16 - Quiz¶

• Your name:

• Your VT email:

What happens when two strings are sent to this channel?

ch := make(chan string, 2)

• A. Both sends fail
• B. The second value overwrites the first
• C. The channel closes automatically
• D. Both values are stored in the buffer

In a buffered channel, when does a send operation block?

• A. When the buffer is empty
• B. When the buffer is full
• C. When a receiver exists
• D. When a goroutine starts

What is the purpose of the select statement in Go?

• A. To create new goroutines
• B. To wait on multiple channel operations simultaneously
• C. To select an if-condition
• D. To create buffered channels

In the bank account example, the balance variable is accessed only by the teller() goroutine. Why is this design useful?

• A. It allows multiple goroutines to modify the balance simultaneously
• B. It ensures only one goroutine modifies the balance, avoiding race conditions
• C. It eliminates the need for channels
• D. It automatically speeds up execution