Which of the following was the primary reason the relative slowness of interpretation of pseudocode

programs acceptable in the early $1950$ s$?$

It was not then known how to write efficient interpreters

Floating$-$point arithmetic operations were done in software

The machines were slow

Memories were too small

Question $4$

$5$ pts

What was the primary goal of the design of $C++?$

To allow programs to be organized as they could in SIMULA $67$

To provide more general features than C

To add array index range checking to $C$