A1 - Hardware

Question 1

Multi-functional device

Answer 1

A device that does more than one thing

EX) Supermarket self service checkout

Question 2

Motherboard

Answer 2

Connects all other devices and transfers data across bus.

Uses PCB to send the data around the system.

Question 3

Random Access Memory (RAM)

Answer 3

Used to speed up a computer system.
Operates at a much faster speed.
Volatile
Stores software and files.

Question 4

Hard Drive

Answer 4

Stores data.
Hard Disk Drive (HDD) - use disks to store data
Solid State Drive (SSD) - saves data using silicon chips

Question 5

Central Processing Unit (CPU)

Answer 5

The brain of the computer.

Retrieves and executes instruction and data.

Question 6

Control Unit (CU) - Main Person

Answer 6

Part of the hardware that’s in charge.
Directs the computer system to execute stored program instructions and converts them into timing and controls signals.
Communicates with other parts of hardware.

Question 7

Arithmetic and Logic Unit (ALU) - Programmer

Answer 7

Performs actual calculations.

Once the CU makes the connection between devices, ALU does the rest.

Question 8

Registers/Memory - Filing Clerk

Answer 8

Stores all the processes that have been completed by ALU (ready to be sent)

Question 9

System On A Chip

Answer 9

Built with CPU, GPU, Memory, Storage on a single Integrated Circuit.
Main Memory is LPDDR RAM and Flash Memory.
Mobile CPU is ARM.

Question 10

Servers

Answer 10

A computer that manages access to resources over a network.

EX) Web server, Media Server, Gaming Server, Cloud Server.