COMPUTER STUDIES

State and briefly explain two functions of the arithmetic and logic unit of the computer

State and explain any two computer crimes

Differentiate between data security and data privacy

QUESTION ON BINARY ARITHMETICS

Define the term accreditation as used in education

Differentiate Database administrator and web administrator.

Using BCD coding system convert 796DEC to binary

Twos complement is the most popular way of representing negative numbers in computer ,Systems. Give an advantage of using this method.

Using twos complement, workout : 15DEC – 8DEC in binary form

Explain one reason for use of binary in digital technology.

Give one reason why data and information in a computer system needs to be converted to other number systems other than binary.

An organization is facing threats to data integrity. Explain three of how the threats can be minimized.

Make a clear difference between:-

Describe each of the following data processing methods and give an example of where used.

State one difference between system flowchart and program flowchart