Friday, September 6, 2013

COMPUTER SCIENCE & APPLICATION - 10

1. The ALU of a computer responds to the commands coming from
a. Primary memory
b. Control section
c. External memory
d. Cache memory
2. The act of retrieving existing data from memory is called
a. Read-out
b. Read from
c. Read
d. All of above
3. All modern computer operate on
a. Information
b. Floppies
c. Data
d. Word
4. Instructions and memory address are represented by
a. Character code
b. Binary codes
c. Binary word
d. Parity bit
5. Which of the following code used in present day computing was developed by IBM Corporation?
a. ASCII
b. Hollerith Code
c. Baudot Code
d. EBCDIC Code
6. What is the latest write-once optical storage media?
a. Digital paper
b. Magneto-optical disk
c. WORM disk
d. CD-ROM disk
7. The most important advantage of a video disk is
a. Compactness
b. Potential capacity
c. Durability
d. Cost effectiveness
8. What is the number of read-write heads in the drive for a 9-trac magnetic tape?
a. 9
b. 16
c. 18
d. 27
9. Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
a. Track number
b. Sector number
c. Surface number
d. All of above
10. As compared to diskettes, the hard disks are
a. More expensive
b. More portable
c. Less rigid
d. Slowly accessed
11. Floppy disks which are made from flexible plastic material are also called?
a. Hard disks
b. High-density disks
c. Diskettes
d. Templates
12. 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
13. What is the name of the computer terminal which gives paper printout?
a. Display screen
b. Soft copy terminal
c. Hard copy terminal
d. Plotter
14. Dot-matrix is a type of
a. Tape
e. Printer
f. Disk
g. Bus
15. The two kinds of main memory are:
a. Primary and secondary
b. Random and sequential
c. ROM and RAM
d. All of above
16. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called
a. Laser printer
b. Ink-jet printer
c. Drum printer
d. Chan printer
17. Which printer is very commonly used for desktop publishing?
a. Laser printer
b. Inkjet printer
c. Daisywheel printer
d. Dot matrix printer
18. 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
19. Which of the following will happen when data is entered into a memory location?
a. It will add to the content of the location
b. It will change the address of the memory location
c. It will erase the previous content
d. It will not be fruitful if there is already some data at the location
20. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
a. Memory
b. Buffer
c. Accumulator
d. Address

Answers:

1. The ALU of a computer responds to the commands coming from
b. Control section
2. The act of retrieving existing data from memory is called
d. All of above
3. All modern computer operate on
c. Data
4. Instructions and memory address are represented by
b. Binary codes
5. Which of the following code used in present day computing was developed by IBM Corporation?
d. EBCDIC Code
6. What is the latest write-once optical storage media?
d. CD-ROM disk
7. The most important advantage of a video disk is
b. Potential capacity
8. What is the number of read-write heads in the drive for a 9-trac magnetic tape?
a. 9
9. Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify?
d. All of above
10. As compared to diskettes, the hard disks are
a. More expensive
11. Floppy disks which are made from flexible plastic material are also called?
c. Diskettes
12. Regarding a VDU, Which statement is more correct?
c. It is a peripheral device
13. What is the name of the computer terminal which gives paper printout?
c. Hard copy terminal
14. Dot-matrix is a type of
b. Printer
15. The two kinds of main memory are:
c. ROM and RAM
16. A kind of serial dot-matrix printer that forms characters with magnetically-charged ink sprayed dots is called
b. Ink-jet printer
17. Which printer is very commonly used for desktop publishing?
a. Laser printer
18. An output device that uses words or messages recorded on a magnetic medium to produce audio response is
b. Voice response unit
19. Which of the following will happen when data is entered into a memory location?
c. It will erase the previous content
20. A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is
b. Buffer
....................................................................................................................................................................SHEET NO. - 2.................................................................................................................................................
1. To locate a data item for storage is
a. Field
b. Feed
c. Database
d. Fetch
2. programs designed to perform specific tasks is known as
a. system software
b. application software
c. utility programs
d. operating system
3. perforated paper used as input of output media is known as
a. paper tapes
b. magnetic tape
c. punched papers tape
d. card punch
4. Time during which a job is processed by the computer is
a. Delay times
b. Real time
c. Execution time
d. Down time
5. a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as
a. Super computer
b. Mini computer
c. Micro computer
d. Macro computer
6. An approach that permits the computer to work on several programs instead of one is
a. On-line thesaurus
b. Multiprogramming
c. Over lapped processing
d. Outline processor
7. A directly accessible appointment calendar is feature of a … resident package
a. CPU
b. Memory
c. Buffer
d. ALU
8. The term gigabyte refers to
a. 1024 bytes
b. 1024 kilobytes
c. 1024 megabytes
d. 1024 gigabyte
9. Which of the following processors use RISC technology?
a. 486dx
b. Power PC
c. 486sx
d. 6340
10. A/n …. Device is any device that provides information, which is sent to the CPU
a. Input
b. Output
c. CPU
d. Memory
11. Current SIMMs have either … or … connectors (pins)
a. 9 or 32
b. 30 or 70
c. 28 or 72
d. 30 or 72
12. The storage subsystem in a microcomputer consists mainly of … or … media with varying capacities
a. Memory or video
b. Magnetic or optical
c. Optical or memory
d. Video or magnetic
13. Which of the following is not an input device?
a. OCR
b. Optical scanners
c. Voice recognition device
d. COM (Computer Output to Microfilm)
14. 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
15. EBCDIC can code up to how many different characters?
a. 256
b. 16
c. 32
d. 64
16. Which is considered a direct entry input device?
a. Optical scanner
b. Mouse and digitizer
c. Light pen
d. All of the above
17. Which is used for manufacturing chips?
a. Bus
b. Control unit
c. Semiconductors
d. A and b only
18. The computer code for the interchange of information between terminals is
a. ASCII
b. BCD
c. EBCDIC
d. All of above
19. A byte consists of
a. One bit
b. Four bits
c. Eight bits
d. Sixteen bits
20. A hybrid computer
a. Resembles digital computer
b. Resembles analog computer
c. Resembles both a digital and analog computer
d. None of the above

Answers:


1. To locate a data item for storage is
d. Fetch
2. programs designed to perform specific tasks is known as
b. application software
3. perforated paper used as input of output media is known as
a. paper tapes
4. Time during which a job is processed by the computer is
c. Execution time
5. a computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as
a. Super computer
6. An approach that permits the computer to work on several programs instead of one is
c. Over lapped processing
7. A directly accessible appointment calendar is feature of a … resident package
b. Memory
8. The term gigabyte refers to
c. 1024 megabytes
9. Which of the following processors use RISC technology?
b. Power PC
10. A/n …. Device is any device that provides information, which is sent to the CPU
a. Input
11. Current SIMMs have either … or … connectors (pins)
d. 30 or 72
12. The storage subsystem in a microcomputer consists mainly of … or … media with varying capacities
b. Magnetic or optical
13. Which of the following is not an input device?
d. COM (Computer Output to Microfilm)
14. The central processing unit (CPU) consists of
c. Control unit, arithmetic-logic unit and primary storage
15. EBCDIC can code up to how many different characters?
a. 256
16. Which is considered a direct entry input device?
d. All of the above
17. Which is used for manufacturing chips?
c. Semiconductors
18. The computer code for the interchange of information between terminals is
a. ASCII
19. A byte consists of
c. Eight bits
20. A hybrid computer
c. Resembles both a digital and analog computer

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