Build A Computer

Build A Computer

Learn about computers by building a paper computer model with all the parts.

Understand Building

Understand Building

Build a paper computer and understand the purpose and compontents of desktop computers.

Explore Computing

Explore Computing

Get your learn on.Explode your knowledge by taking the full course.

Teacher Downloads

Teacher Downloads

Download build a computer templates, curriculum, insatalls. Learn more.

  • Build A Computer

    Build A Computer

  • Understand Building

    Understand Building

  • Explore Computing

    Explore Computing

  • Teacher Downloads

    Teacher Downloads

Profile Information

Application 0.000 seconds (+0.000); 0.71 MB (+0.707) - afterLoad
Application 0.783 seconds (+0.782); 4.63 MB (+3.928) - afterInitialise
Application 0.876 seconds (+0.093); 5.36 MB (+0.728) - afterRoute
Application 1.019 seconds (+0.143); 5.82 MB (+0.453) - afterDispatch
Application 1.041 seconds (+0.022); 6.20 MB (+0.389) - beforeRenderModule mod_lofarticlesslideshow (FrontPage Showcse)
Application 1.530 seconds (+0.490); 8.13 MB (+1.927) - afterRenderModule mod_lofarticlesslideshow (FrontPage Showcse)
Application 1.531 seconds (+0.000); 8.08 MB (-0.047) - beforeRenderModule mod_menu (Menu User)
Application 1.551 seconds (+0.020); 8.16 MB (+0.079) - afterRenderModule mod_menu (Menu User)
Application 1.551 seconds (+0.000); 8.16 MB (-0.003) - beforeRenderModule mod_cblogin (CB Login)
Application 2.160 seconds (+0.609); 9.50 MB (+1.339) - afterRenderModule mod_cblogin (CB Login)
Application 2.218 seconds (+0.057); 9.85 MB (+0.353) - afterRender

