Description : An input /output device at which data enters or leaves a computer system is a. Keyboard b. Terminal c. Printer d. Plotter
Last Answer : b. Terminal
Description : What type of device is computer keyboard? A) Memory B) Output C) Storage D) Input
Last Answer : Answer : D
Description : What type of device is computer keyboard? a. Memory b. Output c. Storage d. Input
Last Answer : d. Input
Description : A/n …. Device is any device that provides information, which is sent to the CPU a. Input b. Output c. CPU d. Memory
Last Answer : a. Input
Description : Keyboard of a computer is– (A) An input device (B) An output device (C) A processing device (D) A storage device
Last Answer : Answer: An input device
Description : Computer keyboard can be classified as ________device. A. Memory B. Input C. Output D. Storage
Last Answer : Computer keyboard can be classified as Input device.
Description : computer operators a. writes computer programs for specific problems b. operate the device which input and output data from the computer c. normally require a college degree in computer science d. all of the above
Last Answer : b. operate the device which input and output data from the computer
Description : Which of the following is not an input device? a. OCR b. Optical scanners c. Voice recognition device d. COM (Computer Output to Microfilm)
Last Answer : d. COM (Computer Output to Microfilm)
Description : Which of the following is a secondary memory device? a. Keyboard b. Disk c. ALU d. All of the above
Last Answer : b. Disk
Description : A computer consists of a. A central processing unit b. A memory c. Input and output unit d. All of the above
Last Answer : d. All of the above
Description : The process of starting a or restarting a computer system by loading instructions from a secondary storage device into the computer memory is called a. Duping b. Booting c. Padding d. CPS
Last Answer : b. Booting
Description : Magnetic tape can serve as a. Secondary storage media b. Output media c. Input media d. All of the above
Description : The central processing unit (CPU) consists of a. Input, output and processing b. Control unit, primary storage, and secondary storage c. Control unit, arithmetic-logic unit and primary storage d. Control unit, processing, and primary storage
Last Answer : c. Control unit, arithmetic-logic unit and primary storage
Description : Central Processing Unit is combination of a. Control and storage b. Control and output unit c. Arithmetic logic and input unit d. Arithmetic logic and control unit
Last Answer : d. Arithmetic logic and control unit
Description : Regarding a VDU, Which statement is more correct? a. It is an output device b. It is an input device c. It is a peripheral device d. It is hardware item
Last Answer : c. It is a peripheral device
Description : When memory write or I/O read are active data is from the processor: a. Input b. Output c. Processor d. None of these
Last Answer : b. Output
Description : When memory read or I/O read are active data is to the processor : a. Input b. Output c. Processor d. None of these
Description : An input /output device at which data enters or leaves a computer system is A) Keyboard B) Terminal C) Printer D) Plotter
Last Answer : Answer : B
Description : A modern electronic computer is a machine that is meant for a. Doing quick mathematical calculations b. Input, storage, manipulation and outputting of data c. Electronic data processing d. Performing repetitive tasks accurately
Last Answer : b. Input, storage, manipulation and outputting of data
Description : In analog computer a. Input is first converted to digital form b. Input is never converted to digital form c. Output is displayed in digital form d. All of above
Last Answer : b. Input is never converted to digital form
Description : Is a keyboard a input or output or storage?
Last Answer : A keyboard is a input device
Description : An error in computer data is called a. Chip b. Bug c. CPU d. Storage device
Last Answer : b. Bug
Description : Which one of the following work as both an input device and output device: a) MODEM b) Keyboard c) Mouse d) None of These
Last Answer : a) MODEM
Description : The ALU of a computer normally contains a number of high speed storage element called a. Semiconductor memory b. Registers c. Hard disks d. Magnetic disk
Last Answer : b. Registers
Description : What type of device is a computer printer? 1) Input 2) Output 3) Software 4) memory
Last Answer : 4) memory
Description : The term ________ refers to data storage systems that make it possible for a computer or electronic device to store and retrieve data. A. input technology B. output technology C. storage technology D. None of the Above
Last Answer : C. storage technology
Description : When the write enable input is not asserted, the gated D latch ______ its output. a. can not change b. clears c. sets d. complements
Last Answer : a. can not change
Description : .In an 8085 based system, the maximum number of input output devices can be connectedusing I/0 mapped I/O method isa) 64 b) 512 c) 256 d) 65536
Last Answer : b) 512
Description : perforated paper used as input of output media is known as a. paper tapes b. magnetic tape c. punched papers tape d. card punch
Last Answer : a. paper tapes
Description : The microcomputer system by using the ____device interface: a. Input b. Output c. Both A and B d. None of these
Last Answer : c. Both A and B
Description : 8096 has ___ general purpose I/O ports, Port 2 includes ______ of the following i) two quasi-bidirectional I/O lines ii) two output lines iii) four input lines iv) open drain outputs a) 4, i, iv b) 6, ii, iii c) 4, i,ii,iii d) 6, i, ii, iv
Last Answer : c) 4, i,ii,iii
Description : Which one of the following input device is user-programmable? a. Dumb terminal b. Smart terminal c. VDT d. Intelligent terminal
Last Answer : d. Intelligent terminal
Description : Which most popular input device is used today for interactive processing and for the one line entry of data for batch processing? a. Mouse b. Magnetic disk c. Visual display terminal d. Card punch
Last Answer : a. Mouse
Description : Which is considered a direct entry input device? a. Optical scanner b. Mouse and digitizer c. Light pen d. All of the above
Description : Any data and instruction entered in the memory of a computer is__________ A. Storage B. Output C. Input D. Information
Last Answer : C. Input
Description : The contents of“““.are lost when the computer turns off. (A) storage (B) input (C) output (D) memory (E) None of these
Last Answer : memory
Description : The contents of ______are lost when the computer turns off: a) storage b) input c) output d) memory e) None of The Above
Last Answer : d) memory
Description : Hardware includes a) all devices used to input data into a computer b) sets of instructions that a computer runs or executes c) the computer and all the devices connected to it that ... involved in processing information including the central processing unit, memory and storage e) None of these
Last Answer : c) the computer and all the devices connected to it that are used to input and output data
Description : Offline device is a. A device which is not connected to CPU b. A device which is connected to CPU c. A direct access storage device d. An I/O device
Last Answer : a. A device which is not connected to CPU
Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of the above
Last Answer : d. None of the above
Description : One of a class of storage device devices that can access storage locations in any order is a. DTE b. DASD c. DDE d. DDE
Last Answer : b. DASD
Description : A storage device whe3re the access time is depended upon the location of the data is a. Random access b. Serial access c. Sequential access d. Transaction access
Last Answer : b. Serial access
Description : Which of the following is used as a primary storage device? a. Magnetic drum b. Prom c. Floppy d. All of above
Last Answer : b. Prom
Description : Which of the following is not a primary storage device? a. Magnetic tape b. Magnetic disk c. Optical disk d. None of above
Last Answer : d. None of above
Description : An output device that uses words or messages recorded on a magnetic medium to produce audio response is b. Magnetic tape c. Voice response unit d. Voice recognition unit e. Voice band
Last Answer : d. Voice recognition unit