(إِنَّ نَاشِئَةَ اللَّيْلِ هِيَ أَشَدُّ وَطْئًا وَأَقْوَمُ قِيلًا)
[المزمل: 6]

قيام اللّيل ولو بركعة.

فيديو فيه امثلة عالداتا باث للفورمات J,I,R
https://www.youtube.com/watch?v=gTdLBcks5u8
#EC351

‏﴿ وَذَكِّرْ فَإِنَّ الذِّكْرَىٰ تَنفَعُ الْمُؤْمِنِينَ ﴾
‏- سُبحان الله .
‏- الحَمد لله .
‏- لا إله إلا الله .
‏- الله أكبر .
‏- أستغفِرُ الله .
‏- لا حَول و لا قوة إلا بالله .
‏- سُبحان الله و بِحمده .
‏- سُبحان الله العَظيم .
‏- اللهم صل و سلم على نبينا محمد .

‏{وَأَقِمِ الصَّلَاةَ إِنَّ الصَّلَاةَ تَنْهَى عَنِ الْفَحْشَاءِ وَالْمُنْكَرِ}

1. Why is it not possible to keep improving computer performance by increasing clock speed?
a. Clock speeds cannot go any faster
b. Heat dissipation problem
c. Cannot shrink the gates any smaller
d. None of the choices

2. Why do computer systems need DMA (Direct Memory Access)?
a. Memory is fast enough for the CPU
b. I/O devices are very slow for the CPU
c. I/O devices are very fast for the CPU
d. None of the choices

3. What are the limitations of using clock speed to compare processor performances?
a. Can only be used to compare processors in the same family (e.g., Motorola, AMD, Pentium)
b. Does not measure the number of clock cycles per second
c. The amount of work different computer chips can do in one cycle varies
d. None of the choices

4. Processor and memory system determine

16. What value is stored at address 0x10000004 on a little-endian machine?
a. 0x11
b. 0x88
c. 0xFF
d. 0x44

17.What value is stored at address 0x10000004 on a big-endian machine?
a. 0x11
b. 0x88
c. 0xF
d. 0x4044

18. Suppose you want to achieve a speed-up of 10 times faster with 100 processors. What percentage of the original computation can be sequential?
a. 90.9%
b. 6.1%
c. 0.1%
d. 49.1%

19. In Booth encoding multiplicatio a 01 code in the multiplier means:
a. Shift left multiplicand, then subtract multiplicand
b. Subtract multiplicand, then shift left multiplicand
c. Shift left multiplicand, then add multiplicand
d. Add multiplicand, then shift left multiplicand

20. DDR4 is a DDR with

‏﴿وَقَالَ إِنِّي ذَاهِبٌ إِلَىٰ رَبِّي سَيَهْدِينِ﴾

‏كلما شعرت بالحيرة والضياع اجمع هموم قلبك وارحل بها إلى الله فعنده وحده ستجد النجاة وراحة البال وطمأنينة القلب

وتركم يا أحباء الله ..