1 Gigabyte is equal to
1.1024 bits
2.1024 bytes
3.1024 kilobytes
4.1024 megabytes
A computer program that translates one statement of program instructions at a time into machine language is called
1.CPU
2.Interpreter
3.Compiler
4.Simulator
A program placed in a legitimate program for unauthorized and hidden access to the system is called:
1.Trapdoor
2.Bomb
3.Worm
4.None of these
A technique to get small amount of money illegally from large financial system is:
1.Zapping
2.Data Diddling
3.Salami
4.Piggy backing
A type of reader commonly used to read UPC code is __________.
1.Bar-code reader
2.Optical-mark reader
3.Magnetic-ink reader
4.Both A and C
An address is a _____, while a pointer is a _____.
1.constant, variable
2.variable, constant
3.constant, constant
4.variable, variable
An important property of fiber optic is
1.Refraction
2.Reflection
3.Interface
4.None Of These
Analog signal is measured in:
1.Volt
2.Hertz
3.Digits
4.WATTS
Bundling data and functions together is known as
1.debugging
2.encapsulation
3.overloading
4.polymorphism
Caps Lock is a:
1.Window key
2.Modifier key
3.Toggle key
4.Cursor control key
CRT stands for?
1.Cathode Rays Tube
2.Clarity Rays Tube
3.Crystal Rays Tube
4.None Of These
Data is transmitted block-by-block in ___________ transmission.
1.Digital
2.Analog
3.Synchronous
4.Asynchronous
DOS was introduced by
1.IBM
2.Xerox
3.Microsoft
4.Bell labs
FormatC is an example of virus _________.
1.Chernobal
2.Logic Bomb
3.Boot Sector
4.Torjan Horse
GPS stands for?
1.Global Pointing System
2.Global Positioning System
3.Google Positioning System
4.None Of These
he computer can move data and instructions between storage and memory as needed, in a process called
1.Volatility
2.Swapping
3.Pipelining
4.Exchanging
If a legitimate user does not log off from system, an illegitimate user may be involved in:
1.Zapping
2.Scavenging
3.Trapdoor
4.Piggy Backing
In C++, a pointer is
1.address of a variable
2.variable for storing addresses
3.data type of an address variable
4.constant value
In MS Windows key F1 is mostly used for
1.Help
2.Exit
3.Save
4.Refresh
Internet surfing is an example of:
1.Half duplex
2.Simplex
3.Full duplex
4.None Of These
MAN stands for?
1.Metropolitan Arranged Network
2.Marked Area Network
3.Manufactured Arrangements of Networks
4.Metropolitan Area Network
NTFS stands for?
1.New Trend File Saving
2.Network File Saving
3.New Technology File System
4.None Of These
Open System Interconnection(OSI) model consists of _________ layers.
1.Eight
2.Six
3.Seven
4.Five
The amount of time taken by a device to begin reading data is called
1.Seek time
2.Read time
3.Access time
4.Write time
The dots that compose the image of a digital photograph are called __________.
1.Points
2.Resolution Points
3.Digital Points
4.Pixels
The file type #include is called
1.syntax
2.operator
3.header file
4.string constant
The goto statement causes control to go to a/an
1.function
2.operator
3.variable
4.label
The most widely used code for representing characters in computers is
1.ASCII
2.BCD
3.EBCDIC
4.None Of These
The process to convert analog signals into digital signals is called
1.Modulation
2.Demodulation
3.Digitization
4.Conversion
The RAID technology that contributes to fault tolerance is called
1.Disk mirroring
2.Tolerant computing
3.Data striping
4.None Of These
The software used for workgroup computing is called
1.Shareware
2.Freeware
3.Groupware
4.Both A and B
The term that refers to a circular portion of the disk is:
1.Track
2.Cylinder
3.Sector
4.Machine cycle
The translated program into machine code is called _________.
1.Source program
2.Object program
3.System program
4.None Of These
The type of reader commonly used to read bank cheques is
1.OPtical-mark reader
2.Magnetic-ink reader
3.Bar-code reader
4.None Of These
To generate different random numbers in C++, which of the following header file(s) must be included?
1.#include <rand>
2.#include <cstdlib>
3.#include <ctime>
4.#include <cstdlib> and #include <ctime>
What is the statement that displays the address of the variable myvar?
1.myvar;
2.&myvar;
3.cout << myvar;
4.cout << &myvar;
What type of operating system MS-DOS is?
1.Command Line Interface
2.Graphical User Interface
3.Multitasking
4.Menu Driven Interface
When you press a key, which device notifies the system software?
1.Keyboard
2.Keyboard Controller
3.Keyboard Buffer
4.Keyboard Handler
Which of the following coding schemes uses 4-bit code?
1.Unicode
2.ASCII
3.EBCDIC
4.BCD
Which of the following communication medium requires line-of-sight ?
1.Microwave
2.Fiber-Optic cable
3.Twisted-Pair cable
4.Coaxial cable
Which of the following devices stores instructions that help the computer startup?
1.Keyboard
2.RAM
3.ROM
4.Hard disk
Which of the following is LAN protocol?
1.Ethernet
2.ARCnet
3.Token Ring
4.All
Which of the following keyboard shortcuts is used to change the case?
1.Ctrl+F3
2.Alt+F3
3.Shift+F3
4.Ctrl+Shift+F3
Which of the following memories can be re-written by using electrical devices?
1.PROM
2.ROM
3.EEPROM
4.EPROM
Which of the following operating system is based on open-source software?
1.UNIX
2.Windows 2000
3.Windows NT
4.Linux
Which of the following RAID technology is used to improve system performance?
1.Data striping
2.Disk mirroring
3.Tolerant computing
4.None of these
Which of the following standards were developed without any formal planning?
1.De Facto
2.De Jure
3.ISO
4.Both A and B
Which one is the Bottom-most layer of OSI model?
1.Data link
2.Physical
3.Network
4.Transport
_________ is a collection of system programs that controls and co-ordinates the overall operations of a computer system.
1.System software
2.Operating system
3.Utility program
4.Device driver
_________ uses liquid crystal between the glass plates.
1.ELD
2.LCD
3.CRT
4.None of These