4320 + Mcqs in Computer Science Page 47 McqOptions

2301.	A semi-continuous operation means:
A.	the operation is continuous each shift, but stops between shifts
B.	coffee breaks are allowed for the operator
C.	a computer is a required part of the machine
D.	each operation in a sequence is continuous, but subsequent operations in the sequence may be different.
E.	None of the above
Answer» E. None of the above

Discussion

2302.	Standard computer control products:
A.	are available off the shelf
B.	are very expensive and not cost effective
C.	do not exist yet
D.	All of the above
E.	None of the above
Answer» B. are very expensive and not cost effective

Discussion

2303.	How is the integral mode implemented on a digital controller?
A.	the digital controller cannot handle integral mode
B.	the error is divided into discrete amounts
C.	the error signal is summed over a discrete time interval and accumulated by the controller
D.	All of the above
E.	None of the above
Answer» D. All of the above

Discussion

2304.	Which of the following is not critical in PC CAD software?
A.	Crosshatching
B.	Layering
C.	Drawing/editing
D.	Damping
E.	None of the above
Answer» E. None of the above

Discussion

2305.	Which of the following editor(s) is(are) incorporated into general CAD system?
A.	Point Editor
B.	Line Editor
C.	Macro and symbol Editor
D.	All of the above
E.	None of the above
Answer» E. None of the above

Discussion

2306.	A microprocessor:
A.	is another name for a computer
B.	is a CPU in integrated circuit form
C.	executes a program of instructions
D.	(a) and (c)
E.	None of the above
Answer» E. None of the above

Discussion

2307.	Which document sums up the general provisions of purchase, terms and agreement, warranties, and maintenance?
A.	The contract
B.	The project evaluation
C.	The financial report.
D.	The purchasing report
E.	None of the above
Answer» B. The project evaluation

Discussion

2308.	The #include instruction is called a
A.	direction
B.	directive
C.	merge instruction
D.	statement.
Answer» C. merge instruction

Discussion

2309.	Another drawback to returning an error code from a function is that any error code returned by the function
A.	must be of the same type as return type of the function
B.	must not be a character
C.	cannot be checked in a main() program
D.	can have multiple meanings
Answer» B. must not be a character

Discussion

2310.	Classes hold _____
A.	data
B.	methods
C.	both data and methods
D.	neither data nor methods
Answer» D. neither data nor methods

Discussion

2311.	If the transient response is under damped:
A.	steady-state will be reached faster than if the system is overdamped
B.	the value of the output will exceed the value of the input at times during the transient period
C.	the present overshoot is zero
D.	both a and b
E.	None of the above
Answer» E. None of the above

Discussion

2312.	Using a microcomputer as a controller allows:
A.	faster cycle time
B.	simpler mechanical hardware
C.	more self diagnostics of the machine operation
D.	All of the above
E.	None of the above
Answer» E. None of the above

Discussion

2313.	The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.
A.	LSI
B.	MSI
C.	MOS
D.	MOSFET
E.	None of the above
Answer» C. MOS

Discussion

2314.	Which of the following uses network address translation?
A.	Routers
B.	Network adapter drivers
C.	Hubs
D.	Windows 95
Answer» C. Hubs

Discussion

2315.	CSMA (Carrier Sense Multiple Access) is
A.	a method of determining which device has access to the transmission medium at any time
B.	a method access control technique for multiple-access transmission media.
C.	a very common bit-oriented data link protocol issued by ISO.
D.	network access standard for connecting stations to a circuit-switched network
E.	None of the above
Answer» C. a very common bit-oriented data link protocol issued by ISO.

Discussion

2316.	Which of the following terms refers to the degree to which data in a database system are accurate and correct?
A.	data security
B.	data validity
C.	data independence
D.	data integrity
E.	None of the above
Answer» E. None of the above

Discussion

2317.	A pen shaped device which can sense light, and is used to point at spots on a video screen.
A.	Mouse
B.	Light pen
C.	Joystick
D.	Plotter
E.	None of the above
Answer» C. Joystick

Discussion

2318.	Which of the following commands is used to assign executable permission to the owner of the file named "note"?
A.	chmod g+x note
B.	chmod u+w note
C.	chmod u+x note
D.	chmod ugo+x note
E.	None of the above
Answer» D. chmod ugo+x note

Discussion

2319.	Typing the function's name as Main, rather than main, is an example of
A.	an entry error
B.	a function error
C.	a logic error
D.	a syntax error
Answer» E.

