Khalid 40 Exam Paper PDF

## External Hard Disks are: - Located inside the system unit - Connected to a USB port on the system unit - Faster than internal hard disks - Fixed and can't be removed ## A computer or printer connected to a network is called: - Gateway - Server - Node - Host ## Examples of optical disks: - DVD -...

## External Hard Disks are: - Located inside the system unit - Connected to a USB port on the system unit - Faster than internal hard disks - Fixed and can't be removed ## A computer or printer connected to a network is called: - Gateway - Server - Node - Host ## Examples of optical disks: - DVD - CD - Blu-ray discs ## is the node which requests and uses resources from other nodes - Host - Server - Client - Switch ## The following optical disks are ordered for the biggest storage capacity to the smallest: - DVDs, Blu-ray discs, CDs - Blu-ray discs, CDs, DVDs - Blu-ray discs, DVDs, CDs - CDs, DVDs, Blu-ray discs ## The following optical disks are ordered for the smallest storage capacity to the biggest: - DVDs, Blu-ray discs, CDs - Blu-ray discs, CDs, DVDs - Blu-ray discs, DVDs, CDs - CDs, DVDs, Blu-ray discs ## The optical disc which have a capacity of a round 4.7 GB is: - CD - USD drive - DVD - Blu-ray ## The optical disc which have a capacity of around 50GB is: - USB drive - CD - Blu-ray - DVD ## In a communication system, the devices that act as an interface between the sending and receiving devices and the communication channels. - Storage devices - Data devices - Information devices - Connection devices ## cable is used to deliver television signals to your TV - Twisted pair - WiMax - Fiber-optic - Coaxial ## To convert the analog signals to digital signals we need a --- - Modem - Switch - Internet - Server ## is located inside the system unit - External hard disk - Global hard disk - Universal hard disk - Internal hard disk ## are type of Solid-State Storage - Flash memory cards - All answers are correct - Solid-state drives (SSD) - USB drives (Flash drives) ## The communication channel used in a TV remote control is: - Microwave - Satellite - Infrared - Optic fibers ## Computer send and receive - Digital - Continuous - Switch - Analogue ## The physical connection which is faster, lighter and more reliable than coaxial cables is: - Fiber-optic cables - Microwave - Twisted pair - Wi-Max cable ## is a short-range radio communication standard that transmits data over short distances and is used for wireless headsets - Bluetooth - Broadband - TCP/IP - DSL ## cable is used in telephone lines and Ethernet cables - Fiber-optic - Wi-Max - Coaxial - Twisted pair ## is used to communicate over short distances such as in TV remote control. - Satellite - Microwave - Optic fibers - Infrared ## Which of the following physical connection is the Slowest? - Fiber - optic cable - Twisted pair cable - Coaxial cable - Microwave ## The - Gateway - Switch - Printer - Client ## is the central coordinates the flow of data by sending messages directly between sender and receiver nodes is a holding area for data, instructions and information - Memory - Port - Processor - Power supply ## Which of the following is a type of hard disks? - Internal hard disks - Universal hard disk - Global hard disk - Multi hard disk ## The communication channel used in GPS is: - Infrared - Satellite - Microwave - Infrared ## On the internet, the network breaks an e-mail message into small parts of a certain size called - Messages - Packets - Bandwidth - Protocol ## The TV remote control uses - Satellite - Bluetooth - Infrared - Radio ## In a client/server network, the - Switch - Gateway - Server - Client ## In a communication system - Sending and receiving device - Data transmission specifications - Connection devices - Communication channel ## Internal Hard Disks are: - Connected to a USB port on the system unit - Faster than external hard disks - Removable - Located outside the system unit ## External hard disks are: - Removable - Located outside the system unit - All answers - Connected to a USB on the system unit ## In a communication system, the actual connecting medium that carries the message is the - Sending and receiving devices - Communication channel - Data transmission specifications - Connection devices ## signals are continuous electronic waves - Switch - Digital - Analogue - Discrete ## A LAN used in home is called a - Client - Gateway - Servant - Home ## When the computer is turned off : - ROM loses all of its contents - CD loses all of its contents - No data or information is lost - RAM loses all of its contents ## Most cell phones and mobile devices use------ - Infrared - Satellite - Microwave - Cellular ## Which among the following is considered a line-of-sight communication medium? - Broadcast radio - Optic fibers - Bluetooth - Microwave ## In communication channels, physical connections include: - Coaxial cable - All answers are correct - Fiber-optic cable - Twisted cable ## Which of the following is NOT true about external Hard Disks? - Removable - Located outside the system unit - Faster than internal hard disks - Connected to a USB port on the system unit ## It allows computers to share information and to connect to the internet: - Memory - Blu-ray - Microprocessor - Connectivity ## Which of the following is true about internal Hard Disks? - Store and retrieve large quantities of information quickly - Located outside the system unit - Removable - Connected to a USB port on the system unit ## Which of the following sentences is correct? - Optical disks use ink to read and write data - Optical discs use electricity to read and write data - Optical discs use laser beams to read and write data - Optical discs use electromagnets to read and write data ## Which among the following is considered a line-of-sight communication medium? - Bluetooth - Infrared - Broadcast radio - Satellite ## Transit data as pulses of light through tiny tubes of glass. - Microwaves - Cellular cables - Wi-Max cables - Fiber-optic cables ## A specialized server that manages resources, such as user accounts, for an entire network is - Peer server - Directory server - Client server - Node server ## holds data and programs that the CPU is presently processing - Processor - RAM - Port - ROM ## Electronic commerce is an example of application that depends on communication systems - True - False ## Communication systems can be wired or wireless - True - False ## Computer communication is the process of sharing data, programs and information between two or more computers. - True - False ## Telepresence is the ability to fully experience the reality of a different place without being there - True - False ## Traditional data management tools: - Medium Data - Big Data - Traditional Data - Small Data ## When we consider Big Data "Variety" of data relates to the: - Measurement of data - Inclusion of all forms of data - Quality of data - Sharing speed of data ## When we consider Big Data, "Veracity" of data relates to - Data sharing speed - Data measurement - Data quality - Data diversity ## When we consider Big Data, "Velocity" of data relates to - Data sharing speed - Data measurement - Data quality - Data diversity ## When we consider Big Data, "Volume" of data relates to - Data measurement - Data diversity - Data quality - Data sharing speed ## When we consider Big Data, "Android" of data relates to - Measurement of data - Sharing speed of data - Quality of data - Inclusion of all forms of data ## The Volume of traditional data is measured in ------------ - Grambytes - Petabytes - Exabytes - Gigabytes ## The Volume of data in Big Data is measured in - Terabytes - Exabytes - Kilobytes - Gigabytes ## The first step to be followed to benefit from the data in a systematic way is: - Data visualization - Data warehousing - Data modelling and storage in databases - Data mining ## Artificial intelligence is the study of techniques for solving hard problems - True - False