Tutorial 1.1
Choose the Correct Computer type.
1. The Largest computer type,
a) Super Computer
b) Mainframe Computers
c) Mini Computers
d) Micro Computers
2. The computer type which is designed for personal day-to-day human activities,
a) Super Computers
b) Mainframe Computers
c) Mini Computers
d) Micro Computers
3. Has the smallest storage capacity,
a) Super Computers
b) Mainframe Computers
c) Mini Computers
d) Micro Computers
4. These are also called as “Midrange Computers”,
a) Super Computers
b) Mainframe Computers
c) Mini Computers
d) Micro Computers
5. Suitable for large insurance companies and banks,
a) Super Computers
b) Mainframe Computers
c) Mini Computers
d) Micro Computers
2. Fill in the blanks with suitable hardware devices.
a. The printer is used to convert softcopies into hardcopies.
b. The scanner is used to convert hardcopies into softcopies.
c. The dot matrix printer work by tiny jets to spray ink into the paper.
d. A modem and router is a device that is used to attach your computer to the
telephone system.
e. Projector is used to display presentations to a group of people.
3. Write three differences between RAM and ROM.
RAM
ROM
Definition of RAM is Random Access Memory
Definition of ROM is Read-only Memory
Random Access Memory (RAM) is expensive when
compared to ROM
ROM is cheaper when compared to RAM.
The speed of Random Access Memory (RAM) is
higher when compared to ROM
The speed of Read-only Memory (ROM) is slower
when compared to RAM.
4. Write down the advantages of Cloud Computing
 Faster time to market. You can spin up new instances or retire them in seconds, allowing
developers to accelerate development with quick deployments.
 Scalability and flexibility.
 Cost savings.
 Better collaboration.
 Advanced security.
 Data loss prevention.
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What are the information systems used for decision making in organizations?
Management Information Systems (MIS):
Decision Support Systems (DSS)
Executive Information Systems (EIS)
Business Intelligence (BI) Systems
Enterprise Resource Planning (ERP) Systems
Customer Relationship Management (CRM) Systems
Knowledge Management Systems (KMS