Memory Usage

9.86 MB (10,334,748 Bytes)

25 Queries Logged

  1. SELECT `data`
      FROM `jom_session`
      WHERE `session_id` = '8vvdgadks6bpke9quiio8f51i2'
  2. SELECT `session_id`
      FROM `jom_session`
      WHERE `session_id` = '8vvdgadks6bpke9quiio8f51i2'
      LIMIT 0, 1
  3. INSERT INTO `jom_session` (`session_id`, `client_id`, `time`)
      VALUES ('8vvdgadks6bpke9quiio8f51i2', 0, 1327699146)
  4. SELECT extension_id AS "id", element AS "option", params, enabled
      FROM jom_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_users'
  5. SELECT id, rules
      FROM `jom_viewlevels`
  6. SELECT folder AS type, element AS name, params
      FROM jom_extensions
      WHERE enabled >= 1
      AND type ='plugin'
      AND state >= 0
      AND access IN (1,1,5)
      ORDER BY ordering
  7. SELECT extension_id AS "id", element AS "option", params, enabled
      FROM jom_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_languages'
  8. SELECT m.id, m.menutype, m.title, m.alias, m.path AS route, m.link, m.type, m.level, m.language,m.browserNav, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component
      FROM jom_menu AS m
      LEFT JOIN jom_extensions AS e
      ON m.component_id = e.extension_id
      WHERE m.published = 1
      AND m.parent_id > 0
      AND m.client_id = 0
      AND m.access IN (1,1,5)
      ORDER BY m.lft
  9. SELECT id, home, template, s.params
      FROM jom_template_styles as s
      LEFT JOIN jom_extensions as e
      ON e.element=s.template
      AND e.type='template'
      AND e.client_id=s.client_id
      WHERE s.client_id = 0
      AND e.enabled = 1
  10. SHOW TABLES
  11. SELECT file_id
      from jom_jdownloads_files
      WHERE published = 1
      AND use_timeframe = 1
      AND publish_to != '0000-00-00 00:00:00'
      AND publish_to <= '2012-01-27 16:19:06'
  12. SELECT file_id
      from jom_jdownloads_files
      WHERE published = 0
      AND use_timeframe = 1
      AND publish_from != '0000-00-00 00:00:00'
      AND publish_from <= '2012-01-27 16:19:06'
  13. SELECT a.rules
      FROM jom_assets AS a
      WHERE a.id = 1
  14. SELECT b.rules
      FROM jom_assets AS a
      LEFT JOIN jom_assets AS b
      ON b.lft <= a.lft
      AND b.rgt >= a.rgt
      WHERE a.id = 1
      ORDER BY b.lft
  15. SHOW TABLES
  16. SELECT extension_id AS "id", element AS "option", params, enabled
      FROM jom_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_blankcomponent'
  17. SELECT *
      FROM jom_languages
      WHERE published=1
      ORDER BY ordering ASC
  18. SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid
      FROM jom_modules AS m
      LEFT JOIN jom_modules_menu AS mm
      ON mm.moduleid = m.id
      LEFT JOIN jom_extensions AS e
      ON e.element = m.module
      AND e.client_id = m.client_id
      WHERE m.published = 1
      AND e.enabled = 1
      AND (m.publish_up = '0000-00-00 00:00:00' OR m.publish_up <= '2012-01-27 21:19:07')
      AND (m.publish_down = '0000-00-00 00:00:00' OR m.publish_down >= '2012-01-27 21:19:07')
      AND m.access IN (1,1,5)
      AND m.client_id = 0
      AND (mm.menuid = 542 OR mm.menuid <= 0)
      ORDER BY m.position, m.ordering
  19. SELECT extension_id AS "id", element AS "option", params, enabled
      FROM jom_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_content'
  20. SELECT a.fulltext, a.id, a.title, a.alias, a.title_alias, a.introtext, a.state, a.catid, a.created, a.created_by, a.created_by_alias, a.modified, a.modified_by,a.publish_up, a.publish_down, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, a.hits, a.featured, LENGTH(a.fulltext) AS readmore,a.fulltext, a.id, a.title, a.alias, a.title_alias, a.introtext, a.state, a.catid, a.created, a.created_by, a.created_by_alias, a.modified, a.modified_by,a.publish_up, a.publish_down, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, a.hits, a.featured, LENGTH(a.fulltext) AS readmore,c.title AS category_title, c.path AS category_route, c.access AS category_access, c.alias AS category_alias,CASE WHEN a.created_by_alias > ' ' THEN a.created_by_alias ELSE ua.name END AS author,ua.email AS author_email,contact.id as contactid,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,ROUND( v.rating_sum / v.rating_count ) AS rating, v.rating_count as rating_count,c.published, CASE WHEN badcats.id is null THEN c.published ELSE 0 END AS parents_published
