Course record COMPSCI

COMPSCI 143A

Principles of Operating Systems

University of California-Irvine

6,274 grades43 sections7 professors
Grades: 2014–2025
Flunk Score16/100
Needs work

Professors 7 of 7

R. Klefstad 270 grades · 2 terms · 2015–2016 3.27GPA
54.8% A
28.5% B
10.0% C
3.3% D
3.3% F

270 letter grades · 2 sections · 2015–2016

Compare with the course
Klefstad vs. the course average
A +10.5
B −7.0
C −4.2
D −1.2
F +1.9

Difference in percentage points.

0.0% withdrew · 0 of 270 enrolled.

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A. Burtsev 994 grades · 6 terms · 2017–2021 3.24GPA
46.0% A
39.8% B
10.1% C
1.8% D
2.3% F

994 letter grades · 6 sections · 2017–2021

Compare with the course
Burtsev vs. the course average
A +1.7
B +4.3
C −4.2
D −2.7
F +0.9

Difference in percentage points.

Each term against the course average
Winter 2017Fall 2021

0.4% withdrew · 4 of 998 enrolled.

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L. Bic 2,242 grades · 19 terms · 2014–2024 3.19GPA
52.5% A
24.5% B
16.5% C
5.4% D
1.1% F

2,242 letter grades · 19 sections · 2014–2024

Compare with the course
Bic vs. the course average
A +8.2
B −11.0
C +2.3
D +0.8
F −0.3

Difference in percentage points.

Each term against the course average
Summer 2014Fall 2024

0.0% withdrew · 1 of 2,243 enrolled.

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N. Venkatasubrama 834 grades · 4 terms · 2015–2025 3.19GPA
41.2% A
39.9% B
15.0% C
3.4% D
0.5% F

834 letter grades · 4 sections · 2015–2025

Compare with the course
Venkatasubrama vs. the course average
A −3.0
B +4.4
C +0.8
D −1.2
F −0.9

Difference in percentage points.

Each term against the course average
Spring 2015Spring 2025

0.1% withdrew · 1 of 835 enrolled.

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D. Kalashnikov 106 grades · 1 term · 2014 3.10GPA
26.4% A
59.4% B
12.3% C
1.9% D
0.0% F

106 letter grades · 1 section · 2014

Compare with the course
Kalashnikov vs. the course average
A −17.9
B +23.9
C −2.0
D −2.7
F −1.4

Difference in percentage points.

0.0% withdrew · 0 of 106 enrolled.

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A. Amiri Sani 1,703 grades · 10 terms · 2016–2025 3.05GPA
35.2% A
43.9% B
14.1% C
5.6% D
1.3% F

1,703 letter grades · 10 sections · 2016–2025

Compare with the course
Sani vs. the course average
A −9.1
B +8.3
C −0.1
D +1.0
F −0.1

Difference in percentage points.

Each term against the course average
Spring 2016Winter 2025

0.5% withdrew · 8 of 1,711 enrolled.

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C. Parra Gonzalez 125 grades · 1 term · 2025 2.68GPA
20.0% A
51.2% B
13.6% C
10.4% D
4.8% F

125 letter grades · 1 section · 2025

Compare with the course
Gonzalez vs. the course average
A −24.3
B +15.7
C −0.6
D +5.9
F +3.4

Difference in percentage points.

0.0% withdrew · 0 of 125 enrolled.

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