ComputerGK
दिसंबर 26, 2017
Computer GK-4
Computer General knowledge for all competitive exam like ibps,ssc,mppsc,vyapam,RRB. Don't forget to follow our website to get notifications on your email
| Q.1 | A lever used to control the movement of a cursor on a video screen is |
| Ans. | Toystick |
| Q.2 | In synchronous transmission data from various sources |
| Ans. | Do not require header |
| Q.3 | A half byte is know is |
| Ans. | Nibble |
| Q.4 | A monitor looks like a TV set but it does not |
| Ans. | Receive TV signals |
| Q.5 | The first generation computers were characterised by |
| Ans. | Thermionic valves |
| Q.6 | RAM is used as a short memory because it is |
| Ans. | Volatile |
| Q.7 | An Assembler is a |
| Ans. | Program |
| Q.8 | Which unit decodes information and present to the used |
| Ans. | Output unit |
| Q.9 | Main storage is also called |
| Ans. | Memory |
| Q.10 | Which device uses much less computer time than the light pen and gives resolutions equal to the CRT display |
| Ans . | Data tablet |
| Q.11 | ________is a set of computer program that enables your computer program used on a computer to help perform tasks |
| Ans. | Software |
| Q.12 | System software is the set of programs that enables your computer's hardware devices and_______software to work together |
| Ans. | Application |
| Q.13 | The PC(Personal Computer)and the Apple Macintosh are examples of two different: |
| Ans. | Platform |
| Q.14 | Apple Macintoshes(Macs) and PCs use different____________to process data and different operating systems. |
| Ans. | CPUs |
| Q.15 | Servers are computers that provide resources to other computers connected to a: |
| Ans. | Network |
| Q.16 | Smaller and less expensive PC-based servers are replacing________in many businesses. |
| Ans. | Mainframe |
| Q.17 | _________are specially designed computer that perform complex calculations extremely rapidly. |
| Ans. | Supercomputer |
| Q.18 | DSL is an example of a(n)______connection. |
| Ans. | Broadband |
| Q.19 | The different between people with access to computers and the Internet and those without this access is known as the: |
| Ans. | Digital divide |
| Q.20 | ______is the science revolving around the use of nano structures to build devices on an extremely small scale. |
| Ans. | Nanotechnology |
| Q.21 | The first committee namely________gave its recommendations during the computerization in banking. |
| Ans. | Dr. C. Rangarajan Committee |
| Q.22 | One of the early coding systems,based on the idea of converting each digit of a decimal number into its binary equivalent rather than converting the entire decimal value into a pure binary form is_____. |
| Ans. | BCD |
| Q.23 | Java is referred to as a(n)_______. |
| Ans. | High level language |
| Q.24 | Packet transmission is related to_________. |
| Ans. | Network layer |
| Q.25 | Black box testing something called_______. |
| Ans. | Behavioral testing |
| Q.26 | Which gate is known as Universal gate? |
| Ans. | NAND gate |
| Q.27 | A scripting language similar to HTML and which runs only on a browser is_________. |
| Ans. | Java Script |
| Q.28 | Which key combination is used to minimize all open windows and displays in the screen. |
| Ans. | Windows Key+D |
| Q.29 | Computer based record keeping system is known as_______. |
| Ans. | DBMS(data base Management System) |
| Q.30 | A digital gate can respond to an input signal in__________. |
| Ans. | A few billionth of a sec |
| Q.31 | __________is molecules and structures whose size ranges from 1 to 100 nanometers. |
| Ans. | Nanoscience |
| Q.32 | Surgeons can perform delicate operations by manipulating devices through computers instead of manually. This technology is known as: |
| Ans. | Robotics |
| Q.33 | A process known as______is used by large retailers to study trends. |
| Ans. | Data mining |
| Q.34 | ______terminals( formerly known as cash registers) are often connected to complex inventory and sales computer systems. |
| Ans. | Point-of-sale( POS) |
| Q.35 | The ability to recover and read deleted or damaged files from a criminalâs computer is an example of a law enforcement specialty called: |
| Ans. | Computer forensics |
| Q.36 | Technology no longer protected by copyright, available to everyone, is considered to be: |
| Ans. | Proprietary |
| Q.37 | A( n)________system is a small, wireless handheld computer that scans an itemâc s tag and pulls up the current price( and any special offers) as you shop. |
| Ans. | PSS |
| Q.38 | ________tags, when placed on an animal, can be used to record and track in a database all of the animal movements. |
| Ans. | RFID |
| Q.40 | A________is approximately one billion bytes. |
| Ans. | Gigabyte |
| Q.41 | A_______is approximately a million bytes. |
| Ans . | Megabyte |
| Q.42 | ________is any part of the computer that you can physically touch. |
| Ans. | Hardware |
| Q.43 | The components that process data are located in the: |
| Ans. | System unit |
| Q.44 | The__________,also called the brains of the computer, is responsible for processing data. |
| Ans. | Central Processing Unit |
| Q.45 | The CPU and memory are located on the: |
| Ans. | Motherboard |
| Q.46 | Word processing, spreadsheet, and photo-editing are examples of |
| Ans. | Application software |
| Q.47 | ________is the science that attempts to produce machines that display the same type of intelligence that humans do. |
| Ans. | Artificial intelligence |
| Q.48 | The term bit is short for: |
| Ans. | Binary digit |
| Q.49 | A string of eight 0s and 1s is called a: |
| Ans. | Byte |
