This is CS50David J. Malan

malan@harvard.edu

introduction to the intellectual enterprises of computer science

and the art of programming

problem setsScratch!C!Crypto!Breakout!Forensics!Mispellings!Web Server!C$50 Finance!…

lectures

sections

capture50

office hours

from cluster to cloud to appliance

EC2 EC2...

EC2 EC2

ELB

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EC2 EC2

ELB

RDS

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EC2 EC2

ELB

RDS

VPC

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EC2 EC2

ELB

RDS

student

VPC

...

EC2 EC2

ELB

RDS

Route 53

student

VPC

...

EC2 EC2

ELB

RDS

SESRoute 53

student

VPC

...

S3

S3

CF

S3

student

CF

348815

CS50 Sandbox

CS50 Run

HTTP API

CS50 Check

first day

2:00pm: CS50x goes live

2:02pm: 500 users online

3:00pm: 10,000 users online

first day

30,000 students

6,000 discussions

8,000 replies to discussions

60,000 in-video questions answered

81% answered correctly

last day

150,349 students registered

100,953 students engaged

10,905 pset0 submissions

CS50 Fair 2014Mon 12/8, 11:30am – 4:30pm

This is CS50David J. Malan

malan@harvard.edu