Final Exam Study Cards

Question 1

Code

Answer 1

language the computer can understand

Question 2

Number of bits in a byte

Answer 2

8

Question 3

How many distinct patterns can be stored with 1 bit?

Answer 3

2

Question 4

How many distinct patterns can be stored with 3 bits

Answer 4

8

Question 5

Using the 24-month version of Moore’s law, in 6 years chip capacity increases by

Answer 5

8x greater

Question 6

When Firefox.exe is double clicked, the _______ instructions inside Firefox.exe are copied to ______ where the __________ runs them

Answer 6

Machine code; RAM; CPU

Question 7

Give an example of a computer hardware component that provides persistent storage

Answer 7

SD card

Question 8

_____ code runs directly on the CPU

Answer 8

Machine

Question 9

To change the operation of a program, change its _______ code

Answer 9

Source

Question 10

What is the benefit of a checksum scheme for packets

Answer 10

Checksum schemes double check the transmission of packets to make sure the packet was received correctly.

Question 11

On an ethernet LAN, what does a rogue computer do to intercept packets intended for someone else on the LAN

Answer 11

Pick up and hold on to packets that aren’t addressed to them.

Question 12

Suppose we have a 300 mbps Wi-Fi LAN, which is the upper end of Wi-Fi currently. How many megabytes per second can it carry, ignoring all overhead

Answer 12

37.5 megabytes

Question 13

What one of the following is not a standard: TCP/IP, JPEG, Microsoft Windows, HTML

Answer 13

Microsoft Windows

Question 14

The first router to get a packet computes the end-to-end route for that packet. (true or false):

Answer 14

False

Question 15

Give an example of a domain name

Answer 15

www.google.com

Question 16

A router receives a packet and sends it _________ closer to its destination.

Answer 16

One-Hop

Question 17

If the frequency of a note doubles, how does that change how it sounds

Answer 17

the sound is higher

Question 18

What is the name of the supervisory system on a computer that starts and manages programs running on the computer

Answer 18

Operating System

Question 19

Using the 24-month version of Moore’s law, in 8 years chip capacity increases by:

Answer 19

16x

Question 20

Kilobyte

Answer 20

KB, about 1 thousand bytes

Question 21

Megabyte

Answer 21

MB, about 1 million bytes

Question 22

Gigabyte

Answer 22

GB, about 1 billion bytes

Question 23

Terabyte

Answer 23

TB, about 1 trillion bytes (rare)