Discussion

2320.	In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.
A.	AND
B.	OR
C.	NAND
D.	NOR
E.	None of the above
Answer» C. NAND

Discussion

2321.	Convert the 1000 0000 0000 1111 signed binary number to decimal number.
A.	+15
B.	-15
C.	-30
D.	+30
E.	None of the above
Answer» C. -30

Discussion

2322.	The reduced form of the Boolean expression (A+B)(A+C) is:
A.	AB+AC
B.	A+B+C
C.	AC+B
D.	A+BC
E.	None of the above
Answer» E. None of the above

Discussion

2323.	A full-adder adds _____ bits, and producing a SUM and a _____
A.	8, SUBTRACTION
B.	3, CARRY
C.	16, DIVIDE
D.	All of the above
E.	None of the above
Answer» C. 16, DIVIDE

Discussion

2324.	An XOR gate recognizes only words with an _____ number of 1's.
A.	even
B.	odd
C.	different
D.	All of the above
E.	None of the above
Answer» C. different

Discussion

2325.	The clock signals are used in sequential logic circuits
A.	to tell the time of the day
B.	to tell how much time has elapsed since the system was turned on
C.	to carry serial data signals
D.	to synchronize events in various parts of a system
E.	None of the above
Answer» E. None of the above

Discussion

2326.	The radix of the binary number is:
A.	3
B.	1
C.	2
D.	10
E.	None of the above
Answer» D. 10

Discussion

2327.	When was the world's first laptop computer introduced in the market and by whom?
A.	Hewlett-Packard, 1980
B.	Epson, 1981
C.	Laplink Travelling Software Inc, 1982.
D.	Tandy Model-200, 1985
E.	None of the above
Answer» C. Laplink Travelling Software Inc, 1982.

Discussion

2328.	Example of non-numerical data is
A.	Employee address
B.	Examination score
C.	Bank balance
D.	All of the above
E.	None of the above
Answer» B. Examination score

Discussion

2329.	Which selection below best describes the term data processing?
A.	The collection of information or data
B.	The distribution of information or data
C.	The manipulation of information or data
D.	The storage of information or data
E.	None of the above
Answer» D. The storage of information or data

Discussion

2330.	A device that converts one type of signal into another is called
A.	Modem
B.	Transducer
C.	Punched paper tape
D.	Punched card
E.	None of the above
Answer» C. Punched paper tape

Discussion

2331.	A device that both transmits and receives data, is
A.	Transducer
B.	Trapdoor
C.	Translator
D.	Transceiver
E.	None of the above
Answer» E. None of the above

Discussion

2332.	The output quality of a printer is measured by
A.	Dots per inch
B.	Dots per line
C.	Dots printed per unit time
D.	All of the above
E.	None of the above
Answer» B. Dots per line

Discussion

2333.	Which method is of reading the characters & providing input to a computer.
A.	Optical character reader
B.	Punched paper tape
C.	Card punch
D.	Magnetic ink character
E.	None of the above
Answer» B. Punched paper tape

Discussion

2334.	Which facilitates data processing capabilities at the location of the end-user.
A.	DTP
B.	EDT
C.	DDP
D.	FAX
E.	None of the above
Answer» D. FAX

Discussion

2335.	The memory which is programmed at the time it is manufactured
A.	ROM
B.	RAM
C.	PROM
D.	EPROM
E.	None of the above
Answer» B. RAM

Discussion

2336.	What is the alternative name for a diskette?
A.	Floppy disk
B.	Hard disk
C.	Flexible disk
D.	Winchester disk
E.	None of the above
Answer» B. Hard disk

Discussion

2337.	A device that transmits messages in verbal form is
A.	Audit trail
B.	Card punch
C.	Audio response unit
D.	Magnetic tape
E.	None of the above
Answer» D. Magnetic tape

Discussion

2338.	Which memory is nonvolatile and may be written only once?
A.	RAM
B.	EE-ROM
C.	RAM
D.	PROM
E.	None of the above
Answer» E. None of the above

Discussion

2339.	A random-access data storage device which gives rapid access to data is
A.	Magnetic tape
B.	Punched card
C.	Disk storage unit
D.	Buffer
E.	None of the above
Answer» D. Buffer

Discussion

2340.	A card on the top of pack of cards containing information about the cards in the pack is
A.	Punched card
B.	Card punch
C.	Reader card
D.	Punched paper tape
E.	None of the above
Answer» D. Punched paper tape

Discussion

2341.	Which term is used to describe RAM?
A.	Dynamic RAM (DRAM)
B.	Static RAM (SRAM)
C.	Video RAM (VRAM)
D.	All of the above
E.	None of the above
Answer» E. None of the above

