tech questions and answers : computer mcq for competitive exam

tech questions and answers : computer mcq for competitive exam

A hybrid computer is the one having combined properties of
________
(A) Micro & Mini computers
(B) Mini & Super Computers
(C) Mainframe & Super Computers
(D) Analog & Digital computers
Answer
(D) Analog & Digital computers

Which of the following uses a handheld Operating Systems?
(A) Super Computer
(B) Laptop
(C) Mainframe
(D) PDA
Answer
(D) PDA

A _______ terminal can display images as well as text.
(A) text
(B) dumb
(C) graphical
(D) None of the Above
Answer
(C) graphical

The word length of Micro computers lies in the range between
________
(A) 8 and 16 bits
(B) 8 and 21 bits
(C) 8 and 24 bits
(D) 8 and 32 bits
Answer
(D) 8 and 32 bits

The fastest and most expensive computers are______
(A) Super Computers
(B) Quantum Computers
(C) Mainframe Computers
(D) Micro Computers
Answer
(A) Super Computers

Which of the following is the smallest and fastest computer imitating brain working?
(A) Super Computer
(B) Quantum Computer
(C) Mainframe Computer
(D) PDA
Answer
(B) Quantum Computer

A _____ terminal does not process or store data.
(A) dumb
(B) intelligent
(C) Both(A) & (B)
(D) None of the Above
Answer
(A) dumb

The user generally applies _________ to access mainframe or super computer?
(A) node
(B) terminal
(C) desktop
(D) None of the Above
Answer
(B) terminal

Desktop and Personal computers are also known as_______
(A) Super Computer
(B) Quantum Computer
(C) Mainframe Computer
(D) Micro Computer
Answer
(D) Micro Computer

Graphical terminals are divided into two types. They are _____
(A) text and dumb
(B) dumb and intelligent
(C) vector mode and raster mode
(D) None of the Above
Answer
(C) vector mode and raster mode

Which language is used for Artificial Intelligence (AI)?
(A) FORTRAN
(B) COBOL
(C) C
(D) PROLOG
Answer
(D) PROLOG

Who coined the term “Artificial Intelligence”?
(A) Charles Babbage
(B) Alan Tuning
(C) Von Neumann
(D) John McCarthy
Answer
(D) John McCarthy

 _________ is a computational model based on the structure of biological neural networks?
(A) Artificial Neural Network (ANN)
(B) Biological Network
(C) Both(A) & (B)
(D) None of the Above
Answer
(A) Artificial Neural Network (ANN)

A neural network in which the signal passes in only one direction is called _____
(A) Feed forward Neural Network
(B) Recurrent Neural Network
(C) Both(A) & (B)
(D) None of the Above
Answer
(A) Feed forward Neural Network

 _________ is an artificial neural network with multiple hidden layers between the input and output layers?
(A) Deep neural network
(B) Shallow neural network
(C) Both(A) & (B)
(D) None of the Above
Answer
(A) Deep neural network

The most famous Recurrent Neural Network is _______
(A) Perceptrons
(B) Radial Basis Networks
(C) Hopfield net
(D) None of the Above
Answer
(C) Hopfield net

Which neural network allows feedback signal?
(A) Feed forward Neural Network
(B) Recurrent Neural Network
(C) Both(A) & (B)
(D) None of the Above
Answer
(B) Recurrent Neural Network

Which of the following is/are application(s) of Neural Network?
(A) Pattern recognition
(B) Mobile Computing
(C) Speech reading(Lip-reading)
(D) All of the Above
Answer
(D) All of the Above

Which algorithm is used in layered Feed forward Neural Network?
(A) Back propagation algorithm
(B) Binary Search
(C) Both(A) & (B)
(D) None of the Above
Answer
(A) Back propagation algorithm

Radial Basis Function (RBF) networks have _____ layers.
(A) One
(B) Four
(C) Two
(D) Three
Answer
(D) Three

The chip used in computers, is made of ______
(A) Silicon
(B) Iron Oxide
(C) Chromium
(D) None of the Above
Answer
(A) Silicon

Fourth Generation computers were based on _______
(A) IC
(B) Vacuum tube
(C) transistor
(D) Microprocessors
Answer
(D) Microprocessors

The first computer language developed was______
(A) COBOL
(B) PASCAL
(C) BASIC
(D) FORTRAN
Answer
(D) FORTRAN

The first calculator that can perform all four arithmetic operations(Addition, Subtraction, Multiplication, Division) was known as______
(A) Pascaline
(B) Slide Rule
(C) Step Reckoner
(D) None of the Above
Answer
(C) Step Reckoner

