Computer Science Class X Model Paper I (MCQ)

Step 1: Start
Step 2: A = 18
Step 3: B = 4
Step 4: A = A / B
Step 5: If A > 3 then
          B = B * 2
        Else
          B = B - 1
        EndIf
Step 6: A = A + B
Step 7: Output A
Step 8: Stop

Step 1: Start
Step 2: N = 12
Step 3: If N % 4 == 0 then
          N = N - 1
        Else if N % 3 == 0 then
          N = N + 2
        Else if N < 10 then
          N = N * 2
        Else
          N = N + 1
        EndIf
Step 4: Output N
Step 5: Stop

Step 1: Start
Step 2: S = 0
Step 3: For i = 1 to 4 do
          If i % 2 == 1 then
            S = S + i
          Else
            S = S - 1
          End If
        End For
Step 4: Output S
Step 5: Stop

Step 1: Start
Step 2: A = 2
Step 3: B = 5
Step 4: Do
          A = A * B
          If A > 20 then
            B = B - 2
          Else
            B = B + 1
          EndIf
        While (A < B * B)
Step 5: Output A - B
Step 6: Stop

Step 1: Start
Step 2: List = [4, 7, 2, 9, 5]
Step 3: Target = 9
Step 4: Found = -1
Step 5: For i = 0 to 4 do
          If List[i] == Target then
            Found = i
            Break
          EndIf
        EndFor
Step 6: Output Found
Step 7: Stop

Step 1: Start
Step 2: List = [3, 6, 9, 12, 15, 18]
Step 3: Target = 15
Step 4: Low = 1
Step 5: High = 6
Step 6: Found = -1
Step 7: For k = 0 to 3 do
          Mid = (Low + High) / 2
          If List[Mid] == Target then
            Found = Mid
            Break
          Else if List[Mid] < Target then
            Low = Mid + 1
          Else
            High = Mid - 1
          EndIf
        EndFor
Step 8: Output Found
Step 9: Stop

Step 1: Start
Step 2: List = [5, 1, 4, 2]
Step 3: For i = 0 to 3 do
          If List[i] > List[i + 1] then
            Swap List[i] and List[i + 1]
          EndIf
        EndFor
Step 4: Output List
Step 5: Stop

<button id="btn">Run</button>
<script>
const msg = "Task completed!";
document.getElementById("btn").onclick = () => window.alert(msg);
</script>

<script>
  const u = "Hello";
  const v = 42;
  const w = 9007199254740993;
  const x = true;
  let y;
  const z = null;
  console.log({ u, v, w, x, y, z });
</script>

<script>
  let total = 10;
  const add = 5;
  total += add;
  total += 2;
  document.write(total);
</script>

<script>
  let score = 50;
  score -= 10;
  score += 5;
  score /= 5;
  score *= 4;
  document.write(score);
</script>

<script>
  const a = 7, b = 10;
  const r1 = a <= b;
  const r2 = a >= b;
  document.write(r1 + " " + r2);
</script>

<script>
const loggedIn = false, hasToken = true;
const canAccess = loggedIn || hasToken;
document.write(canAccess);
</script>

<script>
  const values = [2, 4, 1, 6, 3];
  let printed = 0;
  for (let i = 0; i < values.length; i++)
  {
    if (values[i] >= 4)
    {
      if (printed > 0) document.write(" ");
      document.write(values[i] * 2);
      printed++;
    }
  }
</script>