Computer Knowledge One-Liner Questions for Competitive Exams

sponsored links

Hi I am Sarath Chandra ...here i am sharing some important Computer One-liner questions for upcoming competitive exams. Happy Reading :)

1 nibble equals to---------4 bits
A collection of related instructions organized for a common purpose is referred to as------Program
A Dumb terminal has--------Keyboard and Screen
A group of magnetic tapes, videos or terminals usually under the control of one master is---Cluster
A hybrid computer------- Resembles both a digital and analogue computer
A normal CD-ROM usually can store up to data-----------680 MB
A Pixel is--------------- The smallest resolvable part of a picture
A register organized to allow to move left or right operations is called a---Shift register
A set of flip flops integrated together is called---------------Register
A technique used by codes to convert an analog signal into a digital bit stream is known as-------- Pulse code modulation
Abacus was the first--------------- mechanical calculator
An application program that helps the user to change any number and immediately see the result of that change is--------- Spreadsheet
An error in computer data is called--------Bug
An input /output device at which data enters or leaves a computer system is---------- Terminal
An integrated circuit is-------------------- Fabricated on a tiny silicon chip
An output device that uses words or messages recorded on a magnetic medium to produce audio response is-----------Voice response unit
ASCII and EBCDIC are the popular character coding systems
ASCII stands for---------American Standard Code for Information Interchange
ASCII stands for------American Standard Code for Information Interchange
Before a disk can be used to store data. It must be------Formatted
Can you tell what passes into and out from the computer via its ports ----Data
CD-ROM stands for------------Compactable Disk Read Only Memory
Chief component of first generation computer was----- Vacuum Tubes and Valve
Computer instructions written with the use of English words instead of binary machine code is called-----opcode
Computer is free from tiresome and boardoom. We call it------ Diligence
Computer Model IBM 1401 is-------- Second Generation Computer
Computer professionals working in a computer centre are--------- Humanware
Computer system comprises of major units---- input unit, output unit, central processing unit and storage unit
Computers built before the First Generation of computers were----------Electro-mechanical
country which contributed-----Taiwan
CPU speed of a personal computer is------------------100 KIPS( thousand instructions per second )
Descending Order of a data Hierarchy is------- Database – File – Record – Fields – Bytes – Bit
EBCDIC stand for----------------------- Extended Binary Coded Decimal Interchange Code
EEPROM stands for-----Electrically Erasable Programmable Read Only Memory
Fifth generation computer is also known as---------------------Very Knowledge information processing system
Floppy disks which are made from flexible plastic material are also called-------Diskettes
FORTRAN programming language is more suitable for--------Scientific Applications
From which generation computers the printers were used------ second
From which generation operating systems were developed-------- Third
Hard disk is coated in both sides with-------- Magnetic metallic oxide
High density double sided floppy disks could store of data------------------------- 1.44 MB
IBM 1401 computer was------------Mainframe Computer
If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be-------- 65,536
IMB launched its first personal computer called IBM-PC in 1981. It had chips from Intel, disk drives from Tandon, operating system from Microsoft, the printer from Epson and the application software from everywhere. Can you name the
In ________ mode, the communication channel is used in both directions at the same time---- Full-duplex
In a computer _____ is capable to store single binary bit-------Flip flop
In Computer Architecture a Bus is-------a collection of shared communication wires
In Computer System Memory management operations are performed by------ Operating system
In Computer terminology ‘CAD’ is stands for----------Computer Aided Design
In computing and electronic systems BCD is abbreviation of------ Binary Coded Decimal
In which mode Windows starts with only the core drivers & services-------Safe Mode
Instructions and memory address are represented by-------- Binary codes
Magnetic tape can serve as------Secondary storage media
Memory is made up of------- Large number of cells
MICR stands for------Magnetic Ink Character Reader
Mnemonic a memory trick is used in which of the following language------ Assembly language
Mostly of the following device is used to carry user files-------Floppy Disk
MSI is the abbreviation of------------------------ Medium Scale Integrated
Multi user systems provided cost savings for small business because they use a single processing unit to link several------ Dumb terminals
Operating system, editors, and debuggers comes under--------System Software
Physical connection between Microprocessor Memory and other parts is called---Address bus
Plotter accuracy is measured in terms of repeatability and--------------Resolution
Programs are executed on the basis of a priority number in a--------------------------Multiprogramming
RATS stand for---------Regression Analysis Time Series
Raw facts and figures about any particular topic are-------- data
Shortcut Notation for groups of four Binary Digits is called Number-----Hexadecimal
Signals can be analog or digital and a computer that processes the both type of signals is known as-------Hybrid Computer
Size of the primary memory of a PC ranges between---------------64KB & 256KB
