Get premium membership and access questions with answers, video lessons as well as revision papers.
- Have a high storage capacity
- More secure against alteration, i.e. they require writers to alter their contents
- More robust, i.e. can resist temperature, electromagnetic fields and not affected by water and dust.
- Have a relatively high access speed
- Cheaper per unit of storage. Optical disks can be used for storage of large volumes of data, hence making them economical.
- Have high data transfer rates
Kavungya answered the question on June 5, 2019 at 10:48
- What are DOS commands used for the following?
(a) Changing directories -
(b) Viewing directories -
(c) Renaming directories of files -
(d) Deleting a directory...(Solved)
What are DOS commands used for the following?
(a) Changing directories -
(b) Viewing directories -
(c) Renaming directories of files -
(d) Deleting a directory -
Date posted: June 5, 2019. Answers (1)
- Distinguish between copying and moving text(Solved)
Distinguish between copying and moving text
Date posted: June 5, 2019. Answers (1)
- Name two keys used to delete text in a document.(Solved)
Name two keys used to delete text in a document.
Date posted: June 5, 2019. Answers (1)
- Name two features of a database package.(Solved)
Name two features of a database package.
Date posted: June 5, 2019. Answers (1)
- Study the flowchart below and answer the questions that follow:
(a) Write a high level language program for the above flowchart
(b) List the outputs of the...(Solved)
Study the flowchart below and answer the questions that follow:
(a) Write a high level language program for the above flowchart
(b) List the outputs of the flowchart above
(c) Modify the flowcharts so that it adds up all its outputs and displays the sum obtained
Date posted: June 5, 2019. Answers (1)
- A computer specification has the following details:
Pentium II
1.44 MB floppy disk drive
20 GB hard disk
Full multimedia
17” SVGA monitor
Pre installed operating system
Pre- installed office suite
(a) What...(Solved)
A computer specification has the following details:
Pentium II
1.44 MB floppy disk drive
20 GB hard disk
Full multimedia
17” SVGA monitor
Pre installed operating system
Pre- installed office suite
(a) What is meant by?
(i) 1.44 MB floppy disk drive?
(ii) 20 GB hard disk?
(iii) 17” SVGA monitors
(b) Which operating system might be pre- installed in this computer and why?
Date posted: June 5, 2019. Answers (1)
- Give two examples of computer aided design software(Solved)
Give two examples of computer aided design software
Date posted: June 5, 2019. Answers (1)
- What is meant by computer aided manufacture?(Solved)
What is meant by computer aided manufacture?
Date posted: June 5, 2019. Answers (1)
- Give three examples of network software(Solved)
Give three examples of network software
Date posted: June 5, 2019. Answers (1)
- List any three items that may be referred to as data terminal equipment in a network.(Solved)
List any three items that may be referred to as data terminal equipment in a network.
Date posted: June 5, 2019. Answers (1)
- Briefly explain the following terms as used in networking
(i) Remote communication
(ii) Distributed processing(Solved)
Briefly explain the following terms as used in networking
(i) Remote communication
(ii) Distributed processing
Date posted: June 5, 2019. Answers (1)
- State the disadvantages of mesh topology.(Solved)
State the disadvantages of mesh topology.
Date posted: June 5, 2019. Answers (1)
- State the Advantages of mesh topology.(Solved)
State the Advantages of mesh topology.
Date posted: June 5, 2019. Answers (1)
- A company has decided to computerize their operations. They have decided to purchase packages instead of developing their own programs. Give three advantages and two...(Solved)
A company has decided to computerize their operations. They have decided to purchase packages instead of developing their own programs. Give three advantages and two disadvantages of their approach.
Date posted: June 5, 2019. Answers (1)
- With reasons, briefly describe the most appropriate type of printer or output device for the output of:
(i) Customer invoices on multi- part stationery
(ii) Letters...(Solved)
With reasons, briefly describe the most appropriate type of printer or output device for the output of:
(i) Customer invoices on multi- part stationery
(ii) Letters to customers
(iii) Detailed engineering designs
Date posted: June 5, 2019. Answers (1)
- Differentiate between Dry run and walkthrough.(Solved)
Differentiate between Dry run and walkthrough.
Date posted: June 5, 2019. Answers (1)
- Differentiate between Data encryption and passwords.(Solved)
Differentiate between Data encryption and passwords.
Date posted: June 5, 2019. Answers (1)
- Draw a labeled diagram to illustrate the internal structure of a diskette.(Solved)
Draw a labeled diagram to illustrate the internal structure of a diskette.
Date posted: June 5, 2019. Answers (1)
- Give two differences between post Office Mail electronic mail ( E- mail)(Solved)
Give two differences between post Office Mail electronic mail ( E- mail)
Date posted: June 5, 2019. Answers (1)
- Speed and accuracy are some of the advantages of using computers in banking. State three other advantages of using computers in banking.(Solved)
Speed and accuracy are some of the advantages of using computers in banking. State three other advantages of using computers in banking.
Date posted: June 5, 2019. Answers (1)