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IB Computer Science Unit 2 Flashcards | StudBud
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IB Computer Science Unit 2
IB Computer Science Unit 2
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Answers
1
What are the 2 types of primary memory?
RUM & RIM
RAM & RIM
RAM & ROM
ROM & RUM
2
Relative to RAM, which attributes of the cache are correct? (Generally speaking)
The cache is slower and smaller
The cache is faster and larger
The cache is faster but smaller
The cache is slower but larger
3
A single bit has how many possible states?
2
16
8
4
4
Given that inputs are on the left, and outputs are on the right, what gate is this?
AND
OR
XOR
NAND
5
Virtual memory acts as what?
All of the above
A persistent storage that holds data when the computer is turned off
A place to store all unused data
A secondary, slower version of RAM used when RAM is overloaded
6
Which of these are application software?
Web Browser
Word Processors
All of the above
Database Management Systems
7
What does "CPU" stand for?
Central Processing Union
Central Processing Unit
You're wasting time reading this.
Central Programming Unit
8
What system is used to represent colors?
Denary
Ternary
Hexadecimal
Binary
9
A "Bit" is short for "Binary Digit"
True
False
10
RAM is part of the CPU
False
True
11
Which of these is NOT a register within the CPU?
MDR
ALU
ACC
MAR
12
If A = 1, B = 0 and C = 1, what is X? (1 = TRUE, 0 = FALSE)
1
0
13
RAM is volatile, meaning data is not saved when the power is shut down. The opposite is true for ROM.
True
False
14
How bits would 4 bytes consist of?
32
4
26
16
15
Which register holds the address where data is to be taken from, or stored to RAM?
CIR
MDR
ACC
MAR
16
Which of the following is NOT a direct role of the operating system?
Mathematical Operations
Security
Memory Management
User Interface
17
How many different values could 3 Hexadecimal values represent?
255
4096
256
16
18
What is the purpose of the CPU?
To make up for the lack of processing power your brain has
To execute the fetch decode execute cycle
To assist in programming tasks
To display items from RAM
19
Which logic gate is this?
OR Gate
NOT Gate
XOR Gate
AND Gate
20
Unicode is used to do what that ASCII cannot do?
Represent characters in the English language
Cook Spaghetti
Represent characters from multiple languages
Represent numbers
