Final Exam Model Paper 2

Name the Python function that tells you the type of a value.

Which Python keyword begins the definition of a function?

Sujan pushed the brightness of his photo of a match far up, and the white clouds became flat white with no detail. Why can’t he get the detail back by lowering the brightness again?

The football scoreboard’s micro:bit dims its LEDs when the light level is low. While Bina holds the board with her thumb across its top row of LEDs, display.read_light_level() gives 0, though the ground is in bright sun. Why?

Write one CSS rule that makes the text of every paragraph on a page 18 pixels high.

The school song, 4 minutes long, is saved as an MP3 at 128 kbit/s, which takes about 938 KB a minute. About how big is the file?

This program sorts runners into standards by their 100 m time. Asha runs 100 m in 12.1 seconds, but the program says “Bronze standard”. Why, and how should it be fixed?

time = float(input("Time for 100 m, in seconds: "))if time < 16:    print("Bronze standard")elif time < 14:    print("Silver standard")elif time < 12.5:    print("Gold standard")

At sports week, the school needs two jobs done by computer: i. giving 5, 3 and 1 points to the houses that come first, second and third; ii. telling from a photo whether a jumper’s foot crossed the long-jump board. Which job needs a model that learns from data? Give a reason.

For a cross-country race at a school in Ilam, Kabita wrote:

laps = 6print("You ran " + laps + " laps")

• i.Python stops with an error. Name the kind of error, and say why it happens.
• ii.Rewrite line 2 so that it prints You ran 6 laps.

At the Dhankuta district sports meet, the announcer’s laptop shows each result. Write a program that asks for a runner’s name and her time in seconds (which may have a decimal), and prints a line like Asha Yadav: 100 m in 12.5 seconds.

A school in Janakpur prints seat slips for its drama night:

def ticket(name, seat="Back"):    return name + ": " + seat + " row" print(ticket("Sunita", "Front"))print(ticket("Rajesh"))

• i.Write the output.
• ii.Bishal adds the line print(ticket()). What happens, and why?

At sports week, a house gets 5 points for first place, 3 for second, 1 for third, and 0 otherwise. Write a function points(position) that returns a house’s points for one event, and use it to print the total points of Red House, which came first in the relay and third in the tug of war.

The school magazine, sold for Rs 50, wants to use Suyash.dwivedi’s photo of the Janaki Mandir from Wikimedia Commons, cropped to fit the cover. The photo is licensed CC BY-SA 4.0.

• i.May the school crop the photo and use it in a magazine that is sold? Give a reason.
• ii.Write the credit line the magazine should print.

For the sports-week walking challenge, Sapana ties a micro:bit to her shoe:

from microbit import *steps = 0while True:    if accelerometer.was_gesture("shake"):        steps = steps + 1    if button_a.was_pressed():        display.scroll(steps)

• i.She walks once round the track, then presses A. What does the display show while she walks, and what does it show after she presses A?
• ii.Why might its count be different from the number of steps she really took?

What is sensitive personal data? Write any two examples.

A video is shared in Bina’s family group: a famous Nepali cricketer says that a new app “doubles your money in a month”. Bina’s uncle wants to put Rs 20,000 in at once. Bina says they should check first. Judge what each of them wants to do, with a reason.

At Tihar, Grade 8 students go from house to house playing Deusi to raise money for their school library. They want a program that asks for the gift at each house (in rupees) until they type 0 at the end of the evening, and then prints the number of houses, the total, and the biggest gift, and “Enough for the library books!” if the total is Rs 5,000 or more.

• i.Write the program. (3)
• ii.Which variable is the “highest so far”? Why may it start at 0 here? (1)

In the high jump at a school in Kathmandu, four students cleared these heights, in centimeters: 125, 110, 130, 105. Sort them from smallest to biggest with bubble sort.

• i.Show the list after each comparison of the first pass. (2)
• ii.Show the list after each pass. After how many passes does bubble sort stop, and why? (1)
• iii.How many swaps did it make in all? (1)

Read the web page and its style sheet, and answer the questions that follow.

<!DOCTYPE html><html lang="en">  <head>    <meta charset="utf-8">    <title>Sports Week Results</title>    <link rel="stylesheet" href="style.css">  </head>  <body>    <h1>Sports Week Results</h1>    <table>      <tr>        <th>Event</th>        <th>Winner</th>      </tr>      <tr>        <td>100 m race</td>        <td class="winner">Asha Yadav</td>      </tr>      <tr>        <td>Long jump</td>        <td class="winner">Bibek Mahato</td>      </tr>    </table>  </body></html>

.winner {  color: #006400;}

• i.What is the difference between the <th> cells and the <td> cells? (1)
• ii.What does the CSS rule select, and what does it do? (1)
• iii.On a phone, the whole page looks tiny and has to be zoomed. Which line is missing, and where does it go? (1)
• iv.Sanjay wants to use a table to put a photo on the left of the page and the text on the right. Why is this a bad idea? (1)

Read the given passage and answer the questions that follow.

Last month, Sabita in Dhanusha wrote her speech for the sports week prize-giving on the family laptop, and her coach sent her the team photo in a chat app. Now, the night before the event, she can’t find either. All her files are in Downloads, with names like speech final.docx and IMG_2231.jpg.

• i.She remembers only that the speech was a document she saved last month. How can a search help her find it? (1)
• ii.Where should she look for the photo her coach sent? (1)
• iii.Why is Downloads not a good home for her files? (1)
• iv.Write a good folder path for the speech, following the rules for a folder tree. (1)

Free throws. To join the school basketball team, each student takes 5 free throws. Write a program that:

• asks after each throw whether it went in or out;
• if anything else is typed, asks again until the answer is in or out;
• at the end, prints the score out of 5, and “Selected for the school team!” if the score is 3 or more, otherwise “Keep practicing!”.

Run it in front of the teacher with the answers in, out, in, inn, in, out (the fourth answer is a typing mistake).

# Free throws: write your program herescore = 0

The entry fee. Each event at sports week costs Rs 20 to enter. This program should tell a student what to pay. Run it, and type 3 for the number of events.

fee = 20events = int(input("How many events will you enter? "))total = Fee * eventsprint("Pay Rs", total)

• i.Write the kind of error and the line Python names.
• ii.Say why it happens.
• iii.Fix the program.
• iv.Test it with 1, 3 and 0 events: write what each should print first, then run it.

A page about the Janaki Mandir. Make a small web page for visitors to Janakpur with:

• a title, and a main heading;
• a sentence or two about the Janaki Mandir;
• a list of three things a visitor can see or do in Janakpur;
• the photo janaki-mandir.jpg, of the temple, with alt text;
• at least one CSS rule in the style sheet that changes how the page looks.

Show it to the teacher, on a phone width as well.

Viva. The teacher asks each student about their own work, for example:

• i.In your free throw program, why is there a while loop inside the for loop? What would happen if its condition used or instead of and? (2)
• ii.In the entry fee program, how did Python’s error message lead you to the bug? Say what its last line told you, and what the lines above it told you. (2)
• iii.What does the rule img { max-width: 100%; } do on a phone, and why is it needed? (2)