Scheme of Answer Tutorial 1.1a

1.0 ComputerSystem
1.1 SystemConcept

1.0 Computer System
1.1 System Concept

(a) Explain the operations involved in information processing cycle
(b) Analyze the use of information processing cycle in today’s technology

1. Computer is a programed machine designed to sequentially and automatically carry out
a sequence of arithmetic and logical operations.
(a) Describe computer system.
Computer system is a collection of related computer components (hardware & software)
that have been design to work together smoothly.

(b) List two (2) main components of computer system.
• Hardware
• Software

2. Computers and other forms of technology affect our live daily. We encounter computers
in stores, restaurants and other retail establishments.

(a) Identify and describe all the operations involved in a computer-based information
processing.

Input - Entering data into the computer
Process - Transforming data into information
Output - Presenting the results
Storage - Saving data, programs or output for future use

3. Information processing cycle is a series of input, process, output and storage activities
performed by a computer. Draw a diagram of information processing cycle.

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4. There are four main steps in information processing cycle. Explain what are the input,
process, output and storage when you are given information 8 x 2 = 16 to beprocessed.

Steps Basic Operation

Input Reads the data which is 8 and 2 entered by user into the memory of computer.
Process Multiples / Calculates the data which is by multiplying 8 and 2.

Output Presenting /Displays the result of the multiplication which is 16.
Storage Stores / Saves/ Records data and information for future use which are 8, 6 and 16.

5. Identify the basic operation of information processing cycle based on the following
statement:
(a) The manipulation of data by a set of instruction that converts the data into
information.
Process

(b) The action of typing username and password into a computer.
Input

6. Computer system plays an important role in daily lives. The data inside the computer is
represented by bits 0 or 1.
(a) Give the definition of each operation and one (1) example of device used for the
operation in a computer system in the following table.

Operation Definition Example of Device
Input Entering data into computer Keyboard, Mouse,

Output Data that has been processed into useful form Microphone, Scanner

Printer, Monitor, Speaker

Storage saving data, programs or output for future use Hard Disk, USB Flash Drive,
Compact Disc, solid-state
drive

7. FIGURE 1 shows the activities of Information Processing Cycle carried out by a
computer. Complete the figure below.

(i) (ii) (iii)
INPUT PROCESS OUTPUT

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8. A computer is a general-purpose device which can be programmed to carry out a set of
arithmetic or logical operations.

(a) Information processing cycle is a series of activities performed by a computer. Identify type
of operations involved in processing cycle based on the following statements:

Activities Types of Operations
The action of displaying data on the screen Output
Process
The manipulation of data by a set of instruction that
converts the data into information. Input
Storage
The action of capturing an image into a computer.

The action of saving a file into the hard disk.

9. A computer is a complex system that consists of hardware and software components.

(a) TABLE 1 shows the operations involved in information processing cycle. Write the

missing information in the table.

TABLE 1

Operations Description Example of Device
Monitor, Printer
output Presenting the results

Process Transforming data into information Central Processing
Unit (CPU)

storage Saving data, program or output for future use Hard Disk

Input Enter data or instructions Keyboard, Mouse

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10. Siti needs pocket money and calls her father to bank in RM200 into her saving account. After
her father agrees and does the transaction, she goes to the Bank Ceria Berhad to withdraw the
money from the ATM machine. She receives 4 pieces of RM50 notes. Identify two (2)
activities that are involved for process and output operations in the information processing
cycle during the withdrawal process.

INPUT  Verifies the ATM Card
 Verifies the pin number
PROCESS  Determines the transaction type
OUTPUT  Determines the account type
 Determines the amount to be withdrawn
 Calculates the account balance
 Updates the account balance
 Dispenses the money
 Displays the information regarding the transaction
 Displays the account balance
 Issues the receipt
 Stores the details of the transaction occurred
 Records the current account balance

11. Ahmad is travelling from Bukit Jalil to Putrajaya. When he reaches the Putrajaya toll
gate, Ahmad taps his Touch n Go card on the card reader.

