What is meant by the
term 'software'?

what is meant by a single user operating system?

what is meant by a multi-tasking operating system?

what is meant by custom written software?

what is meant by an open source software?

what is meant by proprietary software?

name two advantages of
off-the-shelf software.

name two disadvantages of
off-the-shelf software.

state two functions of an operating system (OS).

describe the antivirus utility.

describe the disk defragmenter utility.

describe the system clean-up utility.