1.5 System Software

To allow a user to interact with an Operating System – it must have a ______ ?

• User Connection

• User Interface

• Virtual Connection

• Remote Access

Windows, Icons, menus and Pointers or Touch screen gestures are all part of which interface?

• Graphical User Interface

• Command Line Interface

• Menu Interface

• No User Interface

Operating Systems will allocate sections of RAM to the processes as part of?

• Processor Management

• File Management

• Peripheral Management

• Memory Management

This piece of software is used to allow peripherals and the Operating System to communicate is called?

• Device Management

• Device Driver

• Device System

• Hardware Peripheral Device

Lossy Compression is…..?

• Usually performed on text

• When some original data is lost and the original file cannot be re-created

• The original file can be re-created from the compressed file

• Turning the text into a format that only a reader with a key can decrypt it

Lossless Compression is….?

• Usually performed on video files

• When some original data is lost and the original file cannot be re-created

• The original file can be re-created from the compressed file

• Turning the text into a format that only a reader with a key can decrypt it

A fragmented hard drive is one in which…..?

• Data is spread across tracks and sectors on the hard disk drive

• Data is grouped together to occupy a continuous section of the hard disk drive

• A hard disk drive that has been dropped and broken into lots of pieces

To scramble data so that it is unreadable is a form of….?

• Compression

• Encryption

• Backing up

• Defragmentation

Which of these is NOT a job of the operating system?

• Provide a user-interface

• Scan for viruses

• Manage memory

• Manage peripherals via device drivers

Providing user access levels, usernames and passwords is part of which function of the operating system?

• Memory management

• File management

• User management

• Providing a user interface