Discussion

2342.	A type of core store that has a lower access time than the devices used for working store in the same processor is known as
A.	core memory
B.	buffer
C.	fast core
D.	address register
E.	None of the above
Answer» D. address register

Discussion

2343.	A standard tape recorder used to save or load computer information is known as
A.	Magnetic tape
B.	Cassette drive
C.	Punched paper tape
D.	Card punch
E.	None of the above
Answer» C. Punched paper tape

Discussion

2344.	Which of the following functional components of a computer is responsible for the transient or temporary storage used by the CPU?
A.	Input
B.	Output
C.	CPU .
D.	Memory
E.	Storage
Answer» E. Storage

Discussion

2345.	An automatic machine that performs routine seemingly human tasks is
A.	KIPS
B.	AI
C.	PL
D.	Robot
E.	None of the above
Answer» E. None of the above

Discussion

2346.	IBM 7000 digital computer
A.	belongs to second generation
B.	uses VLSI
C.	employs semi conductor memory
D.	has modular construction
E.	None of the above
Answer» E. None of the above

Discussion

2347.	The IC was invented at Texas instruments in year 1958 by
A.	Jaik Kilby
B.	Clive Sinclair
C.	John Napier
D.	Steve Wozniak
E.	Herman Hollerith
Answer» B. Clive Sinclair

Discussion

2348.	The personnel which deal with the computer and its management put together is known as
A.	Firm ware
B.	Human ware
C.	Software
D.	Hardware
E.	None of the above
Answer» C. Software

Discussion

2349.	A path linking 2 hardware or telecommunication units down which data and control signals can be transmitted is
A.	Modulation
B.	Demodulation
C.	Channel
D.	Signalling
E.	None of the above
Answer» D. Signalling

Discussion

2350.	The unit of hardware an operator uses to monitor computer processing is the:
A.	Card reader
B.	CPU
C.	Line printer
D.	Console
E.	None of the above
Answer» E. None of the above

Discussion

Explore topic-wise MCQs in Engineering.

A semi-continuous operation means:

Standard computer control products:

How is the integral mode implemented on a digital controller?

Which of the following is not critical in PC CAD software?

Which of the following editor(s) is(are) incorporated into general CAD system?

A microprocessor:

Which document sums up the general provisions of purchase, terms and agreement, warranties, and maintenance?

The #include instruction is called a

Another drawback to returning an error code from a function is that any error code returned by the function

Classes hold _____

If the transient response is under damped:

Using a microcomputer as a controller allows:

The 7400 series, also called standard TTL, contains a variety of SSI and _____ chips that allow us to build all kinds of digital circuits and systems.

Which of the following uses network address translation?

CSMA (Carrier Sense Multiple Access) is

Which of the following terms refers to the degree to which data in a database system are accurate and correct?

A pen shaped device which can sense light, and is used to point at spots on a video screen.

Which of the following commands is used to assign executable permission to the owner of the file named "note"?

Typing the function's name as Main, rather than main, is an example of

In boolean algebra, the overbar stands for the NOT operation, the plus sign stands for the _____ operation.

Convert the 1000 0000 0000 1111 signed binary number to decimal number.

The reduced form of the Boolean expression (A+B)(A+C) is:

A full-adder adds _____ bits, and producing a SUM and a _____

An XOR gate recognizes only words with an _____ number of 1's.

The clock signals are used in sequential logic circuits

The radix of the binary number is:

When was the world's first laptop computer introduced in the market and by whom?

Example of non-numerical data is

Which selection below best describes the term data processing?

A device that converts one type of signal into another is called

A device that both transmits and receives data, is

The output quality of a printer is measured by

Which method is of reading the characters &amp; providing input to a computer.

Which facilitates data processing capabilities at the location of the end-user.

The memory which is programmed at the time it is manufactured

What is the alternative name for a diskette?

A device that transmits messages in verbal form is

Which memory is nonvolatile and may be written only once?

A random-access data storage device which gives rapid access to data is

A card on the top of pack of cards containing information about the cards in the pack is

Which term is used to describe RAM?

A type of core store that has a lower access time than the devices used for working store in the same processor is known as

A standard tape recorder used to save or load computer information is known as

Which of the following functional components of a computer is responsible for the transient or temporary storage used by the CPU?

An automatic machine that performs routine seemingly human tasks is

IBM 7000 digital computer

The IC was invented at Texas instruments in year 1958 by

The personnel which deal with the computer and its management put together is known as

A path linking 2 hardware or telecommunication units down which data and control signals can be transmitted is

The unit of hardware an operator uses to monitor computer processing is the:

A full-adder adds _ bits, and producing a SUM and a _

Which method is of reading the characters & providing input to a computer.