Informatics Assistant, IA Syllabus -Computer Notes DOITC - Government Jobs

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Computer Question. 

1. UNIVAC is

A) Universal Automatic Computer
B) Universal Array Computer
C) Unique Automatic Computer
D) Unvalued Automatic Computer

2. The basic operations performed by a computer are

A) Arithmetic operation
B) Logical operation
C) Storage and retrieval
D) All the above

3. The two major types of computer chips are

A) External memory chip
B) Primary memory chip
C) Microprocessor chip
D) Both b and c

4. Microprocessors as switching devices are for which generation computers

A) First Generation
B) Second Generation
C) Third Generation
D) Fourth Generation

5. What is the main difference between a mainframe and a super computer?

A) Super computer is much larger than mainframe computers
B) Super computers are much smaller than mainframe computers
C) Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently
D) Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.

6. ASCII and EBCDIC are the popular character coding systems. What does EBCDIC stand for?

A) Extended Binary Coded Decimal Interchange Code
B) Extended Bit Code Decimal Interchange Code
C) Extended Bit Case Decimal Interchange Code
D) Extended Binary Case Decimal Interchange Code

7. The brain of any computer system is

A) ALU
B) Memory
C) CPU
D) Control unit

8. Storage capacity of magnetic disk depends on

A) Tracks per inch of surface
B) Bits per inch of tracks
C) Disk pack in disk surface
D) All of above

9. The two kinds of main memory are:

A) Primary and secondary
B) Random and sequential
C) ROM and RAM
D) All of above

10. 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-A

2-D

3-D

4-D

5-C

6-A

7-C

8-D

9-C

10-B

1. What do you call the programs that are used to find out possible faults and their causes?

A) Operating system
B) Cookies
C) Diagnostic software
D) Boot diskettes

2. Who invented the high level language C?

A) Dennis M. Ritchie
B) Niklaus Writh
C) Seymour Papert
D) Donald Kunth

3. Which of the following is not a type of Software

A) System Software
B) Application Software
C) Utility Software
D) Entertainment Software

4. Which of the following is not the classification of computers based on application?

A) Electronic Computers
B) Analog Computers
C) Digital Computers
D) Hybrid Computers

5. Which of the following registers is used to keep track of address of the memory location where the next instruction is located?

A) Memory address register
B) Memory data register
C) Instruction register
D) Program counter

6. Networking such as LAN, MAN started from

A) First generation
B) Second generation
C) Third generation
D) Fourth generation

7. Which characteristic of computer distinguishes it from electronic calculators?

A) Accuracy
B) Storage
C) Versatility
D) Automatic

8. Which of the following is the largest manufacturer of Hard Disk Drives?

A) IBM
B) Seagate
C) Microsoft
D) 3M

9. LSI, VLSI & ULSI chips were used in which generation?

A) First
B) Second
C) Third
D) Fourth

10. Which is the type of memory for information that does not change on your computer?

A) RAM
B) ROM
C) ERAM
D) RW / RAM

Answers:

1-C

2-C

3-D

4-C

5-D

6-B

7-B

8-B

9-C

10-D

1. The main electronic component used in first generation computers was

A) Transistors
B) Vacuum Tubes and Valves
C) Integrated Circuits
D) None of above

2. A dumb terminal has

A) an embedded microprocessor
B) extensive memory
C) independent processing capability
D) a keyboard and screen

3. One millisecond is

A) 1 second
B) 10th of a seconds
C) 1000th of a seconds
D) 10000th of a seconds

4. The output quality of a printer is measured by

A) Dot per sq. inch
B) Dot per inch
C) Dots printed per unit time
D) All of the above

5. Which of the following was a special purpose computer?

A) ABC
B) ENIAC
C) EDVAC
D) All of the above

6. What was the computer invented by Attanasoff and Clifford?

A) Mark I
B) ABC
C) Z3
D) None of above

7. Which of the following storage devices can store maximum amount of data?

A) Floppy Disk
B) Hard Disk
C) Compact Disk
D) Magneto Optic Disk

8. Which computer was considered the first electronic computer until 1973 when court invalidated the patent?

A) ENIAC
B) MARK I
C) Z3
D) ABC

9. A physical connection between the microprocessor memory and other parts of the microcomputer is known as

A) Path
B) Address bus
C) Route
D) All of the above

10. High density double sided floppy disks could store _____ of data

A) 1.40 MB
B) 1.44 GB
C) 1.40 GB
D) 1.44 MB
  

Answers:

1-B

2-D

3-C

4-B

5-A

6-B

7-B

8-A

9-B

10-D

1. A high quality CAD system uses the following for printing drawing and graphs

A) Dot matrix printer
B) Digital plotter
C) Line printer
D) All of the above

2. Which of the following is not an input device?

A) OCR
B) Optical scanners
C) Voice recognition device
D) COM (Computer Output to Microfilm)

3. The accuracy of the floating-point numbers representable in two 16-bit words of a computer is approximately

A) 16 digits
B) 6 digits
C) 9 digits
D) All of above


4. In most of the IBM PCs, the CPU, the device drivers, memory, expansion slots and active components are mounted on a single

board. What is the name of the board?

A) Motherboard
B) Daughterboard
C) Bredboard
D) Fatherboard


5. In most IBM PCs, the CPU, the device drives, memory expansion slots and active components are mounted on a single board. What

is the name of this board?

A) Motherboard
B) Breadboard
C) Daughter board
D) Grandmother board


6. Magnetic disks are the most popular medium for

A) Direct access
B) Sequential access
C) Both of above
D) None of above


7. A technique used by codes to convert an analog signal into a digital bit stream is known as

A) Pulse code modulation
B) Pulse stretcher
C) Query processing
D) Queue management


8. 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


9. 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


10. When was vacuum tube invented?

A) 1900
B) 1906
C) 1910
D) 1880
 

Answers:

1-B

2-D

3-A

4-A

5-A

6-D

7-A

8-A

9-B

10-B

1. Which of the following produces the best quality graphics reproduction?
A) Laser printer
B) Ink jet printer
C) Plotter
D) Dot matrix printer

2. Computers with 80286 microprocessor is

A) XT computer
B) AT comptuers
C) PS/2 computer
D) None of above

3. An application suitable for sequential processing is

A) Processing of grades
B) Payroll processing
C) Both a and b
D) All of above

4. Which of the following is not processing?

A) arranging
B) manipulating
C) calculating
D) gathering

5. The digital computer was developed primarily in

A) USSR
B) Japan
C) USA
D) UK

6. Software in computer

A) Enhances the capabilities of the hardware machine
B) Increase the speed of central processing unit
C) Both of above
D) None of above

7. Today’s computer giant IBM was earlier known by different name which was changes in 1924. What was that name?

A) Tabulator Machine Co.
B) Computing Tabulating Recording Co.
C) The Tabulator Ltd.
D) International Computer Ltd.

8. 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

9. The arranging of data in a logical sequence is called

A) Sorting
B) Classifying
C) Reproducing
D) Summarizing

10. What is the responsibility of the logical unit in the CPU of a computer?

A) To produce result
B) To compare numbers
C) To control flow of information
D) To do math’s works
 

Answers:

1-C

2-B

3-C

4-D

5-C

6-A

7-B

8-D

9-A

10-B