Basic Computer Knowledge 500 + Questions and Answers
- 1. The improvement of computer hardware theory is summarized by which law.?
A.) Metcalf's law
B.) Bill's Law
C.) Moore's First Law
D.) Grove's law
Answer: Option 'C'
Moore’s First Law
- 2. The most widely used computer device is.
A.) Solid state disks
B.) External hard disk
C.) Internal hard disk
D.) Mouse
Answer: Option 'C'
Internal hard disk
- 3. _______ are software which is used to do particular task.
A.) Operating system
B.) Program
C.) Data
D.) Software
Answer: Option 'B'
Program
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- 4. Who is father of modern computers?
A.) Abraham Lincoln
B.) James Gosling
C.) Charles Babbage
D.) Gordon E. Moore
Answer: Option 'C'
Charles Babbage
Types of Operating System
1. A real - time Operating System is a multi tasking Operating System that aims at executing real time applications.
2. Real - time processing responds to input instantly.
3. An Operating System which allows multiple users to access a computer system concurrently is known as multi user operating system.
4. When the Operating System allows the execution of multiple tasks at one time, it is classified as a multi tasking Operating System.
5. A distributed Operating System manages a group of independent computers and makes them appear to be a single computer.
6. Embedded Operating Systems are designed to be used in embedded computer systems.
7. Examples of embedded Operating Systems are Windows 10, UBUNTU and Mac OS X yosemite.
8. Multi processing Operating System supports running a program on more than one CPU.
9. Multi threading Operating System allows different parts of a single program to run concurrently.
- 5. How many generations of computers we have?
A.) 6
B.) 7
C.) 5
D.) 4
Answer: Option 'C'
5
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