SLR 2 Flashcards
What is a system software?
System software is used to manage the computer itself. It runs in the background, maintaining the computer’s basic functions so users can run higher-level application software to perform certain tasks.
What is the need for and function of operating systems?
It provides the interface between the user and the hardware.
How do operating systems handle the management of processors?
It controls which process is being executed by the CPU at any point in time, and shares access to the CPU between processes.
How do operating systems handle the management of files?
It provides input-output operation support to the files so that the data can be written, read, or extracted from the file(s).
How do operating systems handle the management of peripherals?
Operating systems manage peripheral devices through a system component known as the device driver
How do operating systems handle the management of users?
The OS manages user accounts by storing login credentials (such as usernames and passwords) in a secure database and assigning permissions/access rights to different users based on their roles
What is the need for and function of utility programs?
. It helps in system maintenance by optimizing performance, managing disk space, and resolving errors.
Describe a range of common utility programs
Encryption software, compression software and defragmentation software.
What is an operating system?
it manages interactions between software and hardware. It takes responsibility for a range of functions including managing processor time, memory management, inputs/outputs, and security.
