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Computer Architecture Flashcards | StudBud
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Computer Architecture
Computer Architecture
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Answers
1
If a CPU has many cores, this slows down the computer.
True
False
2
Identify an event that takes place during the fetch-execute cycle.
.
The instruction is then stored in the hard drive
The process is NOT repeated
The program counter is incremented
3
What is meant by a clock speed of 3.8 GHz?
The number of FDE cycles run per given time,3.8 billion cycles/ sec
How fast the computer is // speed of CPU
3.8 = 3,800,000,0000
This means the number of instructions it can process per minute
4
Identify one benefit of a dual-core processor over a single-core processor
Allows multitasking // Tasks can be split between the processors
Dual-core uses more battery power than a single-core processor in a laptop
Dual-core will use less ROM than a single-core processor
more processes completed per minute
5
Performs the mathematical operations
Arithmetic Logic Unit (ALU)
Cache
Control Unit (CU)
Register
6
Identify an internal component that could improve the performance of a computer.
upgrade to a wireless keyboard
Use a floppy disk
plug
Increase RAM
7
The hard disk drive is part of the CPU
False
True
8
A small piece of memory inside the processor that can hold one instruction or address
Register
Arithmetic Logic Unit (ALU)
Control Unit (CU)
Cache
9
The CPU fetches and decodes instructions
True
False
10
Virtual memory can compensate for the lack of RAM in a computer. How?
When RAM is full, part of the hard drive is used temporarily as RAM/VM
Moving data between RAM and VM takes the processor less time
When data in VM is needed it is moved back to ROM
Virtual memory is faster to access than RAM
11
The Control Unit (CU)
A small piece of memory inside the processor that can hold one instruction
Performs the mathematical operations
Keeps the Clock in sync
Sends Signals to direct the operations
12
The speed of a CPU is usually measured in GigaHertz (GHz)
True
False
13
Identify the differences between RAM and ROM.
.
RAM stores instructions permanentlyROM stores programs currently running
RAM stores currently running instructions/programs ROM stores the bootup
.
14
Identify one way CPU and RAM work together to enable a tablet computer to operate.
Instructions / programs(currently running) / data are stored in the RAM
Instructions are decoded and stored in ROM
.
The instructions are fetched from the CPU into ROM by the hard drive
15
Identify differences between RAM and ROM.
RAM is volatileROM is non-volatile
RAM is non-volatileROM is volatile
16
Identify the purpose of registers that are used by Von Neumann architecture
Program counterStores the address of the next instruction to be run
HDDStores data and programs in secondary storage
ROMStores the bootup sequence
