Information Technology Flashcards
Bandwidth is a data which a person can send through a network or modem connection. How it is usually measured?
(a) In bits per second
(b) In megahertz
(c) In Ohm
(d) In watts
(a) In bits per second
`What is BASIC (Beginners All-purpose Symbolic Instruction Code)?
(a) A programming language
(b) A software
(c) Software coding
(d) A diploma course
(a) A programming language
Which of the following is a conventional basic designation of pre-released software?
(a) Alpha (b) Omega (c) Raw (d) Beta
Beta
Name the binary digit that is the smallest unit of digital information, either on or off, 1 or 0.
(a) Bitmap (b) Bit (c) Bit/second (d) Byte
Bit
What is the name of that pre-installed programme on PCs that computer uses to start up (this programme checks all hardware connections and locates all devices during boot-up
process) ?
(a) BIOS
(b) Operating System
(c) BASIC
(d) JAVA
(b) Operating System
What does mean by BIOS?
(a) Basic Input/output system
(b) Beginning Input/output system
(c) Basic Ingoing/outgoing system
(d) Basic In/out system
(a) Basic Input/output system
Term the amount of memory that is needed to specify one character, eight bits?
(a) Bit
(b) Kilobyte Byte
(c) Byte
(d) Megabyte
Byte
Funtions of Caches?
To store recently-used information in place where it can be accessed extremely fast.
What is called a structured set of data that is normally associated with software to access and manipulate that data?
(a) Database
(b) Backup
(c) Storage
(d) Hard disk
(a) Database
What is termed the portion of RAM set aside for temporarily holding information read from a disk?
(a) ROM
(b) Cache memory
(c) Bus
(d) Disk Cache
(b) Cache memory
Name the high-capacity optical disc that looks like a CD, but can store much information than CD?
(a) CD-Rome
(c) DRAM
(b) Module
(d) Digital Versatile Disc (DVD)
(d) Digital Versatile Disc (DVD
The network protocol used by the Internet?
TCP/IP network protocols
Name an internal or private internet that is used strictly within the confines of a
company, university, etc.
network
(a) Home net (b) Ethernet (c) Net (d) Intranet
(d) Intranet
What is A.I
(a) Putting your intelligence into computer.
(b) Programming with your own intelligence.
(c) Making a machine intelligent.
(d) Playing a Game.
(c) Making a machine intelligent.
What is the term used for describing the judgmental solving? (a) Heuristic (b) Critical (c) Value based (d) Analytical
(a) Heuristic
Strong A I is:
(a) The embodiment of human intellectual capabilities within a computer.
(b) A set of computer programmes that produce output that would be consider to reflect
intelligence in it were generated by humans.
(c) The study of mental faculties through the use of mental models implemented on a
computer.
(d) All of these.
(b) A set of computer programmes that produce output that would be consider to reflect
Weak AI is:
(a) The embodiment of human intellectual capabilities within a computer.
(b) A set of computer programs that produce output that would be consider to reflect
intelligence if it were generated by humans.
(c) The study of mental faculties through the use of mental models implemented on a computer.
(d) All of these.
(c) The study of mental faculties through the use of mental models implemented on a computer.
__________is called the father of AI.
John MaCarthy
Transmission media are usually categorized as
Guided or Unguided
In fibre optics, the signal travels through_______waves.
(a) Light
(c) Infrared
(b) Radio
(d) Very low-frequency
(a) Light
Which of the following primarily uses guided media?
(a) Cellular telephone system
(b) Local telephone system
(c) Satellite communications
(d) Radio broadcasting
b) Local telephone system
In an optical fibre the inner core is the cladding.
(a) Denser than (b) Less dense than
(c) The same density as (d) another name for
Denser than
The inner core of an optical fibre is The in composition.
(a) Glass or plastic (b) Copper (c) Bimetallic (d) Liquid
(a) Glass or plastic
When a beam of light travels through media of two different densities, if the angle of
incidence is greater than the critical angle, occurs.
(a) Reflection (b) Refraction (c) Incidence (d) Criticism
Reflection
cables cany data signals in the form of light.
(a) Coaxial (b) Fibre-optic (c) Twisted-pair (d) None of these
Fibre-optic
media transport electromagnetic waves without the use of a physical
conductor.
(a) Guided (b) Unguided (c) Either (a) or (b) (d) None of these
Unguided
_________ are used for cellular phone, satellite, and wireless LAN communications.
(a) Radio waves (b) Microwaves (c) Infrared waves (d) None of these
Radio waves
__________ are used for short-range communications such as those between a PC and a
peripheral device.
(a) Radio waves (b) Microwaves (c) Infrared waves (d) None of these
Infrared waves
Which topology requires a central controller or hub?
(a) Mesh (b) Star (c) Bus (d) Ring
Star
Which topology requires a multipoint connection?
(a) Mesh (b) Star (c) Bus (d) Ring
Bus
_______refers to the physical or logical arrangement of a network.
(a) Dataflow
(b) Mode of operation
(c) Topology
(d) None of these
(c) Topology
A________ is a data communication system within a building, plant, or campus, or
between nearby buildings.
(a) MAN (b) LAN (c) WAN (d) None of these
LAN
__________ is a data communication system spanning states, countries, or the whole world.
(a) MAN (b ) LA N (c ) WAN
(d) None of these
WAN
A ________is a set of rules that governs data communication
(a) Forum
(c) Standard
(b) Protocol
(d) None of these
(b) Protocol
Which of the following systems analyzes spatial information?
(a) Neural network (b) Genetic algorithm
(c) Intelligent agent (d) Geographical information system
Geographical information system
Which of the following represents one billion characters?
(a) Byte (b) Gigabyte (c) Kilobyte (d) Megabyte
(e) Terabyt
Gigabyte
Which of the following represents the fastest data transmission speed?
(a) Bandwidth (b) Mbps (c) Gbps (d) Kbps
Gbps
Which of the following domains is used by for profit businesses?
(a) .com (b) .edu (c) .mil (d) .net
.com
What is the name for a webpage address?
i
(a) Directory (b) Domain (c) Extension (d) Protocol
Domain