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Components of Computer > Components of a computer > Flashcards

Components of a computer Flashcards

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?

A

Can be electronically erased and rewritten

22
Q

What is memory access time?

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

2. measured in nanoseconds

23
Q

What are Expansion slots?

A

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

24
Q

What are ports?

A

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

25
Q

What are connectors?

A

Joins a cable to a port

26
Q

What is serial port?

A

Transmit 1 data at a time

27
Q

Why is serial port not as good?

A

It has a slow connection

28
Q

What is parallel port?

A

Port placed in parallel that can transfer more data

29
Q

What is a USB port?

A

Port that can connect up to 127 different peripherals

30
Q

What are the examples of USB port?

A

2.0 , 3.0

31
Q

what are buses?

A

Channel that allows devices inside a computer to communicate with one another.

32
Q

What are the examples of buses?

A

Data Bus, Address Bus

33
Q

What are bus width?

A

It determines the number of bits transmitted at one time = word size

34
Q

How is bus width good?

A

The wider the bus width, the faster the transfer rate,

35
Q

What is FlyWire Bus?

A

Connects multiple types of devices that require faster data transmission speed

36
Q

How many devices is allowed for FlyWire Bus

A

up to 63 devices

37
Q

What is PCIe Express Bus?

A

High speed serial expansion interface with single architecture

38
Q

What does PCIe do?

A

It sends data along the serial data paths called lanes

39
Q

What is Bay?

A

area inside the system unit which can install additional equipment - add extra cards.

40
Q

What is a motherboard?

A

Circuit board that contains the processor and memory chips

41
Q

What is a chip

A

Small piece of SCM that contains many microscopic pathways that carries electrical current

42
Q

Where is the chip located?

A

Within the motherboard

43
Q

What is a processor?

A

AKA CPU that interpret and carries out instructions

44
Q

What does the processor contain?

A

CU and ALU

45
Q

What are Dual core and Multi Core?

A

Dual core - 1 chip w 2 processor

Multi Core - 1 chip w 2 or more processor

46
Q

How is Multi Core better?

A

It runs at a slower clock speed but improves the overall performance.

47
Q

What is pipelining?

A

Multi tasking process that fetches 2nd set of instructions before the 1st is finished.

48
Q

What is a CPU register?

A

Temp high speed storage that holds data and instructions

49
Q

What are the 4 types of register?

A
  1. Data
  2. Adress
  3. Instruction
  4. Instruction Address
50
Q

What are the 4 cycles of machine Cycle?

A
  1. Fetch
  2. Decode
  3. Execute
  4. Store

Components of Computer (1 decks)

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