Chapter 1 - Types and components of computer systems

Question 1

Parts of Internal computer hardware

8

Answer 1

» motherboard
» central processing unit (CPU)/processor
» random access memory (RAM)
» read-only memory (ROM)
» graphics card
» sound card
» network interface card (NIC)
» internal storage devices (hard disk drive and solid-state drive)

Question 2

9 examples

Types of Application Software

Answer 2

» word processing
» spreadsheet
» database (management system)
» control and measurement software
» apps and applets
» video editing
» graphics editing
» audio editing
» computer-aided design (CAD).

Question 3

5 examples

Examples of Systems Software

Answer 3

» compilers
» linkers
» device drivers
» operating systems
» utilities

Question 4

Explain and compare analouge and digital data

Answer 4

Analouge - physical data that changes smotheley from one value to the next
Digital - binary format, used discrete and discontinuous values

To interchange between the two, ADCs and DACs are used

Question 5

Define ROM

Answer 5

• Read Only Memory
• Non Volatile
• Stores BIOS and other systems data that in needed to start up a computer
• Can only be read from
• can not be increased in size

Question 6

Define RAM

Answer 6

• Random access Memory
• Volatile
• stores data that is currently being worked on
• Can be written and read from
• Can be increased in size

Question 7

Define BIOS

Answer 7

Basic Input Output systems

Question 8

Describe the function of the CPU

Answer 8

• Central Processing Unit
• microprocessor
  Contains the ALU (used for calculations), the control unit and RAM