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Computers quiz

All 9 questions. After you submit, each question shows the right answer and why. Back to the quick check

ExplorerQuestion 1 of 9

What values can a single bit have?

ExplorerQuestion 2 of 9

A computer follows a program — a list of instructions — to work with data.

InvestigatorQuestion 3 of 9

Which list matches the parts von Neumann described for a computing device in his 1945 EDVAC report?

InvestigatorQuestion 4 of 9

A bit has to be stored in something real. Which of these could hold one bit?

InvestigatorQuestion 5 of 9

A byte is eight bits. How many bits are there in 4 bytes?

ScientistQuestion 6 of 9

Why was it a powerful idea to keep a computer's instructions in the same memory as its data?

ScientistQuestion 7 of 9

Each bit can be 0 or 1. How many different patterns can a group of 3 bits make?

AdvancedQuestion 8 of 9

Computers typically store the letter 'A' as the bit string 01000001. What whole number does this binary pattern represent?

ExpertQuestion 9 of 9

The EDVAC report separates 'the specific instructions given for and defining a particular problem' from 'the general control organs' that carry instructions out. Explain why this separation is what makes a machine general-purpose, and one cost it introduces.