Description : A disadvantage of the laser printer is: a. It is quieter than an impact printer b. It is very slow c. The output is of a lower quality d. None of above
Last Answer : d. None of above
Description : Multi user systems provided cost savings for small business because they use a single processing unit to link several a. Personal computers b. Workstations c. Dumb terminals d. Mainframes
Last Answer : c. Dumb terminals
Description : The difference between memory and storage is that memory is …. and storage is … a. Temporary, permanent b. Permanent, temporary c. Slow, fast d. All of above
Last Answer : a. Temporary, permanent
Description : As compared to the secondary memory, the primary memory of a computer is a. Large b. Cheap c. Fast d. Slow
Last Answer : c. Fast
Description : The difference between memory and storage is that memory is … and storage is … a. Temporary, permanent b. Permanent, temporary c. Slow, fast d. All of above
Description : Which processor provided 1 MB memory: a. 16-bit 8086 and 8088 b. 32-bit 8086 and 8088 c. 64-bit 8086 and 8088 d. 8-bit 8086 and 8088
Last Answer : a. 16-bit 8086 and 8088
Description : How bit microprocessor inexpensive a separate interface is provided with I/O device: a. 2 bit b. 4 bit c. 8 bit d. 32 bit
Last Answer : c. 8 bit
Description : 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 powers consumption
Last Answer : b. Extremely high reliability
Description : The advantage of COM are its … and … a. Compact size; speed readability b. Compact size, speed c. Readability; speed d. Low cost; readability
Last Answer : b. Compact size, speed
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 : 8253, 8257 c) 8257,8251 d)8251,825721.Consider the following set of 8085 instruction.MVI A,82HORA AJP DSPLYXRA ADSPLY:OUT PORT1HLT.The output at PORT1 isa) 00H b) FFH c) 92H d) 11H
Last Answer : a) 00H
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 : What type of device is computer keyboard? a. Memory b. Output c. Storage d. Input
Last Answer : d. Input
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 : condensing output data to exhibit specific information is a. calculating b. recording c. merging d. summarizing
Last Answer : d. summarizing
Description : Magnetic tape can serve as a. Secondary storage media b. Output media c. Input media d. All of the above
Last Answer : d. All of the above
Description : Which of the following printing devices an output composed of a series of data? a. Wire matrix printer b. Band printer c. Wang image printer d. Both a and c
Last Answer : d. Both a and c
Description : A computer consists of a. A central processing unit b. A memory c. Input and output unit 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 : 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 : 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 : 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 : 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
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 : 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 : The output quality of a printer is measured by a. Dot per inch b. Dot per sq. inch c. Dots printed per unit time d. All of above
Last Answer : b. Dot per sq. inch
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 : 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 : 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 : In which form CPU provide output: a. Computer signals b. Digital signals c. Metal signals d. None of these
Last Answer : b. Digital signals
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 : In ADC 0808 if _______ pin high enables output. a) EOC b) I/P0-I/P7 c) SOC d) OE
Last Answer : b) I/P0-I/P7
Description : What is the output of the following code AX = 37D7H, BH = 151 decimal DIV BH a) AL = 65H, AH= 94 decimal b) AL= 5EH, AH= 101 decimal c) AH= E5H, AL= 5EH d) AL= 56H, AH= 5EH
Last Answer : b) AL= 5EH, AH= 101 decimal
Description : What is the output of the following code PUSH AL a) Decrement SP by 2 & push a word to stack b) Increment SP by 2 & push a word to stack c) Decrement SP by 2 & push a AL to stack d) Illegal
Last Answer : b) Increment SP by 2 & push a word to stack
Description : What is the output of the following code BX=23763 CL=8 ROL BX, CL a) 0101110011010011, CF=0 b) 1101001101011100, CF=0 c) 0110100010011101, CF=1
Last Answer : b) 1101001101011100, CF=0
Description : What is the output of the following code SI=10010011 10101101, CF=0 SHR SI, 1 a) 37805, CF=1, OF=1 b) 18902, CF=1, OF=1 c) 19820, CF=1, OF=1 c) 53708, CF=1, OF=1
Last Answer : a) 37805, CF=1, OF=1
Description : What is the output of the following code CF =0, BH = 179 RCL BH, 1 a) CF=0, OF= 1, BH= 01100101 b) CF=1, OF=1, BH=01100110 c) CF=1, OF =0, BH= 01001101 d) CF=0, OF=0, BH=00101100
Last Answer : c) CF=1, OF =0, BH= 01001101
Description : What is the output of the following code AL=00110101 BL= 39H M. Krishna Kumar/IISc. Bangalore M2/V1/June 04/1 Microprocessors and Microcontrollers/Assembly language of 8086 Multiple Choice Questions SUB AL, BL AAS ... , CF=1 b) BL=00000100, CF=0 c) AL=11111100 CF=1 d) BL= 00000100, CF=1
Last Answer : b) BL=00000100, CF=0
Description : What is the output of the following code AL= 00110100 BL= 00111000 ADD AL, BL AAA a) AL = 6CH b) 12H c) 12 d) C6H
Last Answer : c) 12
Description : What is the output of the following code AL= -28 decimal, BL=59 decimal IMUL BL AX=? , MSB=? a) AX= F98CH, MSB=1. b) AX= 1652, MSB=1. c) BX F9C8H, MSB=1. d) BX= 1652, MSB=1.
Last Answer : a) AX= F98CH, MSB=1.
Description : What is the output of the following code AL= 49 BCD, BH= 72 BCD SUB AL, BH DAS a) AL=D7, CF=1. b) AL=7D, CF=1. c) AL=77, CF=1 d) none of them.
Last Answer : d) none of them.
Description : What is the output of the following code AL=88 BCD, CL=49 BCD ADD AL, CL DAA a) D7, CF=1 b) 37, CF=1 c) 73, CF=1 d) 7D, CF=1
Last Answer : a) D7, CF=1
Description : 8088 microprocessor differs with 8086 microprocessor in a) Data width on the output b) Address capability c) Support of coprocessor d) Support of MAX / MIN mode
Last Answer : a) Data width on the output
Description : How many bit microprocessor still survives in low-end application such as microwave ovens and small control system: a. 4 bit b. 16 bit c. 32 bit d. 64 bit
Last Answer : a. 4 bit
Description : They were fabricated using a low power version of the HMOS technology called____: a. HSMOS b. HCMOS c. HSSOM d. None of these
Last Answer : b. HCMOS
Description : Which of the following is machine independence program? a. High level language b. Low level language c. Assembly language d. Machine language
Last Answer : a. High level language
Description : which of the following is problem oriented language? a. High level language b. Machine language c. Assembly language d. Low level language