Who launched IBM's First PC in 1981?
Who launched IBM's First PC in 1981?
The magnetic disks and drums are like recirculating shift registers because
The magnetic disks and drums are like recirculating shift registers because
Data systems for planning are often called
Data systems for planning are often called
What type of memory is not directly addressable by the CPU and requires special software called EMS (expanded memory specification)?
What type of memory is not directly addressable by the CPU and requires special software called EMS (expanded memory specification)?
How many addresses are required for 25 x 40 video RAM?
How many addresses are required for 25 x 40 video RAM?
A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called?
A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called?
The smallest logical data entity is called a data item or data
The smallest logical data entity is called a data item or data
The physical equipment made oi various metals, silicon and plastic components that make up the parts of a computer is called
The physical equipment made oi various metals, silicon and plastic components that make up the parts of a computer is called
Methods used to organise and physically store disk data are cylinder and
Methods used to organise and physically store disk data are cylinder and
A software package to implement a data base is
A software package to implement a data base is
A new technology which provides the ability to create an artificial world and have people interact with it is called
A new technology which provides the ability to create an artificial world and have people interact with it is called
Number crunchier is the informal name for
Number crunchier is the informal name for
A method for representing digital data analog signals by changing the phase of the analog carrier to represent the digital information is known as
A method for representing digital data analog signals by changing the phase of the analog carrier to represent the digital information is known as
A dot-matrix printer
A dot-matrix printer
A storage area used to store data to compensate for the difference in speed at which the different units can handle data is
A storage area used to store data to compensate for the difference in speed at which the different units can handle data is
A computer program that instructs other programs to perform a particular type of operation is
A computer program that instructs other programs to perform a particular type of operation is
Which of the following is not used as secondary storage
Which of the following is not used as secondary storage
Programmed instructions to the computer is known as
Programmed instructions to the computer is known as
A large computer designed to handle complex scientific calculations
A large computer designed to handle complex scientific calculations
The term "memory" applies to which one of the following
The term "memory" applies to which one of the following
Which of the following is true concerning personal computers?
Which of the following is true concerning personal computers?
Conversion of a hexadecimal number 3D16 to binary number is
Conversion of a hexadecimal number 3D16 to binary number is
A device used to measure the circuit density of a chip is
A device used to measure the circuit density of a chip is
Which of the following time will normally be determined by the requirements of the device to which the transfer is being made
Which of the following time will normally be determined by the requirements of the device to which the transfer is being made
The 7-bit ASCII code widely used
The 7-bit ASCII code widely used
A terminal having local processing capability is
A terminal having local processing capability is
How many operations per second can perform by a modern fast mainframe digital computer.
How many operations per second can perform by a modern fast mainframe digital computer.
Which type of processing that produces output results immediately after input data are entered into a computer system
Which type of processing that produces output results immediately after input data are entered into a computer system
Which of the following programs give instructions about operations inside the computer
Which of the following programs give instructions about operations inside the computer
What was the name of the first commercially available micro-processor chip?
What was the name of the first commercially available micro-processor chip?
A notation for defining the form and structure of data is known as
A notation for defining the form and structure of data is known as
The CPU is made up of control unit ALU and
The CPU is made up of control unit ALU and
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
A hand-held device which reads marks or characters on paper by detecting photo-sensitivity is known as
The pieces of equipment which are attached to the CPU of a computer and which it can access are called
The pieces of equipment which are attached to the CPU of a computer and which it can access are called
Pictures or drawings, typically displayed on a VDU to allow users to select program options is called
Pictures or drawings, typically displayed on a VDU to allow users to select program options is called
Which gate only sends one through if neither of its terminals receives a pulse.
Which gate only sends one through if neither of its terminals receives a pulse.
In computer terminology a compiler means
In computer terminology a compiler means
Magnetic tape can serve as
Magnetic tape can serve as
Which 8-bit chip was used in many of Tandy's TRS-80 computers?
Which 8-bit chip was used in many of Tandy's TRS-80 computers?
A file that includes an index directory to facilitate random access is
A file that includes an index directory to facilitate random access is
Which language has been selected as the basis for the Japanese "fifth generation" computers.
Which language has been selected as the basis for the Japanese "fifth generation" computers.
Which of the following is a special purpose language used to describe to a computer's operating system.
Which of the following is a special purpose language used to describe to a computer's operating system.
Which of the following languages is often translated to pseudo code?
Which of the following languages is often translated to pseudo code?
RAM is also known as
RAM is also known as
Which of the following is also known as SOROBAN
Which of the following is also known as SOROBAN
Conversion of an octal number 1068 to binary number is
Conversion of an octal number 1068 to binary number is
Which of the following machines are characterised by electronic tube circuitry, delay line, rotating or electrostatic memory.
Which of the following machines are characterised by electronic tube circuitry, delay line, rotating or electrostatic memory.
The primary memory of a personal computer consists of:
The primary memory of a personal computer consists of:
Which was the world's first minicomputer and when was it introduced?
Which was the world's first minicomputer and when was it introduced?
Which of the following languages is the most widely used?
Which of the following languages is the most widely used?
A device that stores one item of information is
A device that stores one item of information is
Processors of all computers, whether micro, mini or mainframe must have
Processors of all computers, whether micro, mini or mainframe must have
The first computer used to store a program
The first computer used to store a program
Which memory stores the values of variables.
Which memory stores the values of variables.
A magnetic tape volume that is used on a data processing operation without any change to its contents is
A magnetic tape volume that is used on a data processing operation without any change to its contents is
In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off?
