One of the main feature that distinguish microprocessors from microcomputers is
One of the main feature that distinguish microprocessors from microcomputers is
What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?
What is the name of the visible silver rectangle which separates the take-up portion of the magnetic tape from the data recording portion?
Communication that involves computers, establishing a link through the telephone system is called
Communication that involves computers, establishing a link through the telephone system is called
Transistorized computer circuits were introduced in the
Transistorized computer circuits were introduced in the
The binary equivalent of the Octal number 13.54 is
The binary equivalent of the Octal number 13.54 is
The desirable characteristic(s) of a memory system is (are)
The desirable characteristic(s) of a memory system is (are)
Communication between computers using standard telephone service
Communication between computers using standard telephone service
The Josephson tunneling device illustrates principles associated with the advanced storage technique:
The Josephson tunneling device illustrates principles associated with the advanced storage technique:
In a PC, how much memory is available to application software?
In a PC, how much memory is available to application software?
The process of writing computer instructions in a programming language is known as
The process of writing computer instructions in a programming language is known as
What was the name of the first stored program electronic computer which was built in 1949 at Cambridge University in England?
What was the name of the first stored program electronic computer which was built in 1949 at Cambridge University in England?
When did Hewlett-Packard Inc. Introduce its first HP-110 laptop computer?
When did Hewlett-Packard Inc. Introduce its first HP-110 laptop computer?
A processing unit that coordinates networks and data communication is known as
A processing unit that coordinates networks and data communication is known as
Most disk drives have a single read/ write head for each disk surface. What is the advantage of suing multiple heads on each movable access arm?
Most disk drives have a single read/ write head for each disk surface. What is the advantage of suing multiple heads on each movable access arm?
A file containing relatively permanent data is
A file containing relatively permanent data is
The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
The CPU chip used in a computer is partially made out of:
The CPU chip used in a computer is partially made out of:
A type of line printer that uses an embossed steel band to form the letters printed on the paper is
A type of line printer that uses an embossed steel band to form the letters printed on the paper is
A 'number crunching' computer is one that can handle
A 'number crunching' computer is one that can handle
Which is used to provide the sight information to the right person at the right time for proper decision making?
Which is used to provide the sight information to the right person at the right time for proper decision making?
The number of records contained within a block of data on magnetic tape is defined by the
The number of records contained within a block of data on magnetic tape is defined by the
The first firm to mass-market a microcomputer as a personal computer was
The first firm to mass-market a microcomputer as a personal computer was
Which is considered a direct entry input device?
Which is considered a direct entry input device?
A software package to perform calculations on data arranged in an array is
A software package to perform calculations on data arranged in an array is
Where does a computer add and compare data?
Where does a computer add and compare data?
The storage locations in the internal storage of a CPU are called
The storage locations in the internal storage of a CPU are called
Which of the following statements is true?
Which of the following statements is true?
In comparison to the internal (main) memory, tape or disk memory is
In comparison to the internal (main) memory, tape or disk memory is
The invention of the slide rule is attributed to
The invention of the slide rule is attributed to
The data appearing first in the left portion of punched card is
The data appearing first in the left portion of punched card is
For a memory system, the cycle time is
For a memory system, the cycle time is
Which of the following registers hold the information before it goes to the decoder
Which of the following registers hold the information before it goes to the decoder
Which of the following require large computer memory?
Which of the following require large computer memory?
Which of the following is not a part of the CPU
Which of the following is not a part of the CPU
What does that acronym VGA stand for?
What does that acronym VGA stand for?
Bit map terminal
Bit map terminal
Large computer system typically uses:
Large computer system typically uses:
The EAM device that does not use a control panel is the:
The EAM device that does not use a control panel is the:
What is meant by quad-density (QD) diskette?
What is meant by quad-density (QD) diskette?
Which memory system is not as a mass memory medium?
Which memory system is not as a mass memory medium?
When an input electrical signal A=10100 is applied to a NOT gate, its output signal is
When an input electrical signal A=10100 is applied to a NOT gate, its output signal is
When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each
When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each
A computer program consists of
A computer program consists of
Which disk interface standard includes support for up to eight peripheral devices?
Which disk interface standard includes support for up to eight peripheral devices?
What type of magnetic material is normally used in bubble memories?
What type of magnetic material is normally used in bubble memories?
What is the name of the temporary data storage area between a peripheral device and the CPU which compensates for the difference between their speeds?
What is the name of the temporary data storage area between a peripheral device and the CPU which compensates for the difference between their speeds?
Which of the following is the fastest?
Which of the following is the fastest?
Communication ports are found on the back of microcomputers. They are used to connect the computer to _____
Communication ports are found on the back of microcomputers. They are used to connect the computer to _____
The register which holds the address of the location to or from which data are to be transferred is known as
The register which holds the address of the location to or from which data are to be transferred is known as
Each model of a computer has a unique
Each model of a computer has a unique
The heart of any computer is the
The heart of any computer is the
A typical modern computer uses
A typical modern computer uses
Who was the father of Punched Card Processing?
Who was the father of Punched Card Processing?
The control unit of a microprocessor
The control unit of a microprocessor
In which year was UK's premier computing event called "The Which Computer" started?
In which year was UK's premier computing event called "The Which Computer" started?
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
What type of control pins are needed in a microprocessor to regulate traffic on the bus, in order to prevent two devices from trying to use it at the same time?
A factor which would strongly influence a businessperson to adopt a computer is its:
A factor which would strongly influence a businessperson to adopt a computer is its:
Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?
Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?
A floppy disk contains
A floppy disk contains
Impact printers
Impact printers
In this world of fast changing computer technology, one of the most important factor to be considered while purchasing a PC is, it should have a provision for
In this world of fast changing computer technology, one of the most important factor to be considered while purchasing a PC is, it should have a provision for
A 32 bit microprocessor has the word length equal to
A 32 bit microprocessor has the word length equal to
The first practical commercial typewriter was invented in 1867 in the United States by
The first practical commercial typewriter was invented in 1867 in the United States by
The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?
The CPU of a computer transfers print output to a temporary disk memory at high speed and then gets back to processing another job without waiting for the output to got to the printer. In this way, the CPU does not remain idle due to its own high speed as compared to the low speed of the printer. What is the name of this memory?
In a computer system, which device is functionally opposite of a Key-board?
In a computer system, which device is functionally opposite of a Key-board?
Who designed the first general purpose electronic digital computer "ENIAC" ?
Who designed the first general purpose electronic digital computer "ENIAC" ?
Which of the following are likely to jam the read/write head of a disk pack?
Which of the following are likely to jam the read/write head of a disk pack?
The most common input device used today is
The most common input device used today is
Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
Can you tell what passes into and out from the computer via its ports?
Can you tell what passes into and out from the computer via its ports?
A part located in the central processing unit that stores data & information is known as
A part located in the central processing unit that stores data & information is known as
Which part of the diskette should never be touched?
Which part of the diskette should never be touched?
In synchronous transmission data from various users
In synchronous transmission data from various users
The following is true about 2-out of-5 code:
The following is true about 2-out of-5 code:
A storage device which is used to store data & information external to the main storage is known as
A storage device which is used to store data & information external to the main storage is known as
What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors.)
What process prepares the magnetic surface of a disk by creating concentric circles, called tracks, around the disk? (Each track is further divided into pic-shaped sections called sectors.)
A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?
A flat-bed plotter uses a pen which moves in two directions across a piece of paper fixed on a flat-bed. Can you tell who controls the movements of this pen?
Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM
Those microcomputers which have the same operating characteristics as the IBM microcomputers are called IBM
A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
A computer with CPU speed around 100 million instructions per second & with the word length of around 64 bits is known as
Which of the following is not true of future computers?
Which of the following is not true of future computers?
Which of the following input/output devices is not associated with personal computers?
Which of the following input/output devices is not associated with personal computers?
Which type of display is the latest to be used for portable computer?
Which type of display is the latest to be used for portable computer?
First generation computers are characterised by
First generation computers are characterised by
Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
Which is a secondary memory device?
Which is a secondary memory device?
Which one of the following is termed a combination input-output device?
Which one of the following is termed a combination input-output device?
In simplex transmission
In simplex transmission
Which of the following is not a practical data-processing approach?
Which of the following is not a practical data-processing approach?
The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
The terminal device that functions as a cash register, computer terminal, and OCR reader is the:
ENIAC (Electronic Numerical Integrator and Calculator) had huge advantage over Mark I because it used electronic valves in place of the electromagnetic switches. In the beginning, ENIAC was used for calculating the path of artillery shells. For which other was weapon design was it utilized?
ENIAC (Electronic Numerical Integrator and Calculator) had huge advantage over Mark I because it used electronic valves in place of the electromagnetic switches. In the beginning, ENIAC was used for calculating the path of artillery shells. For which other was weapon design was it utilized?
A regular TV set can be hooked up to a computer so as to received computer signal instead of a television program. This hooking up is achieved with the help of a
A regular TV set can be hooked up to a computer so as to received computer signal instead of a television program. This hooking up is achieved with the help of a
Dot-matrix is a type of
Dot-matrix is a type of
General purpose computers are those that can be adopted to countless uses simply by changing its
General purpose computers are those that can be adopted to countless uses simply by changing its
Which of the following printer can be classified as a page-at-a-time printer?
Which of the following printer can be classified as a page-at-a-time printer?
A byte is comprised of:
A byte is comprised of:
The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?
The ALU of a central processing unit does the essential maths work for the computer. What does the control unit do?
The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use
The analog computer measures dimensions and its circuits use the differential and integral equations of continuous variables. The digital computer counts units and its circuits use
What is the general name of the device which produces hardcopy graphics?
What is the general name of the device which produces hardcopy graphics?
Which of the following are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU?
Which of the following are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU?
The computer program language which is widely used in computer science and engineering and also in business is
The computer program language which is widely used in computer science and engineering and also in business is
A collection of eight bits is called
A collection of eight bits is called
A modern electronic computer is a machine that is meant for
A modern electronic computer is a machine that is meant for
Which of the following chips can be reprogrammed with special electric pulses?
Which of the following chips can be reprogrammed with special electric pulses?
An input device which can read characters directly from an ordinary piece of paper is
An input device which can read characters directly from an ordinary piece of paper is
Which kind of devices allows the user to add components and capabilities to a computer system?
Which kind of devices allows the user to add components and capabilities to a computer system?
In which year were chips used inside the computer for the first time?
In which year were chips used inside the computer for the first time?
The ALU of a computer responds to the commands coming from
The ALU of a computer responds to the commands coming from
An output device that uses words or messages recorded on a magnetic medium to produce audio response is
An output device that uses words or messages recorded on a magnetic medium to produce audio response is
Which of the following is not true of a magnetic disk?
Which of the following is not true of a magnetic disk?
