LS - Computer Systems - HE.8.3

​ (a)   refers to computer programs that are designed to manage or control a computer’s hardware.

• System software
• Application software

​ (a)   allow the user to carry out tasks to make sure that digital devices function smoothly.

• Operating systems
• Utility programs

​ (a)   allow the user to run the computer and interact with it.

• Operating systems
• Utility programs

An anti-virus program is an example of ​ (a)   .

• an application program
• a utility program

​ (a)   transfer the user’s programs and data into and out of computer memory.

• Application programs
• Operating systems

00110011 in denary format is:

• 28

• 51

• 63

• 124

11000011 in denary format is..

• 191

• 197

• 199

• 195

00000011 in denary format is:

• 11

• 3

• 4

• 2

01111111 in denary format is:

• 126

• 128

• 127

• 125

97 in binary format is:

• 01010111

• 00110010

• 01100001