Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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question 15
Consider the following procedure.
Procedure Call
Explanation
drawLine (x1, y1, x2, y 2)
Draws a line segment on a coordinate grid with endpoints at coordinates (x1, yl) and (x2, y2)
The drawLine procedure is to be used to draw the following figure on a coordinate grid.
3
2-
1-
1 2
3.
4
9.
LO
4-
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Transcribed Image Text:Consider the following procedure. Procedure Call Explanation drawLine (x1, y1, x2, y 2) Draws a line segment on a coordinate grid with endpoints at coordinates (x1, yl) and (x2, y2) The drawLine procedure is to be used to draw the following figure on a coordinate grid. 3 2- 1- 1 2 3. 4 9. LO 4-
Which of the following code segments can be used to draw the figure?
xVal +
1
yval +
len + 1
REPEAT 5 TIMES
A
{
drawLine (xVal, yVal, xVal, yVal + len)
xVal + xVal + 1
len + len + 1
xVal + 1
yVal +
len + 1
REPEAT 5 TIMES
B
{
drawLine(xVal, yVal, xval + len, yVal)
yVal + yVal + 1
len + len + 1
xVal + 5
yVal + 0
len + 5
REPEAT 5 TIMES
C
{
drawLine (xVal, yVal, xVal, yVal + len)
xVal + xVal - 1
}
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Transcribed Image Text:Which of the following code segments can be used to draw the figure? xVal + 1 yval + len + 1 REPEAT 5 TIMES A { drawLine (xVal, yVal, xVal, yVal + len) xVal + xVal + 1 len + len + 1 xVal + 1 yVal + len + 1 REPEAT 5 TIMES B { drawLine(xVal, yVal, xval + len, yVal) yVal + yVal + 1 len + len + 1 xVal + 5 yVal + 0 len + 5 REPEAT 5 TIMES C { drawLine (xVal, yVal, xVal, yVal + len) xVal + xVal - 1 }
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