Computer Systems Hardware

Question 1

Rendering

Answer 1

Constructing the image on screen

Question 2

CD ROM

Answer 2

Compact disc read only memory

Question 3

Optical Drive

Answer 3

Allows you to use CDs, DVDs, BluRay - Use a laser to read/write the data

Question 4

DVD

Answer 4

Digital versatile disk

Question 5

KDD

Answer 5

mechanical spinning disk read/write head. Rotation speed: 5400-7200rpm (revolutions per minute

Question 6

SSD (Solid State Drive)

Answer 6

An electronic drive. Uses EEPROM(flash memory) electronically erasable programmable - phone, USB, digital camera - 2 tapes: Connected by SATA or M.2 NVME plugs into motherboard directly, non volatile

Question 7

Volatile

Answer 7

Volatile memory, in contrast to non-volatile, is computer memory that requires power to maintain the stored information. It retains its contents while powered on but when the power is interupted, the stored data is quickly lost

Question 8

Bit

Answer 8

0 or 1 (8 bits = 1 byte = 64 bit data pass/bus)

Question 9

Bus

Answer 9

Data path/channel

Question 10

Latency

Answer 10

input/output operations per second

Question 11

PCIe

Answer 11

Peripheral component interconnect express(type of bus)-data channel between devices

Question 12

Motherboard

Answer 12

Connects all hardware to your processor, distributes electricity from your power supply

Question 13

PSU - Power Supply Unit

Answer 13

Supplies electrical power to the PC’s components. Power measured in watts.. [No Power]

Question 14

RAM - Random Access Memory

Answer 14

Stores data that is being used and part of the operating system. [Blue Screen]. (VRAM = Video RAM).

Question 15

CPU - Central Processing Unit

Answer 15

Processes and executes instructions [Monitors not turning on]

Question 16

Heatsink

Answer 16

Properly removes heat from device components to improve device performance

Question 17

HDD

Answer 17

Store software programs, controls reading and writing of the hard disk that provides data storage

Question 18

SATA Cable

Answer 18

Connects Hard disk to motherboard

Question 19

Expansion slots

Answer 19

Allows you to add additional cards to your computer system

Question 20

USB - Universal Serial Bus

Answer 20

Connect mouse, keyboard

Question 21

HDMI

Answer 21

Provides an interface between any audio or video source

Question 22

VGA

Answer 22

Connect PC to monitor or keyboard

Question 23

Sound output

Answer 23

Connect speakers or headphones etc,

Question 24

Primary Memory

Answer 24

Section of computer memory that the CPU can access directly. Cache, RAM

Question 25

Secondary Memory

Answer 25

computer memory that is non-volatile, persistent and not immediately accessible by a computer or processor. HDD, Cloud, SSD

Question 26

SIMM

Answer 26

Single inline memory module

Question 27

DIMM

Answer 27

Dual inline memory module - Increase RAM - volatile memory

Question 28

Dynamic RAM

Answer 28

Requires constant power - has to be refreshed constantly

Question 29

SDRAM - Synchronous Dynamic RAM

Answer 29

Synchronised with the system clock - faster - DRAM not synchronised so its slower

Question 30

Bandwidth

Answer 30

How much data can be transferred

Question 31

RIMM

Answer 31

Rambus inline memory module

Question 32

DDR - Double Data Rate

Answer 32

DDR2 - higher speeds/uses less power. DDR3 - twice as fast as DDR2/less power than DDR2