Hard drive cd-rom and row drives

1. HARDWARE includes the electronic and Mechanical devices that process the data. IT refers to the computer and its Peripheral devices. IT is sometimes used as a TERM collectively describing the physical aspects of telephony and telecommunication. It is an object that you can actually touch (E.G) LIKE disk, disk drives, display screen, key board, printers boards and chips.

2. SOFTWARE Its a computer program that tells the computer how to perform a particular tasks. It is a general term for the various kind of programs used to operate computer and related devices. It is an computer instructions or data. Anything that can be stored electronically is software it also called a program. It directs the computer to perform.

1.3 MICRO ARCHITECTURE

It describes the operations of various parts related to computing system .

QUESTION 2

2.1 THE FIRST GENERATION deliver to census bureau in 1951.

Magnetic tape and disks began to replace cards as external storage devices.

High-level programming languages (E.G) FORTRAN AND COBOL.

2.2(d) IT control all operations inside a computer.

2.3 Supercomputers

QUESTION3

3.1 Communication between patients and doctor has become easier, more personal flexible and more sensitive.

3.1(e) COST OF MEDICAL PROCEDURES and operations have fallen dramatically over the decades all have positive of technology on society.

3.2 COMPUTER S.

3.2(e) PAPER SHREDDER.

3.2(f) MULTIMEDIA PROJECTOR.

3.3(a) Research and development has become far more advanced than ever ,and this leads to the invention of ground breaking technology.

3.3(b) Global collaboration and partnerships are easier to start and maintain ,and this benefits everyone involve with international business.

• When the power is turned off, the electrical charge in RAM dissipate.

• Hence all information is lost ,this type of memory is known as VOLATILE MEMORY

4.2 DIRECT ACCESS

• Such as sequential access, direct also make use of share read

4.2 (a) Sequential Access

• Memory is organised into unit of data, called records

4.2(b) Random Access

1. Each location can be selected at random and accessed and addressed directly

4.3 EPROM

4.3(a) Flash memory

• The term “width” is referring to the number of bites that a bus can transmit at once.

• Additionally the bus speed also define by its frequency (expressed in hertz) ,the number of data packets sent or received per second

5.2(a) The Data Bus transfer instruction coming from or going to the processor.

• It is a BIDIRECTIONAL BUS.

• Hence the name, it generally two component.

5.4(a) The North Bridge ( also called the Memory Controller )Is in charge of controlling transfer between the processor and the RAM , which is way it is location physically near the processor.

CONTENTS PAGES

ANSWERS FOR QUESTION 1 1-2