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IB CS 2.1 Review Flashcards | StudBud
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IB CS 2.1 Review
IB CS 2.1 Review
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1
Which of the following animals are the least dangerous to humans (if a human encounters the animal)?
box jellyfish
cape buffalo
saltwater crocodile
wolf spider
2
This component performs mathematical and logic operations within the computer.
Memory address register
Arithmetic Logic Unit
Control Unit
Program Counter
3
You need to store the results of a multiple choice question. Which data type is best from a memory efficiency standpoint
char
boolean
String
int
4
Which best represents the machine instruction cycle?
Decode, Execute, Fetch, Store
Fetch, Execute, Decode, Store
Fetch, Decode, Execute, Store
Excecute, Fetch, Decode, Store
5
Convert the binary 0110 1111 to hex.
4E
6F
4F
6E
6
How does the cache speed up the functioning of the CPU?
By swapping data between disk and RAM to expand the amount of RAM.
By keeping frequently used data in high speed registers on or near the CPU
By automatically sorting data for quick retrieval
By deleting old data from memory on a regular basis
7
Which of the following is NOT an example of secondary memory?
ROM
flash drive
CD ROM
hard disk
8
The photo shows a sleeping newborn ...
Wolf
Great Dane
Panda
Rat
9
Which logic gate does the Venn diagram represent?
AND
OR
XOR
NOR
10
Which of the following is NOT one of the roles of the operating system?
Machine learning
Peripheral communication management
File security
Memory management
11
Which logic gate does this Venn Diagram represent?
NOR
XOR
OR
AND
12
Where is the Operating System held when the computer is turned off?
hard disk
Control Unit
ROM
RAM
13
Convert 0011 0110 binary to base 10.
50
56
54
60
