Computer science
An IT course suitable for all learners.
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Computer science - Marcador
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Computer science - Detalles
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598 preguntas
| 🇬🇧 | 🇬🇧 |
| What is the time required to determine that a number n is prime by using standard algorithm? | Linear time |
| What is called a set of instructions or steps or rules that are followed to solve a problem? | Algorithm |
| What is the mechanism that allows controlling the flow of execution within a program? | Control structure |
| Set of symbols that are used to represent values derived from a common base or radix is called | Number System |
| Which are the most common types of codes used by digital devices to represent character data? | ASCII, Unicode, and their variants |
| ASCII stands for __________ | American Standard Code for Information Interchange |
| In a computer information is stored as _________ | Digital data |
| Images are stored in a computer system as _________ | Bit-mapped graphics |
| A formula which is used to calculate the size of a bit-mapped graphic is _________ | Height x Width x DPI x DPI x Bit Depth |
| _________ are stored as a 2D array of pixels | Bit-mapped graphics |
| What are the common file formats for bit-mapped graphics? | JPEG, GIF and PNG |
| How vector graphics are stored? | As a list of attributes |
| Name a common file format used for vector graphics | SVG (Scalable Vector Graphics) |
| _________ are fixed-point numbers with the radix point fixed after the least-significant bit | Integers |
| Which can represent zero and positive integers? | Unsigned Integers |
| _________ can represent zero, positive and negative integers | Signed integers |
| Small Computers that are designed to control or manage other electronic devices such as dishwasher or TV are called | Embedded systems |
| Which part of the computer controls the power to various components such as motherboard, hard drive etc? | Power supply Unit |
| How is the temperature of the CPU regulated? | Using cooling fan and heat sink |
| CPU stands for | Central Processing Unit |
| Mouse, keyboad, monitor, CPU etc are collectively called? | Hardware of a computer |
| Embedded systems are often used as | Control system |
| Another term for Nodes? | Devices |
| The physical layout of the computer network is known as ________ | Network Topology |
| LAN stands for | Local Area Network |
| WAN stands for? | Wide Area Network |
| WWW stands for | World Wide Web |
| MAC address stands for | Media Access Control address |
| IP address stands for | Internet Protocol address |
| The two principal functions of IP address are | Host/Network interface identification and location addressing |
| The size of an IPv6 address is | 128 bits |
| A subnet mask is combined with an IP address in order to identify two parts which are | Extended network address and the host address |
| OSI reference model stands for | Open System Interconnection |
| WPA stands for _______ | Wi-Fi Protected Access |
| The Devices that provide connectivity to a WiMAX network are known as ? | Subscriber stations |
| Who is the father of Computer? | Charles Babbage |
| A computer must have ? | Operating System |
| The two types of main memory are: | ROM and RAM |