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2 Judy is researching online.   2 a List two types of user-generated reference sites Judy could use. (2) 2 b Judy uses a mobile phone to make a voice call. Draw a diagram to show the mobile phone’s input and output devices required to make the call. Label each device you use in your diagram. (3) 2 c Judy sets file permissions on her online documents. Which one of these is a benefit of doing this?     A    Improves encryption     B     Increases storage     C    Quicker backup     D    Secures data (1)       2 d Describe how a CAPTCHA test reduces the function of malware. (2) 2 e Explain one positive impact of cloud-based services on learning. (2) 2 f Describe how mobile broadband can be used to provide access to cloud-based services. (2) 2 g Give one reason why Judy should use mobile broadband. (1) 2 h Explain one benefit of using wired connectivity. (2)     [15]

3 Eunice installs some software on her laptop.   3 a Write the Utility Software and next to it the corresponding correct Purpose all under number 3a.     Utility Software Purpose     compression protect from viruses       create copies of files     backup Blocks IP addresses       reduces size of files     anti-malware converts file types (3) 3 b Which one of these types of devices can have software installed to it?     A    Memory     B    OMR Reader     C    Processor     D    Storage   (1) 3 c Explain one benefit to Eunice of updating her software regularly.   (2) 3 d Eunice is travelling by train. She connects to the Internet using the train’s Wi-Fi connection. Explain why the Wi-Fi provider blocks video streaming.   (2) 3 e The Internet has provided a wider range of entertainment and leisure opportunities. One example is video and audio streaming. State two other examples.   (2) 3 f Eunice changes her laptop’s GPS settings. Which one of these statements is true?     A    GPS is used by all digital devices     B     GPS does not use an Internet connection     C    GPS uses cloud computing     D    GPS is better if opensource software is used   (1) 3 g Eunice writes a blog. Eunice wants visitors to her blog to see posts that are likely to be relevant to them. Describe how cookies can be used to achieve this. (4)     [15]

This is a final upload question in case you had problems. Contact exam connect for help if necessary.

Sam wants to use a form to add extra hotels to the HOTEL table. A1 a Create a form for the HOTEL table. The form must:   A1 (a)i include a suitable title, blue text on light background 3 A1 (a)ii Contain all the fields 1 SAVE the form as HOTEL_FORM   TAKE a screenshot of your form in design view showing the changes in field widths.   PASTE the screenshot into TASK A1 and save  

TAKE a screenshot of the completed form. PASTE the screenshot into TASK A1 and save

3 Eunice installs some software on her laptop.   3 a Write the Utility Software and next to it the corresponding correct Purpose all under number 3a.     Utility Software Purpose     compression protect from viruses       create copies of files     backup Blocks IP addresses       reduces size of files     anti-malware converts file types (3) 3 b Which one of these types of devices can have software installed to it?     A    Memory     B    OMR Reader     C    Processor     D    Storage   (1) 3 c Explain one benefit to Eunice of updating her software regularly.   (2) 3 d Eunice is travelling by train. She connects to the Internet using the train’s Wi-Fi connection. Explain why the Wi-Fi provider blocks video streaming.   (2) 3 e The Internet has provided a wider range of entertainment and leisure opportunities. One example is video and audio streaming. State two other examples.   (2) 3 f Eunice changes her laptop’s GPS settings. Which one of these statements is true?     A    GPS is used by all digital devices     B     GPS does not use an Internet connection     C    GPS uses cloud computing     D    GPS is better if opensource software is used   (1) 3 g Eunice writes a blog. Eunice wants visitors to her blog to see posts that are likely to be relevant to them. Describe how cookies can be used to achieve this. (4)     [15]

Upload question 1 Upload your PDF document here and label it: SURNAME_NAME_GRDS_GR10 E_SBA_008a_NOVEX_PAPER 1_QUESTION 1

