Computer Science(083)

Class XI

What is volatile memory?
Define each of the following: (a) byte (b) kilobyte (c) megabyte (d) gigabyte (e) terabyte
What is the function of memory? What are its measuring units?
What is the role of CPU?
What are various categories of software?
What is the difference between an interpreter and a compiler?
Briefly explain the basic architecture of a computer.
What do you understand by input unit? What is its significance?
What does computer system consist of?
What functions are performed by the control unit?
Distinguish between CPU and ALU?
Distinguish between internal and external memory.
What are RAM and ROM? How are they alike? How are they different?
What are PROM, EPROM, EEPROM?
What is system software?
Discuss the role of utility software in the context of computer performance?
What is the importance of an OS?
What is the utility of these software? (a) Disk Defragmenter (b) Backup Software
What is booting?
Name the primary memory which is volatile.
Name the categories of application software.
Why are language processors used? List their types.
Briefly explain the working of impact printer.
What do you mean by memory devices? Explain RAM and ROM.
What is bar code? Why is a bar code reader used?