Intro to Computer Science Unit 2

Who invented the Analytical Engine, a machine that did calculations?

• Charles Darwin

• Charles Babbage

• Blaise Pascal

• Charles Dickents

Who created the idea of a general Purpose Computing Machine?

• Alan Turing

• Konrad Zuse

• Alan Alda

• Charles Dickens

Who created the earliest programmed machine?

• Alan Turing

• Charles Dickens

• Alan Alda

• Konrad Zuse

The ________ was the first all electronic computer.

• ENIAC

• Difference Engine

• PROLOG

• Turing Machine

In ________ the first computer ran a program from memory.

• 1942

• 1950

• 1948

• 1968

Which of the following correctly prints the following calculation if x is 17 and y is 5?

Sum is: 22

• print("Sum is: " + int(x + y))

• print("Sum is: " + str(x + y))

• print("Sum is: " + (x + y))

• print("Sum is: " + x + y)

What is the symbol for exponent?

• %

• ^

• **

• ""

What is the output?

a = 10

b = 23

print (a + b * a)

• 33

• 240

• 150

• 235

Which of the following is NOT a correct variable assignment?

• 5 + y = x

• x = x + 1

• test = 98

• name = "Ada"

Which of the following correctly does the calculation

 $7^6$  ?

• a = 7 % 6

• a = 7 ** 6

• a = 7 ^ 6

• a = 7 * 6