_________ are programmes that affect the effectiveness of a computer system
bugs
virus
antivirus
none of the above
Correct answer is B
Virus is a piece of code which is capable of copying itself and typically has a detrimental effect, such as corrupting the system or destroying data
Computers that are portable and convenient for users who travel are known as _________________
Super computers
Laptops
Mini computers
File servers
Correct answer is C
A laptop computer is a personal computer for mobile use. It has most of the same components as a desktop computer, including a display, a keyboard, a pointing device such as a touchpad (also known as a trackpad) and/or a pointing stick, and speakers into a single unit. A laptop is powered by mains electricity via an AC adapter, and can be used away from an outlet using a rechargeable battery. Laptops are also sometimes called notebook computers, notebooks, ultrabooks or netbooks. This could also be referred to as portable computers as they are easy to carry around
What kind of data is processed by an analog computer?
Discrete data
Intermittent
Discretely varying
Continuously varying data
Correct answer is D
An analog computer is the one which is used to process continuously varying data. This changeable yet continuous data is generally referred to as the analog data
What is the major purpose of application software?
oversee the running of the computer
utilities
database management
recreation
Correct answer is B
The major function performed by all application software is to allow the user utilize it in a particular area. Be it security, research, gaming, etc