In which of the following terminals the screen is regarded as an array of pixels, where each pixel is either on or off?
A device used to bring information into a computer is
A device used to bring information into a computer is
An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as
An input device that uses switch contacts placed under a plastic pad which may be inscribed with symbols is known as
Which is the first compiler-level language developed by a team of IBM programmers led by John Backus and unveiled in 1957?
Which is the first compiler-level language developed by a team of IBM programmers led by John Backus and unveiled in 1957?
A database management system based on the concept of ownership is
A database management system based on the concept of ownership is
A device that can accept data, hold them&deliver them on demand at a later time is known as
A device that can accept data, hold them&deliver them on demand at a later time is known as
Which of the following statements is false?
Which of the following statements is false?
Which is part of a computer system, enables human operators to communicate with the computer.
Which is part of a computer system, enables human operators to communicate with the computer.
A repository for data, usually covering specific topic is
A repository for data, usually covering specific topic is
Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called
Tiny rings made of magnetic material that can be polarised to represent binary 1 or 0 is called
The OCR stand for?
The OCR stand for?
The proper definition of a modern digital computer is
The proper definition of a modern digital computer is
In digital computer, all the expressions are coded into
In digital computer, all the expressions are coded into
A connection between two end points, either physical or logical, over which data may travel in both directions simultaneously is called _____
A connection between two end points, either physical or logical, over which data may travel in both directions simultaneously is called _____
A memory that is capable of determining whether a given datum is contained in one of its addresses is
A memory that is capable of determining whether a given datum is contained in one of its addresses is
A symbol that modifies an action is known as
A symbol that modifies an action is known as
A technique for processing jobs on a first-come, first-served basis is known as
A technique for processing jobs on a first-come, first-served basis is known as
A device mounted on a communication satellite which receives, amplifies and re-transmits signals from earth station is
A device mounted on a communication satellite which receives, amplifies and re-transmits signals from earth station is
What is the number of bits needed for an address in a 4K memory?
What is the number of bits needed for an address in a 4K memory?
Which of the following printers, are you sure will not to use if your objective is to print on multicarbon forms?
Which of the following printers, are you sure will not to use if your objective is to print on multicarbon forms?
The term MIPS refers to _____
The term MIPS refers to _____
A printer in which the characters are embossed on a band is
A printer in which the characters are embossed on a band is
Hardware _____ memory is seldom used in modern computers.
Hardware _____ memory is seldom used in modern computers.
A type of simulation method using random numbers to determine the evolution of a system is
A type of simulation method using random numbers to determine the evolution of a system is
A hard copy would be prepared on a
A hard copy would be prepared on a
The first mechanical calculator was invented in
The first mechanical calculator was invented in
The process used to set up a programs once the system is operational is
The process used to set up a programs once the system is operational is
Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is
Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is
The data bus in 8080A/8085 microprocessor is a group of
The data bus in 8080A/8085 microprocessor is a group of
The _____ provides a path between the CPU and peripheral devices, which are connected via interface cards.
The _____ provides a path between the CPU and peripheral devices, which are connected via interface cards.
The disadvantage of dynamic RAM over static RAM is
The disadvantage of dynamic RAM over static RAM is
Which protocol has been standardised by the International Standards Organisation.
Which protocol has been standardised by the International Standards Organisation.
Which language was created by Charles H. Moore at National Radio Astronomy Observatory.
Which language was created by Charles H. Moore at National Radio Astronomy Observatory.
Programs prepared by an outside supplier & privided to a user in a machine readable form is known as
Programs prepared by an outside supplier & privided to a user in a machine readable form is known as
Which is a basic technique, using activity networks.
Which is a basic technique, using activity networks.
Which part of computer performs functions similar to the cerebrums of the above cardiac and nervous system of a human body.
Which part of computer performs functions similar to the cerebrums of the above cardiac and nervous system of a human body.
Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called
Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called
The first IBM PC did not have any
The first IBM PC did not have any
Which device uses much less computer time than the light pen and gives resolutions equal to that of the CRT display.
Which device uses much less computer time than the light pen and gives resolutions equal to that of the CRT display.
One million bytes of information is abbreviated as
One million bytes of information is abbreviated as
What is the acronym for Single In-Line Memory Module?
What is the acronym for Single In-Line Memory Module?
The working principles of today's computers were provided by an English mathematician
The working principles of today's computers were provided by an English mathematician
An output device that converts data from a binary format in main storage to coded hole patterns punched into a paper tape is
An output device that converts data from a binary format in main storage to coded hole patterns punched into a paper tape is
The physical components of a computer system is
The physical components of a computer system is
Who invented the microprocessor?
Who invented the microprocessor?
Conversion of binary number 1011102 to octal is
Conversion of binary number 1011102 to octal is
Which of the following is the largest and most powerful computer manufacture in the world
Which of the following is the largest and most powerful computer manufacture in the world
An IC contains 50 gates each of which consists of 6 components. Its belong to
An IC contains 50 gates each of which consists of 6 components. Its belong to
A register in which of the following that holds the current instruction while it is being executed is called instruction register.
A register in which of the following that holds the current instruction while it is being executed is called instruction register.
The earliest device that qualifies as a digital computer is
The earliest device that qualifies as a digital computer is
One of a class of storage devices that can access storage locations in any order is
One of a class of storage devices that can access storage locations in any order is
Sending data from one place to another, by physical or electronic means is
Sending data from one place to another, by physical or electronic means is
A monitor looks like a TV set but it does not
A monitor looks like a TV set but it does not
A memory that contains a fine pattern of data permanently defined is
A memory that contains a fine pattern of data permanently defined is
