1. Which one of the following performs actulal processing of data in a computer?

Question

1.      Which one of the following performs actulal processing of data in a computer?

a.      RAM

b.      Hard Drive

c.       CPU

d.      Cache

2.      Which one of the following is not a part of a CPU?

a.      ALU

b.      Registers

c.       Data path

d.      RAM

3.      Which one of the statements is TRUE?

a.      RAM stores Data only

b.      RAM stores Instructions only

c.       RAM stores both Data and Instructions

d.      RAM will not be earsed even after the computer is turned off.

4.      Which of the following is the list of storage units in the ascending order of their speed?

a.      Hard Drive, RAM, Register, Cache

b.      RAM, FSB, Cache, Hard Drive

c.       Hard Drive, RAM, Cache, Register

d.      Register, RAM, Cache, Hard Drive

Consider the above specification of a laptop to answer the next three questions.

5.      What is the word size of the above lap-top?

a.      One byte

b.      Two bytes

c.       Four bytes

d.      Eight bytes

1.      How many bits are required to address the whole RAM of the above computer?

a.      33 bits

b.      32 bits

c.       31 bits

d.      30 bits

Explanation / Answer

1. c) CPU performs actual processing of data in computer.

It contains Control UNIT,ALU unit

2. d) RAM RAM is a part of memory unit.Its not part of a CPU.

3. c)It stores both Data and Instructions.

But when power goes off,all it hold will be lost.

4. d) Register,RAM,Cache,hardDrive

Actually the correct ascending order in tne order of memory is

Register,Cache,RAM,Harddrive.

5. c)FourBytes =4*8=32 bits.

Now a days,32 bits and 64 bits laptop computers are using

1.)b) 32 bits as explained above.

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