Computer Fundamentals

What is the function of the CPU?

• To manage input and output operations

• To perform arithmetic and logic operations

• To store data

• To control the flow of data within the system

What type of memory is used to store data that is temporarily needed by the CPU?

• Hard Disk Drive (HDD)

• Compact Disk (CD)

• RAM

• ROM

What is the purpose of ROM in a dedicated system?

• To store the Operating System (OS) and other permanent data

• To store temporary data for the computer's processor

• To store backup data

• To store data for external devices

What is the difference between RAM and ROM?

• RAM is volatile and ROM is non-volatile

• RAM is used more than ROM

• RAM is more expensive than ROM

• RAM is faster and ROM is slower

Which of the following is a portable storage device that can store large amounts of data?

• HDD

• CD

• Floppy Disk Drive (FDD)

• USB Flash Drive

A company has decided to implement a new system that will be separate from the main network and will only be used by the billing and invoicing department. The system will have its own CPU, RAM, ROM and storage devices.

Identify the reason why two separate systems were implemented, one for the billing and invoicing department and one for the main network.

• To decrease RAM usage from the main network

• To separate sensitive financial from the main network

• To reduce the cost of the main network

• To decrease ROM usage from the main network

This stores the bootstrap loader

• RAM

• Hard Disk

• ROM

Not used for entering data into a digital device.

• Keyboard

• Barcode Reader

• Speaker

An office situated in Rome sends emails to clients that are located all over the world.

• LAN

• WAN

• WLAN

Data is accessed by starting at the beginning and then searched through in sequence, until the required information is found.

• Serial Access

• Random Access

• Direct Access