Filters
Question type

Study Flashcards

What is a CPU?


A) The actual hardware that interprets and executes the program (software) instructions and coordinates how all the other hardware devices work together
B) The computer's main memory, which consists of the random access memory (RAM) , cache memory and the read-only memory (ROM) that is directly accessible to the central processing unit (CPU)
C) Equipment designed to store large volumes of data for long-term storage
D) Equipment used to capture information and commands

E) A) and C)
F) B) and D)

Correct Answer

verifed

verified

List the common input,output and communication devices.

Correct Answer

verifed

verified

Common input devices:keyboard,...

View Answer

What refers to a type of cable composed of four (or more) copper wires twisted around each other within a plastic sheath?


A) Twisted-pair cable
B) Coaxial cable
C) Fibre-optic cable
D) Transmission control protocol/internet protocol

E) A) and C)
F) C) and D)

Correct Answer

verifed

verified

What is a network?


A) Enables the transmission of data over public or private networks
B) A communications system created by linking two or more devices and establishing a standard methodology by which they can communicate
C) Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations
D) A computer that is designed to request information from a server

E) None of the above
F) A) and B)

Correct Answer

verifed

verified

Which of the following represents megahertz?


A) The number of millions of CPU cycles per second
B) The number of billions of CPU cycles per second
C) A type of CPU that can recognise as many as 100 or more instructions, enough to carry out most computations directly
D) A limit to the number of instructions the CPU can execute to increase processing speed

E) B) and C)
F) None of the above

Correct Answer

verifed

verified

Explain the difference between primary and secondary storage.

Correct Answer

verifed

verified

Primary storage is the computer's main m...

View Answer

Complex instruction set computer chips limits the number of instructions the CPU can execute to increase processing speed.

A) True
B) False

Correct Answer

verifed

verified

Explain topology and the different types found in networks.

Correct Answer

verifed

verified

Network topology refers to the geometric...

View Answer

What is a client?


A) Enables the transmission of data over public or private networks
B) A communications, data exchange and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together
C) Any network without a central file server and in which all computers in the network have access to the public files located on all other workstations
D) A computer that is designed to request information from a server

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

What spans a large geographic area such as a state,province or country?


A) Local area network
B) Wide area network
C) Metropolitan area network
D) Peer-to-peer network

E) B) and C)
F) A) and C)

Correct Answer

verifed

verified

B

What is application software?


A) Controls how the various technology tools work together along with the application software
B) Controls the application software and manages how the hardware devices work together
C) Provides additional functionality to the operating system
D) Used for specific information processing needs, including payroll, customer relationship management, project management, training and many others

E) A) and C)
F) A) and B)

Correct Answer

verifed

verified

What is network topology?


A) Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onwards towards its destination
C) Refers to the geometric arrangement of the actual physical organisation of the computers and other network devices in a network
D) A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

What is interoperability?


A) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onwards towards its destination.
B) Refers to the geometric arrangement of the actual physical organisation of the computers and other network devices in a network.
C) A standard that specifies the format of data as well as the rules to be followed during transmission.
D) The capability of two or more computer systems to share data and resources, even though they are made by different manufacturers.

E) A) and B)
F) C) and D)

Correct Answer

verifed

verified

What is a standard used for email retrieval and storage?


A) File transfer protocol (FTP)
B) Simple mail transfer protocol (SMTP)
C) Hypertext transfer protocol (HTTP)
D) Post office protocol (POP)

E) B) and C)
F) A) and D)

Correct Answer

verifed

verified

What is a NIC?


A) A card inside the computer that lets it send and receive messages from other computers
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onwards towards its destination
C) Refers to the geometric arrangement of the actual physical organisation of the computers and other network devices in a network
D) A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients

E) B) and D)
F) None of the above

Correct Answer

verifed

verified

What is a protocol?


A) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onwards towards its destination.
B) Refers to the geometric arrangement of the actual physical organisation of the computers and other network devices in a network.
C) A standard that specifies the format of data as well as the rules to be followed during transmission.
D) The capability of two or more computer systems to share data and resources, even though they are made by different manufacturers.

E) A) and B)
F) None of the above

Correct Answer

verifed

verified

Define the relationship between operating system software and utility software.

Correct Answer

verifed

verified

Operating system software controls the application software and manages how the hardware devices work together.Utility software provides additional functionality to the operating system,for example,anti-virus software,screen savers,disk imaging,uninstaller and file and data recovery.

Identify the different computer categories and explain their potential business uses.

Correct Answer

verifed

verified

Mobile computers:
From a small hand-held...

View Answer

Which of the following is not one of the differentiating factors of a network?


A) Architecture
B) Topology
C) Protocols
D) Telecommunication system

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

D

What is a client/server network?


A) Occurs when the sending computer divides a message into a number of efficiently sized units called packets, each of which contains the address of the destination computer
B) An intelligent connecting device that examines each packet of data it receives and then decides which way to send it onwards towards its destination
C) Refers to the geometric arrangement of the actual physical organisation of the computers and other network devices in a network
D) A model for applications in which the bulk of the back-end processing, such as performing a physical search of a database, takes place on a server, while the front-end processing, which involves communicating with the users, is handled by the clients

E) A) and B)
F) All of the above

Correct Answer

verifed

verified

Showing 1 - 20 of 76

Related Exams

Show Answer