Module 4: Computer Architecture

Question 1

1930s MIT grad who solved switching problems of circuit design

Answer 1

Claude Shannon

Question 2

Basic electronic components of a digital system

Answer 2

Digital logic circuits

Question 3

Series switch vs parallel switch

Answer 3

Series = p and q

Parallel = p or q

Question 4

1940s and 1950s technology led to the development of modern digital systems (ex calculators, telephone switching)

Answer 4

Electronic devices with the physical states of closed and open corresponding to electronic states, high and low voltage replaced switches

Question 5

Logic gates

Answer 5

Black box - contains detailed implementation of the circuit and is often ignored while attention is focused on the relation between input and output signals

Question 6

AND gate

Answer 6

May have more than 2 inputs

Question 7

OR gate

Answer 7

v

May have more than two inputs

Question 8

NAND gate

Answer 8

|
Shedder stroke
“Not and”

Question 9

NOR gate

Answer 9

Pierce arrow

“Not or”

Question 10

Order of operations:

Answer 10

( )
[NOT gate]
^ v | [NOR gate / XOR gate]

Question 11

George Boole

Answer 11

English mathematician / one of founders of symbolic logic

Name sake of Boolean

Question 12

Boolean variable

Answer 12

Any variable that can take only one of two values

Question 13

Boolean expression

Answer 13

Expression composed of Boolean variable and connectives

Question 14

Decimal:
Base ?
Digit values ?
Subscript ?

Answer 14

Base 10
each digit is a numb 0-9
Subscript 10

Question 15

Binary: 
Base ? 
Digit values ?
Postfix ?
Subscript ?

Answer 15

Base 2
Each digit is a num 0-1 (called a bit)
Postfix - b
Subscript 2

Question 16

Octal: 
Base ?
Digit values ? 
Postfix ? 
Subscript ?

Answer 16

Base 8
Each digit is a num 0-7
Postfix o
Subscript 8

Question 17

Hexadecimal:
Base ?
Digit values ?
Prefix ? 
Postfix ? 
Subscript ?

Answer 17

Base 16 
Digit is a num 0-9 or letter a-f (10-15) 
Prefix 0x
Postfix h 
Subscript 16

Question 18

Nibble

Answer 18

4 bits

Question 19

Byte

Answer 19

8 bits

Question 20

Word

Answer 20

16 bits

Question 21

Double word

Answer 21

32 bits

Question 22

Positional notation

Answer 22

Each num w/I set num system carries a different weight
Left = most sig
Right = least sig

Question 23

Order of magnitude

Answer 23

Scientific notation of very large numbers in which each order of magnitude is 10x the prev one