Identify two (2) activities for each operation in the Information Processing Cycle
involved during that Touch n Go transaction at Putrajaya toll gate.

Operation Activities
INPUT  Reads the entry toll gate location
 Reads the entry toll gate date
PROCESS  Reads the balance of the card
 Verifies the Touch n Go Card
OUTPUT  Determines whether the balance of the card is sufficient or otherwise
 Calculates the amount to be deducted
STORAGE  Deducts the amount for the toll charged
 Displays the amount of deduction
 Displays the balance of the card
 Displays an error message if the balance of the card is insufficient
 Releases the toll barrier
 Stores the details of the transaction occurred
 Stores the amount of the toll charged
 Records the current balance of the card
 Records the entry / exit toll gate location and date/time

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12. There are four operations involved in information processing lifecycle. Identify and state the
operation of information processing cycle based on the given description.

Description Operation
The information which has been processed is produced in a Output
usable form by people.
Process
The data is being manipulated or transformed into
information. Storage

The process to keep data, information and programs in Input
computer-processed form.

The data which is entered or captured electronically for
processing.

13. Basic process in a computer system can be described using Input-Process-Output (IPO)
model.

Given following hardware systems, determine whether they belong to input, process, storage or
output based on IPO model

i. ARM v8 based instructions set in a smartphone. Process

ii. 4 GB micro SD card Storage

iii. Super AMOLED Touchscreen Input

iv. Fingerprint Sensor Input

v. LaserJet Network Printer Input

14. A lecturer plans to calculate the coursework marks at the end of each semester. Coursework
marks are the total marks for quizzes, assignments and group project. Based on the given
scenario, explain the operations of information processing cycle to display the coursework
marks.

Operation Explanation

Input Reads marks of the quizzes, assignments and group projects entered by the

lecturer into the memory of computer.

Process Calculates the total coursework marks of each student by adding up the their
quiz, assignment, and the group project marks.
Output
Storage Displays the total coursework marks for each of the student.
Stores the quiz, assignment, group project and the total coursework marks for
each of the student.

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15. Identify the steps of information processing cycle which is related to the
following components.

Component Step of Information Processing Cycle
Microphone Input
Speakers Output

Arithmetic Logic Unit Process

Optical Disc Storage
Fingerprint Reader Input
Earphone Output

16. Information processing is important in today’s business activity.
Miss Bella sells headscarves to three customers. All of the customers make the payment at the
same time. The first customer deposits RM100 and the second customer deposits RM220 into
her account at two different ATM machines. Her third customer pays RM100 by cash at her
shop.

*Miss Bella’s account balance before those transactions was RM200.

Analyse the operations of information processing cycle (process) and (storage) of Miss
Bella’s bank account during that time.

Operation Activity

Input  Reads the amount of cash deposited into Miss Bella’s bank account
Process by the first and second customer.

Output  Updates the balance of Miss Bella’s bank account after the
Storage customers deposit the cash into her bank account.

 Determines the current balance of Miss Bella’s bank account after
the customers deposit the cash into her bank account.

 Displays the information regarding the transaction occurred.

 Displays the current balance of Miss Bella’s bank account

 Stores/Saves the details of the transaction occurred in Miss Bella’s
bank account.

 Records the current balance of Miss Bella’s bank account

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17. FIGURE 1 shows a transaction made at a sport outfit outlet, Sport Planet Warehouse.
Identify the suitable element for the input, process and output.

Operation FIGURE 1
Input
Element
Process
Output  Reads the item which is ‘Round Neck Shirt’ entered by the user into the
Storage memory of computer.

 Reads the quantity which is 2 entered by the user into the memory of
computer.

 Reads the price which is 15 entered by the user into the memory of
computer.

 Reads the cash amount which is 50 entered by the user into the memory
of computer.

 Calculates the total amount by multiplying the quantity (2) and the price
(15).

 Calculates the change by deducting the cash (50) and the amount (30).
 Displays the total amount which is 30.
 Displays the change which is 20.
 Issues the receipt.
 Stores/Saves the details of the transaction occurred.

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