4320 + Mcqs in Computer Science Page 37 McqOptions

1801.	Which of the following is not used for storage purposes with main frame computers?
A.	removable disks
B.	fixed disks
C.	mass storage systems
D.	diskettes
E.	None of the above
Answer» E. None of the above

Discussion

1802.	Which is true for the digital computer?
A.	It is less accurate than the analog computer
B.	It represents the decimal numbers through a string of binary digits
C.	It is used primarily in scientific applications
D.	Both (a) and (c)
E.	None of the above
Answer» C. It is used primarily in scientific applications

Discussion

1803.	Which of the following terminals' output most closely resembles the output produced by a plotter?
A.	graphics terminal
B.	POS terminal
C.	hardcopy terminal
D.	all the above
E.	None of the above
Answer» B. POS terminal

Discussion

1804.	What is the main advantage of magnetic core memory over semiconductor RAM memory?
A.	more compact and smaller
B.	more economical
C.	a bit does not have to write after reading
D.	non volatile
E.	None of the above
Answer» E. None of the above

Discussion

1805.	The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as
A.	CPU
B.	Control Unit
C.	I/O unit
D.	Peripheral unit
E.	None of the above
Answer» B. Control Unit

Discussion

1806.	Human beings are referred to as Homosapiens. Which device is called Silico sapiens?
A.	Monitor
B.	Hardware
C.	Robot
D.	Computer
E.	None of the above
Answer» E. None of the above

Discussion

1807.	Which access method is used for obtaining a record from a cassette tape
A.	direct
B.	sequential
C.	random
D.	All of the above
E.	None of the above
Answer» C. random

Discussion

1808.	A billionth of a second is defined as a:
A.	millisecond
B.	microsecond
C.	nanosecond
D.	picoseconds
E.	None of the above
Answer» D. picoseconds

Discussion

1809.	Where have the program and data to be located before the ALU and control unit of a computer can operate on it?
A.	Internal memory
B.	Secondary memory
C.	Microprocessor
D.	Magnetic tapes
E.	None of the above
Answer» B. Secondary memory

Discussion

1810.	The most important advantage of a video disk is
A.	Compactness
B.	Potential capacity
C.	Durability
D.	Cost effectiveness
E.	None of the above
Answer» C. Durability

Discussion

1811.	When was Apple Macintosh II microcomputer introduced in the market?
A.	1964
B.	1970
C.	1983
D.	1986
E.	None of the above
Answer» D. 1986

Discussion

1812.	Control Unit of a digital computer is often called the
A.	Clock
B.	Nerve center
C.	ICs
D.	All of the above
E.	None of the above
Answer» C. ICs

Discussion

1813.	The ASCII code for the character J is:
A.	1001 0001
B.	1001 1010
C.	0100 1010
D.	1010 0001
E.	None of the above
Answer» D. 1010 0001

Discussion

1814.	Off-line operation is the operation of devices without the control of
A.	Memory
B.	CPU
C.	ALU
D.	Control unit
E.	None of the above
Answer» C. ALU

Discussion

1815.	Which of the following is the user programmed semiconductor memory?
A.	SRAM
B.	DRAM
C.	EPROM
D.	All of the above
E.	None of the above
Answer» D. All of the above

Discussion

1816.	A multi programming system is one that can
A.	run very fast
B.	share hardware resources with many programs simultaneously
C.	compute many programs simultaneously
D.	use many operating systems
E.	None of the above
Answer» C. compute many programs simultaneously

Discussion

1817.	In comparison with static RAM memory, the dynamic RAM memory has
A.	lower bit density and higher power consumption
B.	higher bit density and higher power consumption
C.	lower bit density and lower power consumption
D.	higher bit density and lower power consumption
E.	None of the above
Answer» E. None of the above

Discussion

1818.	Which of the following holds data and processing instructions temporarily until the CPU needs it?
A.	ROM
B.	control unit
C.	main memory
D.	coprocessor chips
E.	None of the above
Answer» D. coprocessor chips

Discussion

1819.	The language that is an input for statement translation is called
A.	Assembly language
B.	Source language
C.	High-level language
D.	Object language
E.	None of the above
Answer» C. High-level language

Discussion

1820.	All the instructions and procedures needed to start up a computer, to the point it can load an operating system, are stored in ROM chips. In IBM compatible PCs this is called the _____
A.	RAM BIOS
B.	ROM BIOS
C.	EPROM
D.	POST
E.	None of the above
Answer» C. EPROM

Discussion

1821.	A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
A.	Modulator
B.	Demodulator
C.	Modem
D.	Decoder
E.	None of the above
Answer» D. Decoder