The first computer spreadsheet program was_________
(A) Lotus 1-2-3
(B) MS Excel
(C) Visicalc
(D) None of the Above
Answer
(C) Visicalc

Which of the following is an example for fourth generation language(4GL)?
(A) COBOL
(B) PowerBuilder
(C) FORTRAN
(D) None of the Above
Answer
(B) PowerBuilder

VDU stands for________
(A) Video Display Unit
(B) Visual Display Unit
(C) Video Divide Unit
(D) None of the Above
Answer
(B) Visual Display Unit

Which language is directly understood by the computer without translation program?
(A) BASIC
(B) Assembly language
(C) Machine language
(D) C language
Answer
(C) Machine language

Herman Hollerith developed a machine called________
(A) Pascaline
(B) Analytical engine
(C) Census Tabulator
(D) Tabulating Machine
Answer
(D) Tabulating Machine

Electronic Delay Storage Automatic Computer(EDSAC) was invented by _________
(A) Herman Hollerith
(B) JW Mauchy
(C) John Von Neumann
(D) None of the Above
Answer
(C) John Von Neumann

Which registers can interact with secondary memory?
(A) Register
(B) Memory Address Register(MAR)
(C) Instruction Register(IR)
(D) None of the Above
Answer
(B) Memory Address Register(MAR)

Which Flip Flop is used to store data in registers?
(A) D Flip Flop
(B) JK Flip Flop
(C) RS Flip Flop
(D) None of the Above
Answer
(A) D Flip Flop

ISP stands for______
(A) Instruction Standard Processing
(B) Instruction Standard Processor
(C) Information Set Processing
(D) Instruction Set Processor
Answer
(D) Instruction Set Processor

The decoded instruction is stored in ______
(A) Register
(B) Memory Address Register(MAR)
(C) Instruction Register(IR)
(D) None of the Above
Answer
(C) Instruction Register(IR)

Which is not an integral part of computer?
(A) CPU
(B) Monitor
(C) Mouse
(D) UPS
Answer
(D) UPS

The most frequently used instructions of a computer program are likely to be fetched from ______
(A) Hard disk
(B) ROM
(C) RAM
(D) Cache
Answer
(D) Cache

The primary aim of computer process is to convert the data into______
(A) table
(B) graph
(C) file
(D) information
Answer
(D) information

The main circuit-board of the system unit is _______
(A) RAM
(B) Mother Board
(C) Hard disk
(D) None of the Above
Answer
(B) Mother Board

ALU and Control Unit have special purpose locations called_______
(A) Registers
(B) Mother Board
(C) Sockets
(D) None of the Above
Answer
(A) Registers

The communication line between CPU memory and Peripherals is called a _________
(A) Registers
(B) Mother Board
(C) Bus
(D) None of the Above
Answer
(C) Bus

A communication system that transfers data between the components inside a computer or between computers is called _______
A. Port
B. Bus
C. Registers
D. None of the Above
Answer
B. Bus

A communication system that transfers data between the components inside a computer or between computers is called _______
A. Port
B. Bus
C. Registers
D. None of the Above
Answer
B. Bus

A bus that connects a computer to Peripheral devices is called_______
A. System Bus
B. Memory Bus
C. Front-Side Bus
D. External Bus
Answer
D. External Bus

External Bus is also referred as _________
A. System Bus
B. Memory Bus
C. Front-Side Bus
D. Expansion Bus
Answer
D. Expansion Bus

The Command to access the memory or the I/O device is carried by ______
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above
Answer
C. Control Bus

A computer bus that is used to specify a Physical address?
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above
Answer
A. Address Bus

A bus that transfer data from one component to another or between computers is called _________
A. Address Bus
B. Data Bus
C. Control Bus
D. None of the Above
Answer
B. Data Bus

RISC stands for________
A. Reverse Instruction Set Computer
B. Reverse Information Set Computer
C. Reduced Information Set Computer
D. Reduced Instruction Set Computer
Answer
D. Reduced Instruction Set Computer

 ________ is a register for Short-term, intermediate storage of arithmetic and logic data in a Computer’s CPU.
A. Accumulator
B. Bus
C. Buffer
D. None of the Above
Answer
A. Accumulator

_________ is a group of commands for a CPU in machine language.
A. Information Set
B. Instruction Set
C. Buffer
D. None of the Above
Answer
B. Instruction Set

Von Neumann Architecture is a _______
A. Multiple Instruction Multiple Data(MIMD)
B. Single Instruction Multiple Data(SIMD)
C. Multiple Instruction Single Data(MISD)
D. Single Instruction Single Data(SISD)
Answer
D. Single Instruction Single Data(SISD)

