lumborum (QL) Stretches and Exercises to Try - Peloton
    Learn what causes quadratus lumborum (aka QL) muscle pain and tightness and how to prevent and relieve it with stretches and exercises for the QL and surrounding muscle groups
  • Quadratus lumborum muscle - Wikipedia
    The quadratus lumborum muscle, informally called the QL, is a paired muscle of the left and right posterior abdominal wall It is the deepest abdominal muscle, and commonly referred to as a back muscle
  • Quadratus Lumborum Syndrome - Physiopedia
    Quadratus Lumborum is the deepest muscle of the lumbar region Extends from pelvis to last rib It contracts while sitting, walking and standing and is therefore very susceptible to pain formation Pain is usually caused by overuse, but can sometimes be caused by weakness and tension
  • 5 Quadratus Lumborum Exercises to Stabilize Your Core and Spine
    With that in mind, let’s talk about the best ways to keep your QL muscle in top shape These five exercises will help release tension, strengthen your core, and stabilize your lower back so that you can move more freely and without pain
  • How to Fix Quadratus Lumborum Syndrome in 3 Steps
    When it comes to Quadratus Lumborum syndrome, there are 3 basic steps to follow to get you out of consistent, nagging QL pain STEP 1: Massage STEP 2: Stretch STEP 3: Strengthen The great news is: Each of these steps can be completed from home by YOU
  • 15 Quadratus Lumborum Stretches For Back Tightness
    Suffer from lower back tightness or pain? Check out the 15 best ways to perform a Quadratus Lumborum (QL) stretch
  • Quadratus Lumborum Exercises Stretches - [P]rehab
    QL exercises are a common theme in low back rehab Muscles of the body do not work in isolation, this includes the QL, so strengthening the muscles that assist the quadratus lumborum is important and basically unavoidable!
  • Quadratus Lumborum Pain: Causes Exercises - hingehealth
    Quadratus lumborum (QL) pain can cause deep, one-sided low back discomfort Learn common symptoms, causes, and physical therapists–recommended exercises for relief
  • Quadratus Lumborum Muscle Anatomy - Bodyworks Prime
    The quadratus lumborum muscle, abbreviated as the ‘QL muscle’, is located deep within the lower back musculature toward the posterior aspect of the body It is classified as a muscle of the posterior abdominal wall and is located dorsal to the iliopsoas muscle





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