Category:I600 Introduction to Computers and Informatics: Difference between revisions

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Jargon: Hard disk drive (HDD), Solid state drive (SSD), conventional PCI, PCI Express, USB2.
Homework:
 
* Follow instructions on [[Getting started with Ubuntu]]
* Place your preferred ISO image to a memory stick using <code>dd</code> or Win32 Disk Imager and boot it on your personal laptop.
* Open up terminal by pressing <code>Ctrl-Alt-T</code>.
* Use <code>cat /proc/cpuinfo<code> and check what CPU model and how many cores your computer has.
* Use <code>cat /proc/meminfo<code> and check how much RAM your computer has.
* Use <code>lspci -t -v -nn</code> to enuerate PCI and PCI Express devices.
* Use <code>lsusb</code> and <code>lsusb -t</code> to enumerate USB devices.
* Use <code>fdisk -l</code> to enumerate disks and partitions.
* Use <code>lsblk</code> to enumerate block devices.
* Use <code>xrandr</code> to enumerate display outputs.
* Use <code>alsamixer</code> to check which audio devices are available, use <code>F6</code> to select between audio devices.
* Use <code>dmidecode</code> to see even more information about your computer.
* Use <code>ifconfig -a</code> to list all network interfaces.
* What audio card is your machine using?
* What graphics controller is your machine using? How is it connected to your machine? What video output resolutions are available and which one is currently used?
* What webcam is your machine using? How is it connected to your machine?
* What wireless chipset your computer has? How is it connected to your machine?
* What bluetooth device your computer has? How is it connected to your machine?
* Is there a cellular modem connected and how it's connected?
* Boot the ISO image in VirtualBox and follow the same steps as above, what are the differences and why?
* Collect command outputs, answer to questions and send it as plain text e-mail to lauri [dotchka] vosandi [plus] i600 [ät] gmail [dotchka] com
 
Jargon: CPU, RAM, ROM, HDD, SSD, PCI, PCI Express, USB 2.0, USB 3.0, VGA, HDMI, DVI, LCD, TFT, LED, AMOLED,


Exam questions:
Exam questions:
Line 22: Line 46:
* What are differences between resistive and capacitive touchscreen? [http://www.alphr.com/realworld/357325/capacitive-or-resistive-whats-the-best-type-of-touchscreen]
* What are differences between resistive and capacitive touchscreen? [http://www.alphr.com/realworld/357325/capacitive-or-resistive-whats-the-best-type-of-touchscreen]
* Name screen technologies making use of TFT technology? [https://en.wikipedia.org/wiki/Thin-film_transistor]
* Name screen technologies making use of TFT technology? [https://en.wikipedia.org/wiki/Thin-film_transistor]
* What are the differences between linear vs switching power regulation? [http://www.digikey.com/en/articles/techzone/2012/may/understanding-the-advantages-and-disadvantages-of-linear-regulators Understanding]
* What are the differences between linear vs switching power regulation? [http://www.digikey.com/en/articles/techzone/2012/may/understanding-the-advantages-and-disadvantages-of-linear-regulators]
* Name uses for light polarization filters?
* Name uses for light polarization filters?
* What are the benefits of twisted pair and differential signaling?
* What are the benefits of twisted pair and differential signaling?
* Active matrix vs passive matrix in display technology
* Active matrix vs passive matrix in display technology
* What is resistance? Capacitance? Inductance?
* What is resistance? Capacitance? Inductance?

Revision as of 09:51, 4 September 2015

In this course we'll give an introduction to variety of topics.

Points: 6 ECTS

Grading: homework + exam

Lecturer: Lauri Võsandi


Introduction to computer hardware

Homework:

  • Follow instructions on Getting started with Ubuntu
  • Place your preferred ISO image to a memory stick using dd or Win32 Disk Imager and boot it on your personal laptop.
  • Open up terminal by pressing Ctrl-Alt-T.
  • Use cat /proc/cpuinfo and check what CPU model and how many cores your computer has.
  • Use cat /proc/meminfo and check how much RAM your computer has.
  • Use lspci -t -v -nn to enuerate PCI and PCI Express devices.
  • Use lsusb and lsusb -t to enumerate USB devices.
  • Use fdisk -l to enumerate disks and partitions.
  • Use lsblk to enumerate block devices.
  • Use xrandr to enumerate display outputs.
  • Use alsamixer to check which audio devices are available, use F6 to select between audio devices.
  • Use dmidecode to see even more information about your computer.
  • Use ifconfig -a to list all network interfaces.
  • What audio card is your machine using?
  • What graphics controller is your machine using? How is it connected to your machine? What video output resolutions are available and which one is currently used?
  • What webcam is your machine using? How is it connected to your machine?
  • What wireless chipset your computer has? How is it connected to your machine?
  • What bluetooth device your computer has? How is it connected to your machine?
  • Is there a cellular modem connected and how it's connected?
  • Boot the ISO image in VirtualBox and follow the same steps as above, what are the differences and why?
  • Collect command outputs, answer to questions and send it as plain text e-mail to lauri [dotchka] vosandi [plus] i600 [ät] gmail [dotchka] com

Jargon: CPU, RAM, ROM, HDD, SSD, PCI, PCI Express, USB 2.0, USB 3.0, VGA, HDMI, DVI, LCD, TFT, LED, AMOLED,

Exam questions:

  • Different buses and their uses
  • What are the differences between HDD and SDD? [1]
  • What are difference between volatile/non-volatile, RAM, ROM, EEPROM and where are they used?
  • What are difference between asynchronous/synchronous, dynmic/static RAM and where are they used?
  • What is cache? What is cache coherence? [2]
  • What are differences between resistive and capacitive touchscreen? [3]
  • Name screen technologies making use of TFT technology? [4]
  • What are the differences between linear vs switching power regulation? [5]
  • Name uses for light polarization filters?
  • What are the benefits of twisted pair and differential signaling?
  • Active matrix vs passive matrix in display technology
  • What is resistance? Capacitance? Inductance?

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