Programming that actually controls the path of signals or data within computer is called________
A. Assembly language Programming
B. Machine language Programming
C. Micro Programming
D. None of the Above
Answer
C. Micro Programmin

CISC stands for _________
A. Compound Instruction Set Computer
B. Complex Information Set Computer
C. Compound Information Set Computer
D. Complex Instruction Set Computer
Answer
D. Complex Instruction Set Computer

The register which holds the address of the location to or from which data are to be transferred is known as_______
A. Instruction Register
B. Control register
C. Memory Address Register
D. None of the Above
Answer
C. Memory Address Register

An interrupt can be temporarily ignored by the counter is called _______
A. Maskable Interrupt
B. Non-maskable Interrupt
C. vectored Interrupt
D. None of the Above
Answer
A. Maskable Interrupt

The computer performs all mathematical and logical operations inside its _______
A. Visual Display Unit
B. Memory Unit
C. Output Unit
D. Central Processing Unit
Answer
D. Central Processing Unit

Which of the following Unit can be used to measure the speed of a computer?
A. BAUD
B. SYPS
C. MIPS
D. None of the Above
Answer
C. MIPS

The circuit used to store one bit of data is known as_____
A. Encoder
B. OR
C. Flip Flop
D. None of the Above
Answer
C. Flip Flop

The control unit controls other units by generating control and _______
A. Command Signals
B. Timing signals
C. Transfer signals
D. None of the Above
Answer
B. Timing signals

Which of the following bus structure is usually used to connect I/O devices?
A. Single bus
B. Multiple bus
C. Star bus
D. None of the Above
Answer
A. Single bus

An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as________
A. DDA
B. Serial interface
C. Direct Memory Access (DMA)
D. None of the Above
Answer
C. Direct Memory Access (DMA)

A basic instruction that can be interpreted by computer generally has ________
A. An operand and an address
B. decoder and an accumulator
C. Sequence register and decoder
D. None of the Above
Answer
A. An operand and an address

The load instruction is mostly used to designate a transfer from memory to a processor register known as_________
A. Accumulator
B. Instruction Register
C. Program counter
D. Memory address Register
Answer
A. Accumulator

The communication between the components in a microcomputer takes place via the address and ______
A. I/O bus
B. Data bus
C. Address bus
D. None of the Above
Answer
B. Data bus

The operation executed on data stored in registers is called_______
A. Macro-operation
B. Micro-operation
C. Bit-operation
D. None of the Above
Answer
B. Micro-operation

Which register keeps tracks of the instructions in the program stored in memory?
A. Address Register
B. Index Register
C. Program Counter
D. None of the Above
Answer
C. Program Counter

In which addressing mode the operand is given explicitly in the instruction?
A. Absolute
B. Immediate
C. Indirect
D. Direct
Answer
B. Immediate

When necessary, the results are transferred from the CPU to main memory by _______
A. I/O devices.
B. CPU.
C. Shift registers.
D. None of the Above.
Answer
C. Shift registers.

A group of bits that tell the computer to perform a specific operation is known as_______
A. Instruction code
B. Micro-operation
C. Accumulator
D. Register
Answer
A. Instruction code

The average time required to reach a storage location in memory and obtain its contents is called_____.
A. Latency time.
B. Access time.
C. Turnaround time.
D. Response time.
Answer
B. Access time.

The addressing mode which makes use of in-direction pointers is ______
A. Offset addressing mode
B. Relative addressing mode
C. Indirect addressing mode
D. None of the Above
Answer
C. Indirect addressing mode

Which addressing mode is most suitable to change the normal sequence of execution of instructions?
A. Immediate
B. Indirect
C. Relative
D. None of the Above
Answer
C. Relative

Which of the following is used as an intermediate to extend the processor BUS?
A. Gateway
B. Router
C. Connector
D. Bridge
Answer
D. Bridge

The method of accessing the I/O devices by repeatedly checking the status flags is_________
A. Memory-mapped I/O
B. Program-controlled I/O
C. I/O mapped
D. None of the Above
Answer
B. Program-controlled I/O

The process where in the processor constantly checks the status flags is called as _________
A. Polling
B. Inspection
C. Reviewing
D. None of the Above
Answer
A. Polling

The branch logic that provides decision making capabilities in the control unit is known as_______
A. conditional transfer
B. unconditional transfer
C. Both (A) and (B)
D. None of the above
Answer
B. unconditional transfer

Interrupts that are initiated by an instruction are_______
A. internal
B. external
C. hardware
D. software
Answer
D. software

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