      FROM jom_content AS a
      LEFT JOIN jom_content_frontpage AS fp
      ON fp.content_id = a.id
      LEFT JOIN jom_categories AS c
      ON c.id = a.catid
      LEFT JOIN jom_users AS ua
      ON ua.id = a.created_by
      LEFT JOIN jom_users AS uam
      ON uam.id = a.modified_by
      LEFT JOIN jom_contact_details AS contact
      on contact.user_id = a.created_by
      LEFT JOIN jom_categories as parent
      ON parent.id = c.parent_id
      LEFT JOIN jom_content_rating AS v
      ON a.id = v.content_id
      LEFT
      OUTER JOIN (SELECT cat.id as id
      FROM jom_categories AS cat JOIN jom_categories AS parent
      ON cat.lft BETWEEN parent.lft
      AND parent.rgt
      WHERE parent.extension = 'com_content'
      AND parent.published != 1
      GROUP BY cat.id ) AS badcats
      ON badcats.id = c.id
      WHERE a.access IN (1,1,5)
      AND CASE WHEN badcats.id is null THEN a.state ELSE 0 END = 1
      AND a.catid IN (78)
      AND (a.publish_up = '0000-00-00 00:00:00' OR a.publish_up <= '2012-01-27 21:19:07')
      AND (a.publish_down = '0000-00-00 00:00:00' OR a.publish_down >= '2012-01-27 21:19:07')
      GROUP BY a.id
      ORDER BY a.id asc
      LIMIT 0, 5
  21. SELECT c.*,CASE WHEN CHAR_LENGTH(c.alias) THEN CONCAT_WS(":", c.id, c.alias) ELSE c.id END as slug
      FROM jom_categories as c
      LEFT JOIN jom_categories AS s
      ON (s.lft <= c.lft
      AND s.rgt >= c.rgt) OR (s.lft > c.lft
      AND s.rgt < c.rgt)
      LEFT JOIN (SELECT cat.id as id
      FROM jom_categories AS cat JOIN jom_categories AS parent
      ON cat.lft BETWEEN parent.lft
      AND parent.rgt
      WHERE parent.extension = 'com_content'
      AND parent.published != 1
      GROUP BY cat.id) AS badcats
      ON badcats.id = c.id
      WHERE (c.extension='com_content' OR c.extension='system')
      AND c.access IN (1,1,5)
      AND c.published = 1
      AND s.id=78
      AND badcats.id is null
      GROUP BY c.id
      ORDER BY c.lft
  22. SELECT extension_id AS "id", element AS "option", params, enabled
      FROM jom_extensions
      WHERE `type` = 'component'
      AND `element` = 'com_phocadownload'
  23. SELECT id
      FROM jom_menu
      WHERE link LIKE 'index.php?option=com_comprofiler&task=registers%'
      AND published=1
      AND access = 0
  24. SHOW TABLES
  25. UPDATE `jom_session`
      SET `data` = '__default|a:7:{s:15:\"session.counter\";i:1;s:19:\"session.timer.start\";i:1327699146;s:18:\"session.timer.last\";i:1327699146;s:17:\"session.timer.now\";i:1327699146;s:22:\"session.client.browser\";s:48:\"CCBot/1.0 (+http://www.commoncrawl.org/bot.html)\";s:8:\"registry\";O:9:\"JRegistry\":1:{s:7:\"\0*\0data\";O:8:\"stdClass\":0:{}}s:4:\"user\";O:5:\"JUser\":23:{s:9:\"\0*\0isRoot\";b:0;s:2:\"id\";i:0;s:4:\"name\";N;s:8:\"username\";N;s:5:\"email\";N;s:8:\"password\";N;s:14:\"password_clear\";s:0:\"\";s:8:\"usertype\";N;s:5:\"block\";N;s:9:\"sendEmail\";i:0;s:12:\"registerDate\";N;s:13:\"lastvisitDate\";N;s:10:\"activation\";N;s:6:\"params\";N;s:6:\"groups\";a:0:{}s:5:\"guest\";i:1;s:10:\"\0*\0_params\";O:9:\"JRegistry\":1:{s:7:\"\0*\0data\";O:8:\"stdClass\":0:{}}s:14:\"\0*\0_authGroups\";a:1:{i:0;i:1;}s:14:\"\0*\0_authLevels\";a:3:{i:0;i:1;i:1;i:1;i:2;i:5;}s:15:\"\0*\0_authActions\";N;s:12:\"\0*\0_errorMsg\";N;s:10:\"\0*\0_errors\";a:0:{}s:3:\"aid\";i:0;}}', `time` = 1327699148
      WHERE `session_id` = '8vvdgadks6bpke9quiio8f51i2'

