Which is the fastest memory?

(a)

Hard disk 

(b)

Main memory

(c)

Cache memory

(d)

Blue-Ray disc

How many memory locations are identified by a processor with 8 bits address bus at a time?

(a)

28

(b)

1024

(c)

256

(d)

8000

What is the capacity of 12cm diameter DVD with single sided and single layer?

(a)

4.7 GB

(b)

5.5 GB

(c)

7.8 GB

(d)

2.2 GB

What is the smallest size of data represented in a CD?

(a)

blocks

(b)

sectors

(c)

pits

(d)

tracks

Display devices are connected to the computer through

(a)

USB port

(b)

Ps/2 port

(c)

SCSI port

(d)

VGA connector