- She do and she Put the verbs in brackets in the past simple or past continuous. - 1 read a book last night when I heard my sister shouting. - What happen ? the washing up when a plate break cut her finger - We stand by the door when the children walk you see what they looked like? - No. They wear scary costumes in. 3 - What you do when he faint 7 - call an ambulance 4 - What happen -I have to you? an accident while I drive to the hospital? to work you go - Yes. I did - What Claire/do her? when you phone to music - She listen she/tumn the radio off? - No, she didn't. She want to listen to the music programme
The user is aware of the effects of different applications programs but operating systems are invisible to most users. They lie between applications programs,such as word processing, and the
hardware. The supervisor program is the most important. It remains in memory,therefore it is referred to as resident. Others are called non-resident because they are loaded into memory only when needed. Operating systems manage the computer's resources, such as the central processing unit. , they establish a user interface, and execute and provide services for applications software.Although input and output operations are invoked by applications programs, they are carried out by the operating system.
The user is aware of the effects of different applications programs (1) but operating systems are invisible to most users. They lie between applications programs, (2) such as word processing, and the hardware. The supervisor program is the most important. It remains in memory, (3) therefore it is referred tо as resident. Others are called non-resident (4) because they are loaded into memory only when needed. Operating systems manage the computer's resources, (5) such as the central processing unit. (6) In addition, they establish a user interface, and execute and provide services for applications software (7) although input and output operations are invoked by applications programs, they are carried out by the operating system.
The user is aware of the effects of different applications programs but operating systems are invisible to most users. They lie between applications programs,such as word processing, and the
hardware. The supervisor program is the most important. It remains in memory,therefore it is referred to as resident. Others are called non-resident because they are loaded into memory only when needed. Operating systems manage the computer's resources, such as the central processing unit. , they establish a user interface, and execute and provide services for applications software.Although input and output operations are invoked by applications programs, they are carried out by the operating system.
Объяснение:
The user is aware of the effects of different applications programs (1) but operating systems are invisible to most users. They lie between applications programs, (2) such as word processing, and the hardware. The supervisor program is the most important. It remains in memory, (3) therefore it is referred tо as resident. Others are called non-resident (4) because they are loaded into memory only when needed. Operating systems manage the computer's resources, (5) such as the central processing unit. (6) In addition, they establish a user interface, and execute and provide services for applications software (7) although input and output operations are invoked by applications programs, they are carried out by the operating system.