18 Query Types Logged, Sorted by Occurrences.

SELECT Tables:
  1. 5 × SELECT extension_id AS "id", element AS "option", params, enabled FROM jom_extensions
  2. 2 × SELECT file_id from jom_jdownloads_files
  3. 1 × SELECT m.id, m.title, m.module, m.position, m.content, m.showtitle, m.params, mm.menuid FROM jom_modules AS m LEFT JOIN jom_modules_menu AS mm ON mm.moduleid = m.id LEFT JOIN jom_extensions AS e ON e.element = m.module AND e.client_id = m.client_id
  4. 1 × SELECT * FROM jom_languages
  5. 1 × SELECT a.fulltext, a.id, a.title, a.alias, a.title_alias, a.introtext, a.state, a.catid, a.created, a.created_by, a.created_by_alias, a.modified, a.modified_by,a.publish_up, a.publish_down, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, a.hits, a.featured, LENGTH(a.fulltext) AS readmore,a.fulltext, a.id, a.title, a.alias, a.title_alias, a.introtext, a.state, a.catid, a.created, a.created_by, a.created_by_alias, a.modified, a.modified_by,a.publish_up, a.publish_down, a.attribs, a.metadata, a.metakey, a.metadesc, a.access, a.hits, a.featured, LENGTH(a.fulltext) AS readmore,c.title AS category_title, c.path AS category_route, c.access AS category_access, c.alias AS category_alias,CASE WHEN a.created_by_alias > ' ' THEN a.created_by_alias ELSE ua.name END AS author,ua.email AS author_email,contact.id as contactid,parent.title as parent_title, parent.id as parent_id, parent.path as parent_route, parent.alias as parent_alias,ROUND( v.rating_sum / v.rating_count ) AS rating, v.rating_count as rating_count,c.published, CASE WHEN badcats.id is null THEN c.published ELSE 0 END AS parents_published FROM jom_content AS a LEFT JOIN jom_content_frontpage AS fp ON fp.content_id = a.id LEFT JOIN jom_categories AS c ON c.id = a.catid LEFT JOIN jom_users AS ua ON ua.id = a.created_by LEFT JOIN jom_users AS uam ON uam.id = a.modified_by LEFT JOIN jom_contact_details AS contact on contact.user_id = a.created_by LEFT JOIN jom_categories as parent ON parent.id = c.parent_id LEFT JOIN jom_content_rating AS v ON a.id = v.content_id LEFT OUTER JOIN (SELECT cat.id as id FROM jom_categories AS cat JOIN jom_categories AS parent ON cat.lft BETWEEN parent.lft AND parent.rgt
  6. 1 × SELECT c.*,CASE WHEN CHAR_LENGTH(c.alias) THEN CONCAT_WS(":", c.id, c.alias) ELSE c.id END as slug FROM jom_categories as c LEFT JOIN jom_categories AS s ON (s.lft <= c.lft AND s.rgt >= c.rgt) OR (s.lft > c.lft AND s.rgt < c.rgt) LEFT JOIN (SELECT cat.id as id FROM jom_categories AS cat JOIN jom_categories AS parent ON cat.lft BETWEEN parent.lft AND parent.rgt
  7. 1 × SELECT id FROM jom_menu
  8. 1 × SELECT b.rules FROM jom_assets AS a LEFT JOIN jom_assets AS b ON b.lft <= a.lft AND b.rgt >= a.rgt
  9. 1 × SELECT a.rules FROM jom_assets AS a
  10. 1 × SELECT folder AS type, element AS name, params FROM jom_extensions
  11. 1 × SELECT id, rules FROM `jom_viewlevels
  12. 1 × SELECT m.id, m.menutype, m.title, m.alias, m.path AS route, m.link, m.type, m.level, m.language,m.browserNav, m.access, m.params, m.home, m.img, m.template_style_id, m.component_id, m.parent_id,e.element as component FROM jom_menu AS m LEFT JOIN jom_extensions AS e ON m.component_id = e.extension_id
  13. 1 × SELECT id, home, template, s.params FROM jom_template_styles as s LEFT JOIN jom_extensions as e ON e.element=s.template AND e.type='template' AND e.client_id=s.client_id
  14. 1 × SELECT `data` FROM `jom_session`
  15. 1 × SELECT `session_id` FROM `jom_session`
OTHER Tables:
  1. 3 × SHOW TABLE
  2. 1 × UPDATE `jom_session` SET `data` = '__default|a:7:{s:15:\"session.counter\";i:1;s:19:\"session.timer.start\";i:1327699146;s:18:\"session.timer.last\";i:1327699146;s:17:\"session.timer.now\";i:1327699146;s:22:\"session.client.browser\";s:48:\"CCBot/1.0 (+http://www.commoncrawl.org/bot.html)\";s:8:\"registry\";O:9:\"JRegistry\":1:{s:7:\"\0*\0data\";O:8:\"stdClass\":0:{}}s:4:\"user\";O:5:\"JUser\":23:{s:9:\"\0*\0isRoot\";b:0;s:2:\"id\";i:0;s:4:\"name\";N;s:8:\"username\";N;s:5:\"email\";N;s:8:\"password\";N;s:14:\"password_clear\";s:0:\"\";s:8:\"usertype\";N;s:5:\"block\";N;s:9:\"sendEmail\";i:0;s:12:\"registerDate\";N;s:13:\"lastvisitDate\";N;s:10:\"activation\";N;s:6:\"params\";N;s:6:\"groups\";a:0:{}s:5:\"guest\";i:1;s:10:\"\0*\0_params\";O:9:\"JRegistry\":1:{s:7:\"\0*\0data\";O:8:\"stdClass\":0:{}}s:14:\"\0*\0_authGroups\";a:1:{i:0;i:1;}s:14:\"\0*\0_authLevels\";a:3:{i:0;i:1;i:1;i:1;i:2;i:5;}s:15:\"\0*\0_authActions\";N;s:12:\"\0*\0_errorMsg\";N;s:10:\"\0*\0_errors\";a:0:{}s:3:\"aid\";i:0;}}', `time` = 1327699148
  3. 1 × INSERT INTO `jom_session` (`session_id`, `client_id`, `time`) VALUES ('8vvdgadks6bpke9quiio8f51i2', 0, 1327699146