1. A virtual machine is a hypothetical computer which:

a) can never be implemented

b) has a machine language which is not well defined

c) has a machine language which can be translated or interpreted

d) is the basic idea behind the Pentium and Core Series

e) contains a BLU

2. VLSI :

a) was used in the first computer

b) is predicted by Nathan's law

c) is the basis for the current generation of computers

d) stands for Vertical Length Scsi Integration

e) is no longer important in the next generation of computer systems

3. The Program Counter register:

a) is located in the Data Path

b) points to the next instruction

c) holds the next instruction

d) receives the result of the ALU computation

e) is always incremented by 1

4. The basic idea behind Hamming codes:

a) is to use a simple Parity bit to compute the code for the complete word

b) is to use two Parity bits for each byte

c) is to break up the word into non-overlapping bitsets each with a Parity bit

d) is to break up the word into overlapping bitsets each with a Parity bit

e) is to scramble the word so that it is immune to noise

5. RAID is used:

a) as a memory speed-up mechanism

b) as a tape backup policy

c) as a safer way to store data on physical disks

d) as a way to compute checksums

e) to decrease the number of physical disks in a system

6. Modems transfer data:

a) directly over the Internet

b) using binary signaling

c) over phone lines using direct binary signals

d) over phone lines using some modulation technique

e) over a system bus using amplitude modulation