OCR J275 - System Software Part A

What is meant by the term 'system software'?

• Programs that enable a user to complete a task, such as word processing or desktop publishing
• Programs that are needed to enable the computer to function, including the operating system and utility programs

What is meant by the term 'application software'?

• Programs that enable a user to complete a task, such as word processing or desktop publishing
• Programs that are needed to enable the computer to function, including the operating system and utility programs

What is the purpose of an 'operating system'?

• The user has to type in specific commands to do things like moving and copying files.
• The user communicates with the operating system using windows, icons, menu and pointers (WIMP) e.g. Windows.
• A set of programs that controls how the user interacts with the hardware and software of a computer.
• Allows a user to interact with the computer.

Which of the following is NOT an operating system?

• Windows
• IOS
• Android
• Adobe Photoshop

A function within an operating system is peripheral management - which is the most appropriate definition?

• Manages all of the computer input and output by managing requests from programs to use devices like printers, speakers, keyboards and hard disk drives. It communicates with devices through software called drivers.
• It is in charge of the RAM. Programs often use RAM throughout their operation, some use more memory than others. The memory manager checks requests from programs for memory space are valid and then allocates memory space.It also de-allocates space.

An operating system has the following functions - memory management, peripheral management, multi-tasking, security and providing a user interface - TRUE or FALSE?

• True
• False

A function within an operating system is memory management - which is the most appropriate definition?

• Manages all of the computer input and output by managing requests from programs to use devices like printers, speakers, keyboards and hard disk drives. It communicates with devices through software called drivers.
• It is in charge of the RAM. Programs often use RAM throughout their operation, some use more memory than others. The memory manager checks requests from programs for memory space are valid and then allocates memory space.It also de-allocates space.

A function within an operating system is multitasking - which is the most appropriate definition?

• Windows, Linux, OSX and Android are multitasking operating systems. A multitasking operating system allows more than one program to run at the same time.
• Controls files on system e.g. text, graphic files. Controls file permissions: to open a file, write to it and delete it. Helpful for security and to help organise files e.g. sorting. In windows file management is completed using windows explorer. (Right click the windows logo)

A function within an operating system is security - which of the following is used to make your computer more secure?

• Usernames and passwords for different users.  Password-protect certain files or make certain files read-only so that they can be viewed but not changed.
• Encrypt all login websites with htttps and 256-bit encryption.  Have a username and password for all logins.

Define the term 'user interface'.

• The way in which a user interacts with the computer hardware.
• Any input, output or storage device that connects to a motherboard. (keyboard, mouse, web cam, printer, hard disk drive)