Discussion

1822.	A group of magnetic tapes, videos or terminals usually under the control of one master is
A.	Cylinder
B.	Cluster
C.	Surface
D.	Track
E.	None of the above
Answer» C. Surface

Discussion

1823.	Any device that performs signal conversion is
A.	Modulator
B.	Modem
C.	Keyboard
D.	Plotter
E.	None of the above
Answer» B. Modem

Discussion

1824.	A type of channel used to connect a central processor and peripherals which uses multipling is known as
A.	Modem
B.	Network
C.	Multiplexer
D.	All of the above
E.	None of the above
Answer» D. All of the above

Discussion

1825.	The first generation of computers available was based on the bit micro processors.
A.	4
B.	8
C.	16
D.	64
E.	None of the above
Answer» C. 16

Discussion

1826.	The complete picture of data stored in database is known as
A.	Record
B.	Schema
C.	System flowchart
D.	DBMS
E.	None of the above
Answer» C. System flowchart

Discussion

1827.	Which of the following is intended to be used in all applications runs on mainframe computers.
A.	LOGO
B.	APL
C.	PL/1
D.	OCCAM
E.	None of the above
Answer» D. OCCAM

Discussion

1828.	When was punched-card equipment used for the first time to process the British census?
A.	1910
B.	1907
C.	1911
D.	1914
E.	None of the above
Answer» D. 1914

Discussion

1829.	As compared to diskettes, the hard disks are
A.	more expensive
B.	more portable
C.	less rigid
D.	slowly accessed
E.	None of the above
Answer» B. more portable

Discussion

1830.	What is the name given to the molecular-scale computer?
A.	Femtocomputer
B.	Nanocomputer
C.	Supercomputer
D.	Microcomputer
E.	None of the above
Answer» C. Supercomputer

Discussion

1831.	Who is considered the 'father' of the minicomputer and one of the founder fathers of the modern computer industry world-wide?
A.	George Tate
B.	Kenneth H. Olsen
C.	Seymour Cray
D.	Basic Pascal
E.	None of the above
Answer» C. Seymour Cray

Discussion

1832.	The first microprocessors produced by Intel Corpn. and Texas Instruments were used primarily to control small
A.	microwave ovens
B.	washing machines
C.	calculators
D.	personal computers
E.	robotics
Answer» D. personal computers

Discussion

1833.	Which printer uses a combination of laser-beam & electro photographic techniques.
A.	Laser printers
B.	Dot-Matrix
C.	Line printer
D.	Daisy wheel
E.	None of the above
Answer» B. Dot-Matrix

Discussion

1834.	A technique used by codes to convert an analog signal into a digital bit stream is known as
A.	Pulse code modulation
B.	Pulse stretcher
C.	Query processing
D.	Queue management
E.	None of the above
Answer» B. Pulse stretcher

Discussion

1835.	An optical input device that interprets pencil marks on paper media is
A.	O.M.R
B.	Punch card reader
C.	Optical scanners
D.	Magnetic tape
E.	None of the above
Answer» B. Punch card reader

Discussion

1836.	Most important advantage of an IC is its
A.	Easy replacement in case of circuit failure
B.	Extremely high reliability
C.	Reduced cost
D.	Low power consumption
E.	None of the above
Answer» C. Reduced cost

Discussion

1837.	Data division is the third division of a _____ program.
A.	COBOL
B.	BASIC
C.	PASCAL
D.	FORTH
E.	None of the above
Answer» B. BASIC

Discussion

1838.	Which language was devised by Dr. Seymour Aubrey Papert?
A.	APL
B.	COBOL
C.	LOGO
D.	FORTRAN
E.	None of the above
Answer» D. FORTRAN

Discussion

1839.	If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is
A.	1200 bands
B.	3200 bands
C.	4800 bands
D.	9600 bands
E.	None of the above
Answer» C. 4800 bands

Discussion

1840.	When the computer provides the manager with a multiple choice of possible answers, the prompting technique is
A.	question and answer
B.	form filling
C.	open-ended question
D.	menu selection
E.	None of the above
Answer» E. None of the above

Discussion

1841.	What are the data transmission channels available for carrying data from one location to another?
A.	Narrowband
B.	Voiceband
C.	Broadband
D.	All of the above
E.	None of the above
Answer» E. None of the above

Discussion

1842.	Demodulation is the process of
A.	converting digital signals to analog signals
B.	converting analog signals to digital signals
C.	combining many low speed channels into one high speed channel
D.	dividing the high-speed signals into frequency bands
E.	None of the above
Answer» C. combining many low speed channels into one high speed channel

Discussion

1843.	Devices interconnected by the LAN should include
A.	Computers and terminals
B.	mass storage device, printers and plotters
C.	bridges and gateways
D.	All of the above
E.	None of the above
Answer» E. None of the above

