2. Software which acts as an interface between user and computer hardware:
bespoke software
library programs
utility software
operating system software

3. The width of the address bus determines:
the maximum possible memory capacity of the system
the system's speed
the system's performance
the rate at which data is transmitted

4. A unidirectional bus:
data bus
control bus
address bus
I/O bus

5. Set of parallel wires within the computer which carry data between independent components:
processor
bus
memory
I/O controller

6. Maximum number of bits that the processor can handle simultaneously:
data
bit
word
byte

7. International 16-bit coding system:
ASCII
Unicode
BCD
EBCDIC

8. Intermediate store between CPU and main memory used to improve speed of computer:
ROM
RAM
ALU
cache

9. Individual program written for a particular company:
generic
bespoke
utility
library

10. Computer which can perform hundreds of millions of tasks per second and is employed for specialist applications:
supercomputer
minicomputer
mainframe
microcomputer