Computer GK-4 - GK Study


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.3A half byte is know is
Ans. Nibble
Q.4A 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.7An 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.10Which 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.14Apple 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.18DSL 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.21The 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.24Packet transmission is related to_________.
Ans. Network layer

Q.25Black 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.28Which 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.32Surgeons 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.35The 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. 
Q.40A________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.43The 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.46Word 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:

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