Discussion

1844.	Which of the following technique is used for encapsulation?
A.	a technique used in best-effort delivery systems to avoid endlessly looping packets.
B.	a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame.
C.	One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
D.	All of the above
E.	None of the above
Answer» C. One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size

Discussion

1845.	You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?
A.	255.255.252.0
B.	225.255.254.0
C.	255.255.255.240
D.	255.255.255.252
Answer» B. 225.255.254.0

Discussion

1846.	Which of the following best illustrates the default subnet mask for a class A,B, and C Network?
A.	0.0.0.0, 0.0.0.1, 0.0.1.1
B.	255.255.255.0, 255.255.0.0, 255.0.0.0
C.	255.0.0.0, 255.255.0.0, 255.255.255.0
D.	255.255.0.0, 255.255.255.0, 255.255.255.255
E.	None of the above
Answer» D. 255.255.0.0, 255.255.255.0, 255.255.255.255

Discussion

1847.	HOSTS file entries are limited to how many characters?
A.	8
B.	255
C.	500
D.	Unlimited
E.	None of the above
Answer» C. 500

Discussion

1848.	What frequency range is used for FM radio transmission?
A.	Very Low Frequency : 3 kHz to 30. kHz
B.	Low Frequency : 30 kHz to 300 kHz
C.	High Frequency : 3 MHz to 30 MHz
D.	Very High Frequency : 30 MHz to 300 MHz
E.	None of the above
Answer» E. None of the above

Discussion

1849.	An example of an analog communication method is
A.	laser beam
B.	microwave
C.	voice grade telephone line
D.	All of the above
E.	None of the above
Answer» E. None of the above

Discussion

1850.	Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?
A.	Layer 7 protocols
B.	Layer 6 protocols
C.	Layer 5 protocols
D.	Layer 4 protocols
E.	None of the above
Answer» B. Layer 6 protocols

Discussion

Explore topic-wise MCQs in Engineering.

Which of the following is not used for storage purposes with main frame computers?

Which is true for the digital computer?

Which of the following terminals' output most closely resembles the output produced by a plotter?

What is the main advantage of magnetic core memory over semiconductor RAM memory?

The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as

Human beings are referred to as Homosapiens. Which device is called Silico sapiens?

Which access method is used for obtaining a record from a cassette tape

A billionth of a second is defined as a:

Where have the program and data to be located before the ALU and control unit of a computer can operate on it?

The most important advantage of a video disk is

When was Apple Macintosh II microcomputer introduced in the market?

Control Unit of a digital computer is often called the

The ASCII code for the character J is:

Off-line operation is the operation of devices without the control of

Which of the following is the user programmed semiconductor memory?

A multi programming system is one that can

In comparison with static RAM memory, the dynamic RAM memory has

Which of the following holds data and processing instructions temporarily until the CPU needs it?

The language that is an input for statement translation is called

All the instructions and procedures needed to start up a computer, to the point it can load an operating system, are stored in ROM chips. In IBM compatible PCs this is called the _____

A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.

A group of magnetic tapes, videos or terminals usually under the control of one master is

Any device that performs signal conversion is

A type of channel used to connect a central processor and peripherals which uses multipling is known as

The first generation of computers available was based on the bit micro processors.

The complete picture of data stored in database is known as

Which of the following is intended to be used in all applications runs on mainframe computers.

When was punched-card equipment used for the first time to process the British census?

As compared to diskettes, the hard disks are

What is the name given to the molecular-scale computer?

Who is considered the 'father' of the minicomputer and one of the founder fathers of the modern computer industry world-wide?

The first microprocessors produced by Intel Corpn. and Texas Instruments were used primarily to control small

Which printer uses a combination of laser-beam &amp; electro photographic techniques.

A technique used by codes to convert an analog signal into a digital bit stream is known as

An optical input device that interprets pencil marks on paper media is

Most important advantage of an IC is its

Data division is the third division of a _____ program.

Which language was devised by Dr. Seymour Aubrey Papert?

If digital data rate of 9600 bps is encoded using 8-level phase shift keying (PSK) method, the modulation rate is

When the computer provides the manager with a multiple choice of possible answers, the prompting technique is

What are the data transmission channels available for carrying data from one location to another?

Demodulation is the process of

Devices interconnected by the LAN should include

Which of the following technique is used for encapsulation?

You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?

Which of the following best illustrates the default subnet mask for a class A,B, and C Network?

HOSTS file entries are limited to how many characters?

What frequency range is used for FM radio transmission?

An example of an analog communication method is

Which of the following layer protocols are responsible for user and the application programme support such as passwords, resource sharing, file transfer and network management?

Which printer uses a combination of laser-beam & electro photographic techniques.