R4RIN – MCQs, Mock Tests | NTS NTS COMPUTER MCQ SET 2

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

✅ Correct Answer: 2

What is the statement that displays the address of the variable myvar?

1. myvar;
2. &myvar;
3. cout << myvar;
4. cout << &myvar;

✅ Correct Answer: 4

An address is a _____, while a pointer is a _____.

1. constant, variable
2. variable, constant
3. constant, constant
4. variable, variable

✅ Correct Answer: 1

The dots that compose the image of a digital photograph are called __________.

1. Points
2. Resolution Points
3. Digital Points
4. Pixels

✅ Correct Answer: 4

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

✅ Correct Answer: 1

Caps Lock is a:

1. Window key
2. Modifier key
3. Toggle key
4. Cursor control key

✅ Correct Answer: 3

GPS stands for?

1. Global Pointing System
2. Global Positioning System
3. Google Positioning System
4. None Of These

✅ Correct Answer: 2

Internet surfing is an example of:

1. Half duplex
2. Simplex
3. Full duplex
4. None Of These

✅ Correct Answer: 1

The file type #include is called

1. syntax
2. operator
3. header file
4. string constant

✅ Correct Answer: 3

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>

✅ Correct Answer: 4

Analog signal is measured in:

1. Volt
2. Hertz
3. Digits
4. WATTS

✅ Correct Answer: 1

_________ uses liquid crystal between the glass plates.

1. ELD
2. LCD
3. CRT
4. None of These

✅ Correct Answer: 2

Open System Interconnection(OSI) model consists of _________ layers.

1. Eight
2. Six
3. Seven
4. Five

✅ Correct Answer: 3

Which of the following coding schemes uses 4-bit code?

1. Unicode
2. ASCII
3. EBCDIC
4. BCD

✅ Correct Answer: 4

Which of the following communication medium requires line-of-sight ?

1. Microwave
2. Fiber-Optic cable
3. Twisted-Pair cable
4. Coaxial cable

✅ Correct Answer: 1

The goto statement causes control to go to a/an

1. function
2. operator
3. variable
4. label

✅ Correct Answer: 4

Bundling data and functions together is known as

1. debugging
2. encapsulation
3. overloading
4. polymorphism

✅ Correct Answer: 2

_________ 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

✅ Correct Answer: 2

The translated program into machine code is called _________.

1. Source program
2. Object program
3. System program
4. None Of These

✅ Correct Answer: 2

FormatC is an example of virus _________.

1. Chernobal
2. Logic Bomb
3. Boot Sector
4. Torjan Horse

✅ Correct Answer: 4

What type of operating system MS-DOS is?

1. Command Line Interface
2. Graphical User Interface
3. Multitasking
4. Menu Driven Interface

✅ Correct Answer: 1

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

✅ Correct Answer: 3

A technique to get small amount of money illegally from large financial system is:

1. Zapping
2. Data Diddling
3. Salami
4. Piggy backing

✅ Correct Answer: 3

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

✅ Correct Answer: 4

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

✅ Correct Answer: 1

The term that refers to a circular portion of the disk is:

1. Track
2. Cylinder
3. Sector
4. Machine cycle

✅ Correct Answer: 1

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

✅ Correct Answer: 1

CRT stands for?

1. Cathode Rays Tube
2. Clarity Rays Tube
3. Crystal Rays Tube
4. None Of These

✅ Correct Answer: 1

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

✅ Correct Answer: 2

NTFS stands for?

1. New Trend File Saving
2. Network File Saving
3. New Technology File System
4. None Of These

✅ Correct Answer: 3

In MS Windows key F1 is mostly used for

1. Help
2. Exit
3. Save
4. Refresh

✅ Correct Answer: 1

1 Gigabyte is equal to

1. 1024 bits
2. 1024 bytes
3. 1024 kilobytes
4. 1024 megabytes

✅ Correct Answer: 4

The most widely used code for representing characters in computers is

1. ASCII
2. BCD
3. EBCDIC
4. None Of These

✅ Correct Answer: 1

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

✅ Correct Answer: 2

Which of the following devices stores instructions that help the computer startup?

1. Keyboard
2. RAM
3. ROM
4. Hard disk

✅ Correct Answer: 3

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

✅ Correct Answer: 2

When you press a key, which device notifies the system software?

1. Keyboard
2. Keyboard Controller
3. Keyboard Buffer
4. Keyboard Handler

✅ Correct Answer: 2

DOS was introduced by

1. IBM
2. Xerox
3. Microsoft
4. Bell labs

✅ Correct Answer: 1

Which of the following operating system is based on open-source software?

1. UNIX
2. Windows 2000
3. Windows NT
4. Linux

✅ Correct Answer: 4

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

✅ Correct Answer: 3

The RAID technology that contributes to fault tolerance is called

1. Disk mirroring
2. Tolerant computing
3. Data striping
4. None Of These

✅ Correct Answer: 1

MAN stands for?

1. Metropolitan Arranged Network
2. Marked Area Network
3. Manufactured Arrangements of Networks
4. Metropolitan Area Network

✅ Correct Answer: 4

The software used for workgroup computing is called

1. Shareware
2. Freeware
3. Groupware
4. Both A and B

✅ Correct Answer: 3

Which of the following standards were developed without any formal planning?

1. De Facto
2. De Jure
3. ISO
4. Both A and B

✅ Correct Answer: 1

Which of the following is LAN protocol?

1. Ethernet
2. ARCnet
3. Token Ring
4. All

✅ Correct Answer: 4

Which one is the Bottom-most layer of OSI model?

1. Data link
2. Physical
3. Network
4. Transport

✅ Correct Answer: 2

Data is transmitted block-by-block in ___________ transmission.

1. Digital
2. Analog
3. Synchronous
4. Asynchronous

✅ Correct Answer: 3

An important property of fiber optic is

1. Refraction
2. Reflection
3. Interface
4. None Of These

✅ Correct Answer: 1

The process to convert analog signals into digital signals is called

1. Modulation
2. Demodulation
3. Digitization
4. Conversion

✅ Correct Answer: 2

Which of the following memories can be re-written by using electrical devices?

1. PROM
2. ROM
3. EEPROM
4. EPROM

✅ Correct Answer: 3