Daily Computer Quiz : 11/10/2018

1. Multiple choice examination answer sheets can be evaluated automically by

(1) Optical Character Reader 

(2) Optical Mark Reader

(3) Magnetic tape reader

(4) Magnetic ink character reader.

(5) None of these

2. An operating system

(1) is not required on large computers

(2) is always supplied with the copmuter

(3) consists of programs that help in the operation of computer.

(4) is always supplied with the BASIC

(5) None of these

3. Which of the following would cause quickest acess

(1) direct  access  from   a magnetic tape

(2) direct   access   from   a cassette tape

(3) direct access from a floppy disk 

(4) direct access from a hard disk 

(5) None of these

4. The process of retaining data for future use is called 

(1) reading      

(2) storing 

(3) writing 

(4) coding 

(5) None of these

5. A file is corrected immediately after the input of a trans-action.This is an example of

(1) on-line updating

(2) batching

(3) sorting

(4) off-line updating 

(5) None of these

6. Magnetic tapes are good storage media for

(1) backup and low volume data

(2) None of these

(3) storing original but low volume data

(4) storing original but high volume data

(5) backup and high volume data

7.Which of the following is a computer code 

(1) EPROM       

(2) JAVA 

(3) All of the above

(4) EBCDIC

(5) None of these

8. Data is generally coded in 8-bit units, such a unit is also called 

(1) kilo byte 

(2) byte 

(3) field             

(4) Word 

(5) None of these

9. Half adder is logic CKT that adds. .........Digit at a time

(1) three 

(2) one 

(3) Two            

(4) zero 

(5) None of these

10. In 1st Complement a number which is Subtracted from other number is known as..........

(1) Carry

(2) subtrahend

(3) All of this 

(4) minuend 

(5) None of these

Answers

1. 2

2. 3

3. 4

4. 2

5. 1

6. 5

7. 4

8. 2

9. 3

10. 5