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Components of Computer > Components of a computer > Flashcards

Components of a computer Flashcards

(50 cards)

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1
Q

What are the 3 coding systems?

A
  1. ASCII
  2. ENCIDIC
  3. UniCodc
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2
Q

What are the 2 main types of memory?

A
  1. RAM

2. ROM

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3
Q

What is RAM?

A
  1. Random Access memory

2. Volatile Memory

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4
Q

What are the 4 types of RAM?

A

Dynamic RAM
Static RAM
Magnetoresitive RAM

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5
Q

What is Dynamic RAM

A

Have to be dynamically refreshed all the time

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6
Q

What is SIMMS?

A

Single inline Memory Module System

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7
Q

What is DIMMS?

A

Dual Inline Memory Module System

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8
Q

Where does memory IC reside?

A

Inside the Memory slots within the motherboard

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9
Q

what is SODIMMS?

A

Small Outline Memory Module System

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10
Q

What is RIMMS?

A

RamBUS Inline Memory Module System

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11
Q

Why is RIMMS good?

A

It uses a special memory bus to greatly increase speed

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12
Q

why is DRAM not good?

A

Since it have to dynamically refreshed all the time, it will take time and slow down process.

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13
Q

What is parity Checking?

A

addition of 0/1s to make it even/odd

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14
Q

What is error Control?

A

Error correction code which can be corrected after failure

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15
Q

Why is error control not as efficient?

A

> 1 byte corrupted = all info lost

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16
Q

Why is Static RAM good?

A
  1. Fast and reliable

2. it also speeds up the processor

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17
Q

What is static RAM used for?

A

Cache Memory

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18
Q

What is ROM?

A

Read Only Memory that stores permanent data and instructions

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19
Q

Why is ROM efficient?

A
  1. Non-Volatile - data will not be lost if power is off
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20
Q
  1. What are the 3 types of ROM?
A
  1. ROM
  2. PROM (programmable)
  3. EEPROM (Electrically Erasable programmable)
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21
Q

What is flash memory?

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A

Can be electronically erased and rewritten

22
Q

What is memory access time?

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A
  1. Time taken for processor to read the data from memory

2. measured in nanoseconds

23
Q

What are Expansion slots?

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A

Slots to put graphic card, memory card which is located within the motherboard

24
Q

What are ports?

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A

A point which peripheral attaches to or communicate with a system unit

25
What are connectors?
Joins a cable to a port
26
What is serial port?
Transmit 1 data at a time
27
Why is serial port not as good?
It has a slow connection
28
What is parallel port?
Port placed in parallel that can transfer more data
29
What is a USB port?
Port that can connect up to 127 different peripherals
30
What are the examples of USB port?
2.0 , 3.0
31
what are buses?
Channel that allows devices inside a computer to communicate with one another.
32
What are the examples of buses?
Data Bus, Address Bus
33
What are bus width?
It determines the number of bits transmitted at one time = word size
34
How is bus width good?
The wider the bus width, the faster the transfer rate,
35
What is FlyWire Bus?
Connects multiple types of devices that require faster data transmission speed
36
How many devices is allowed for FlyWire Bus
up to 63 devices
37
What is PCIe Express Bus?
High speed serial expansion interface with single architecture
38
What does PCIe do?
It sends data along the serial data paths called lanes
39
What is Bay?
area inside the system unit which can install additional equipment - add extra cards.
40
What is a motherboard?
Circuit board that contains the processor and memory chips
41
What is a chip
Small piece of SCM that contains many microscopic pathways that carries electrical current
42
Where is the chip located?
Within the motherboard
43
What is a processor?
AKA CPU that interpret and carries out instructions
44
What does the processor contain?
CU and ALU
45
What are Dual core and Multi Core?
Dual core - 1 chip w 2 processor | Multi Core - 1 chip w 2 or more processor
46
How is Multi Core better?
It runs at a slower clock speed but improves the overall performance.
47
What is pipelining?
Multi tasking process that fetches 2nd set of instructions before the 1st is finished.
48
What is a CPU register?
Temp high speed storage that holds data and instructions
49
What are the 4 types of register?
1. Data 2. Adress 3. Instruction 4. Instruction Address
50
What are the 4 cycles of machine Cycle?
1. Fetch 2. Decode 3. Execute 4. Store

Components of Computer (1 decks)

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