Jeopardy

1
Jeopardy
Yellow
Orange
Green
Red
Blue
Violet
Indigo
2
Red

• 7 points
• 6 points
• 5 points
• 4 points
• 3 points

Binary Number Systems
3
R4

• Convert the ordinary number 31 to binary number

4
R5

• Convert the binary number 1011 to a base ten
  number.

5
R6

• Subtract 101 from 1100. Then convert the answer
  to base 10.

6
R7

• Add 1001 to 111 in base 2. Then convert the
  answer to base 10.

7
R3

• Explain what is a binary number system.

8
R2

• Name a physical change and a chemical change that
  can happen in everyday life inside the kitchen.

9
R1

• Distinguish between a pure substance and a
  mixture. Give an example of each.

10
Orange

• 7 points
• 6 points
• 5 points
• 4 points
• 3 points

Electronics
11
O4

• What gate does the symbol . stand for in
  electronics. Give an example of the possible
  inputs and output.

12
O5

• Describe the output for the following Boolean
  Algebra expression
• Y(A B) . (A)
• Given that the input for A is 0 and the input for
  B is 1.

13
O6

• Write down on board the truth table for the
  expression YAB.A

14
O7

• Convert and draw on board the following Algebraic
  expression to a circuit diagram
• YA.BA.CB

15
O3

• Name 2 major electronic gates to combine inputs A
  and B.

16
O2

• Approximately how many different kinds of
  elements are there?

17
O1

• Distinguish an atom of an element from a compound
  molecule.

18
Yellow

• 7 points
• 6 points
• 5 points
• 4 points
• 3 points

Set theory
19
Y4

• If A denotes the set of Tik2o male students, and
  B denotes the set of Tik2o students with
  spectacles. Give the name of a student who is in
  the set A intersect B.

20
Y5

• If A denotes the set of Tik2o male students, and
  B denotes the set of Tik2o students with
  spectacles. Give the name of a student who is in
  the set (not A) intersect B.

21
Y6

• If A denotes the set of Tik2o male students, and
  B denotes the set of Tik2o students with
  spectacles. What would be the universal set? Draw
  on board a Venn diagram representation of the
  universal set, A, B and also highlight the set A
  intersect B.

22
Y7

• Represent the set A U B by giving a concrete
  example of sets of objects.

23
Y3

• Explain what is the meaning of union,
  intersection and negation of 2 sets named A and B.

24
Y2

• Chlorine has an atomic mass notation of 35Cl17,
  how many protons does an atom of chlorine have in
  the normal state?

25
Y1

• What are the 3 major sub-atomic particles in an
  atom?

26
Green

• 7 points
• 6 points
• 5 points
• 4 points
• 3 points

Programming basics
27
G4

• Write down the command to store the values of 5
  times x less the value of y into a variable z.

28
G5

• Name 4 basic data types that are found in Turbo
  Pascal.

29
G6

• Write down the command that gives the value of
  the remainder when the variable x is divided by
  5.

30
G7

• Write down the command that will give a random
  integer number from 0 to 10.

31
G3

• Describe the command to output the value of
  variable X to the monitor.

32
G2

• How many electrons does a negative ion of
  flourine 19F9- has?

33
G1

• Alkali metals lose an electron to form a stable
  octet. True or false?

34
Blue

• 7 points
• 6 points
• 5 points
• 4 points
• 3 points

Repetitions and decisions
35
B4

• Consider the following statement
• If age gtminAge
• Then
• If income gt minIncome
• writeln(Accept)
• Else
• writeln(reject)
• What will the statement print if age is greater
  than minAge and income is less than minIncome?

36
B5

• How many will the following program fragment
  print?
• For i 1 to 5 do
• For j 1 to i do
• write()

37
B6

• What does the program fragment output?
• Last 5
• for count1 to Last do
• If odd(count) then
• Writeln(count2)

38
B7

• What does count signify after exiting the
  following program fragment?
• Count 0
• While num mod Divisor 0 do
• Begin
• Numnum div Divisor
• Countcount 1
• end

39
B3

• Name 3 commands or structure of statements that
  can result in loop action in a computer.

40
B2

• If atoms have electrons which are negatively
  charged, why are most materials neutral and do
  not show electrical attraction or repulsion?

41
B1

• Explain what is an insulator.

42
Indigo

• 7 points
• 6 points
• 5 points
• 4 points
• 3 points

Graphics
43
I4

• How many colors are there in Turbo Pascal
  Graphics unit?

44
I5

• Write a command to output Hello, World! to the
  middle of the screen on our computers using the
  Graphics unit. (not the CRT unit)

45
I6

• What commands are used to draw a circle at (100,
  100) and fill it with a solid color?

46
I7

• Write a command to draw a circle within a
  rectangle on the computer screen.

47
I3

• Write down the command to draw a line from the
  point (10,100) to (20,200).

48
I2

• 2 light bulbs are connected in series with a
  battery supplying the current. When one bulb is
  unscrewed, what happens to the brightness of the
  other bulb?

49
I1

• What are the units for measuring current,
  potential and resistance respectively?

50
Violet

• 7 points
• 6 points
• 5 points
• 4 points
• 3 points

General knowledge
51
V4

• What does the Acronym ROM stand for?

52
V5

• Name the 2 major types of monitors on a desktop
  computer.

53
V6

• What are the 3 major topologies in a computer
  network

54
V7

• Fibre optics use light to conduct information
  over vast distances. How many times can light
  travel round and round the circumference of earth
  in 1 second.

55
V3

• Name 3 different input devices.

56
V2

• Describe the path of earth in one year in the
  solar system.

57
V1

• Which is the nearest star to earth?