Speed of Laser Printer is measured in--------PPM (pages of text per minute )
The acronym of WORM in a Computer System is---------Write Once Read Many
The ALU of a computer responds to the commands coming from----- Control section
The arranging of data in a logical sequence is called----------- Sorting
The BIOS is the abbreviation of------------------------Basic Input Output System
The cheapest memory devices in terms of Cost/Bit-----------Compact Disks
The contents of information are stored in--------- Memory data register
The difference between memory and storage is that ---------- memory is Temporary and storage is permanent
The fastest access time------------------------------Semiconductor Memories
The first digital computer built with IC chips was known as----------IBM System / 360
The first general purpose electronic computer in the world was-------- ENIAC
The first general purpose electronic digital computer in the world was--- UNIVAC(UNIVersal Automatic Computer)
The first Macintosh computer was from---- Fourth generation
The first microprocessor built by the Intel corporation was called--------4004
The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as----------Magnetic bubble memory
The memory which is programmed at the time it is manufactured------- PROM
The output quality of a printer is measured by-------------Dot per inch
The programs which are as permanent as hardware and stored in ROM is known as----- Firmware
The programs which are as permanent as hardware and stored in ROM is known as-------- Firmware
The Second Generation Computer was based on-------------Transistor
the stages in the compilation process--------Lexical Analysis, syntax analysis, and code generation
The subject of cybernetics deals with the science of-------Control and communication
The Third Generation Computer was made with--------------IC(Integrated Circuit)
The two kinds of main memory are---------- Primary and secondary
The two major types of computer chips are----------- Primary memory chip, Microprocessor chip
Through which device the main components of the computer communicate with each other------------------System Bus
To “Debug” the System means-------- Find and Correct Errors on System
UNIVAC is-------- Universal Automatic Computer
WAN stands for------- Wide Area Network
What are the computers called that performs calculations and comparisons usually in the binary numbering system---------- Digital Computers
What do you call the translator which takes assembly language program as input & produce machine language code as output------ Assembler
What does DMA stand for----------------------Direct Memory Access
What is a compiler---- A compiler converts the whole of a higher level program code into machine code in one step
What is a light pen-------------Optical input device
What is an interpreter--------An interpreter does the conversion line by line as the program is run
What is required when more than one person uses a central computer at the same time------ Terminal
What is the date when Babbage conceived Analytical engine------- 1837
What is Unicode----------Character Encoding System
When a key is pressed on the keyboard, which standard is used for converting the keystroke into the corresponding bits-----------------------------ANSI
When did John Napier develop first logarithm------1614
When was vacuum tube invented----------- 1906
Which access method is used to access cassette tape------ Sequential
Which company is the biggest player in the microprocessor industry----- Intel
Which device is used as the standard pointing device in a Graphical User Environment----Mouse
Which is the largest manufacturer of Hard Disk Drives---------Seagate
Which is used for manufacturing chips---------- Semiconductors
Which is used for manufacturing chips------Semiconductor
Which language is directly understood by the computer without translation program----Machine language
Which Language that Computer can Understand & Execute-------Machine Language
Which machine was not invented by Charles Babbage-------Analytical Engine and Difference Engine
Which number system is usually followed in a typical 32-bit computer---------------- Binary
Which of the following IC was used in third generation of computers--- SSI( Small-Scale Integration),MSI( Medium Scale Integration)
Which of the following is the most commonly used encoding standard of Unicode-----UTF-8(Unicode Transformation Format)
Which of the following memories must be refreshed many times per second----- Dynamic RAM
Which of the following programming language were used in first generation computers------ Machine language
Which of the printers used in conjunction with computers uses dry ink powder--------- Laser printer
Which parameters decided the performance of the memory—Latency, Cycle time, Transfer rate
Which produces the best quality graphics reproduction---------- Plotter
Which storage devices can store maximum amount of data----------Hard Disk
Which technology is used in Compact disks-------Laser
Which technology is used in Compact disks-------Laser
Which unit holds data temporarily------- Primary Memory Unit
Which was the most popular first generation computer------------ IBM 1650
Which was the world’s first minicomputer and when was it introduced-------PDP-I, 1958
Who designed the first electronics computer ? ENIAC-------------J. P. Eckert and J. W. Mauchly
Who developed a mechanical device in the 17th century that could add, subtract, multiple, divide and find square roots--------Leibniz
Who invented Integrated Circuit (IC)----------- Jack Kilby
Who invented the microprocessor----------------Marcian E Huff
Who is the inventor of ABC Computer------- John v. Atanasoff, Clifford Berry
Word length of a Personal Computer is---------------8 bits