Consider the following table that lists the orthobaric densities of the liquid and gaseous phases of trimethysilane in equilibrium along the liquid–vapor coexistence curve as a function of temperature: Liquid Gas T (K) ρ (g/cm3) T (K) ρ (g/cm3) 353.64 0.56470 353.55 0.01558 362.59 0.55200 360.30 0.01819 372.71 0.53670 367.21 0.02135 383.15 0.51982 367.32 0.02173 392.20 0.50395 372.18 0.02429 397.43 0.49415 376.94 0.02712 407.96 0.47268 387.19 0.03410 418.68 0.44718 389.70 0.03600 423.46 0.43276 397.35 0.04292 424.05 0.43241 405.44 0.05120 428.46 0.41881 407.74 0.05408 433.91 0.39943 413.30 0.06118 439.60 0.37373 418.56 0.06922 445.29 0.33434 418.73 0.06932 447.75 0.29942 424.37 0.07947 447.84 0.29732 429.94 0.09185 433.08 0.10000 434.70 0.10485 441.72 0.13289 443.55 0.14343 444.65 0.15128 445.36 0.15728 446.02 0.16344 446.63 0.17025 447.21 0.17830 447.36 0.18085 447.84 0.18954 448.14 0.19769 448.33 0.20482 Open the Microsoft Excel spreadsheet that is attached below and use it as a template to answer the following questions:CHM 4410 Exam 3 Question 4 Template.xlsx  (a) Plot the orthobaric densities of the liquid and gaseous phases of trimethylsilane as a function of temperature and fit the entire density data for both phases, individually, to a generic nth-degree polynomial (n = 5 or 6) using the built-in polynomial fitting function in Microsoft Excel. Include the equation (with ≥ 15 decimal places for the coefficients) and R2 value for the best-fit line for both plots.(b) Determine precise values for the critical temperature (in K), critical density (in g/cm3), and critical molar volume (in L/mol) of trimethylsilane (M = 74.20 g/mol). Hint: Use the Newton–Raphson method.Attach the raw Microsoft Excel spreadsheet containing your attempt of this question in XLS or XLSX format below. There should only be one graph for this question.

  QUESTION 4  (65)   CIVIL DRAWING   GIVEN:  The incomplete FLOOR PLAN of an office showing the outline of the walls, the positions of all the features, notes, and dimensions. A door and window schedule. A table of electrical symbols. A Reference Point A on the floor plan.   FLOOR PLAN INSTRUCTIONS: Answer this question on an A3 page. Draw the floorplan to a scale of 1:50 and according to the specifications. Reference Point A is 70 mm from the left of the page and 70 mm from the bottom of the page Show ALL the following features on the drawing: ALL the wall hatching detail. The sliding door (D1), doors (D2), and windows (W1+W2) ALL electrical features with the numbers, as indicated on the incomplete floor plan. The drawings must comply with the guidelines contained in the SANS 10143. Name the drawing OFFICE FLOORPLAN and add the SCALE.   SPECIFICATIONS FOR FLOOR PLAN: Load-bearing walls are 220 mm. Non-load bearing walls are 110 mm.   SECTIONAL STRIP FOUNDATION INSTRUCTIONS: Draw to scale of 1:10, a section through a load-bearing wall, and show all the details. (Foundation to slab) Add labels to FOUR parts of the drawing. Add the title and scale. Show FOUR dimensions on your drawing. START your drawing next to the floorplan.   SPECIFICATIONS FOR STRIP FOUNDATION: Foundation 600 mm wide x 250 mm high. Load-bearing wall 220 mm high. Foundation to floor slab 330 mm (from top of foundation to the bottom of the floor) The floor slab and hardcore filling are 85 mm thick. Screed is 25 mm thick.     Right-click on the button below to open QUESTION 4 FIGURE on a new page.    

Consider the following table that provides the vapor pressure of a liquid substance at various temperatures: Temperature (°C) Pressure (mmHg) 5.0 169.52 10.0 213.28 15.0 266.15 20.0 329.66 25.0 405.41 30.0 495.16 35.0 600.88 Open the Microsoft Excel spreadsheet that is attached below and use it as a template to answer the following questions:CHM 4410 Exam 3 Question 1 Template.xlsx  (a) Construct a digital Clausius–Clapeyron plot using this data. Assume that the molar enthalpy of vaporization is constant over the considered temperature range. Include the equation and R2 value for the best-fit line.(b) Calculate the molar enthalpy of vaporization (in kJ/mol) for the substance.(c) Determine the standard boiling point (in °C) of the substance.(d) Determine the standard boiling point (in °C) of a 4.00-m solution containing a nonelectrolyte dissolved in the substance (M = 84.93 g/mol).Attach the raw Microsoft Excel spreadsheet containing your attempt of this question in XLS or XLSX format below. There should only be one graph for this question.