Computer gk 5 july

Q.1. Which one of the following would NOT be the standard built-in input device on a new laptop computer?

(1) Touch pad 

(2) Optical Mouse 

(3) Pointing stick 

(4) Trackball 

(5) None of these

Q.2. Which of the following device accesses data sequentially?

(1) Magnetic disk 

(2) CD-ROM 

(3) Magnetic tape 

(4) Floppy disk 

(5) None of these

Q.3. What does hot swap mean?

(1) A user can switch among many open software windows quickly and efficiently

(2) Hardware devices can be removed and replaced without powering down

(3) You can power down a computer without closing all programs first

(4) Change floppy disks or CDs 

(5) None of these

Q.4. What does the user usually do when a new version of software is released? 

(1) Must pay a fee to the software manufacturer to upgrade

(2) Receives the upgrade version without charge from the manufacturer

(3) Receives the upgrade free from the retailer

(4) Does not want the improvements of new upgrades

(5) None of these

Q.5. Which of the following is not a characteristic of computer viruses?

(1) They can lie dormant for a time without doing damage

(2) They can mutate which increases their ability to do damage

(3) They can hinder system performance

(4) They are easy to detect and destroy

(5) None of these

Q.6. A CPU is_________.

(1) The “brains” of the computer 

(2) A storage device

(3) The central peripheral unit 

(4) A popular brand of desktop computers

(5) None of these

Q.7. Which of the following is an example of a formula? 

(1) A macro 

(2) H5 

(3) = C5+D2*4 

(4) AutoSum 

(5) None of these

Q.8. Which of the following is an example of system software?

(1) Microsoft Windows XP 

(2) Microsoft Outlook 

(3) Microsoft Excel

(4) Microsoft Word 

(5) None of these

Q.9. Which of the following platforms is the most common?

(1) Linux and Intel processor

(2) Mac OS X and PowerPC processors

(3) Wintel (Windows operating system and Intel processor)

(4) Unix and Celeron processor

(5) None of these

Q.10. Which programming language is an example of a procedure-oriented language? 

(1) COBOL 

(2) Java 

(3) Visual BASIC 

(4) SQL 

(5) None of these

ANSWERS

Q.1. (2) Optical Mouse is not the standard built-in input device on a new laptop computer.

Q.2. (3) Magnetic tape device accesses data sequentially.

Q.3. (2) Hot swap describes that hardware devices can be removed and replaced without powering down.

Q.4. (1) When a new version of software is released then a user must pay a fee to the software manufacturer to upgrade. 

Q.5. (4) Computer viruses are not easy to detect and destroy.

Q.6. (1) A CPU is known as 'brain' of a computer.

Q.7. (3) =C5+D2*4 is an example of a formula.

Q.8. (1) Microsoft Windows XP is an example of system software.

Q.9. (3) Wintel (Windows operating system and Intel processor) platforms are the most common.

Q.10. (1) COBOL programming language is an example of a procedure-oriented language.

Computer gk 4 july

Q.1. What is the use of Bridge in Network?

(1) to connect LANs 

(2) to separate LANs 

(3) to control Network Speed

(4) All of the above 

(5) None of these

Q.2. The function key F2 is used for………..in a file.

(1) Refresh 

(2) Cut 

(3) Rename 

(4) Help 

(5) None of these

Q.3. Which of the following types of files is NOT identified as a potential virus carrier?

(1) A game 

(2) A word-processing document 

(3) An image file

(4) A spreadsheet file 

(5) None of these

Q.4. The type of encryption that requires the same key to encrypt and decrypt a message is called:

(1) Digital encryption 

(2) Symmetric key encryption 

(3) Public key encryption 

(4) Strong encryption

(5) None of these

Q.5. Which of the following is NOT a feature of assembly language?

(1) Assembly language allows programmers to work directly with decimal numbers

(2) Assembly language introduced the concept of a mnemonic to stand for a group of machine language instructions

(3) Assembly language commonly is used to write small programs that must execute quickly

(4) Assembly language is considered easy to learn to use because it is quite primitive and has a small set of statements

(5) None of these

Q.6. Which of the following data types would be the best choice to store a person’s street address? 

(1) Number 

(2) Text 

(3) Symbol 

(4) Logical 

(5) None of these

Q.7. What is a program with linked fields in an array of tables from a variety of files?

(1) batch processing system 

(2) DBMS 

(3) interactive processing system 

(4) file manager 

(5) None of these

Q.8. The type of cable with the highest installation cost is-

(1) Fiber-optic 

(2) Twisted pair 

(3) Coaxial 

(4) All of the above 

(5) None of these

Q.9. Which of the following is NOT true about ASCII code?

(1) Supports Japanese and Arabic language 

(2) Most widely used computer code

(3) 8-bit code 

(4) Represents 256 characters and symbols

(5) None of these

Q.10. How is the access time for memory measured?

(1) Megahertz 

(2) Nanoseconds 

(3) Milliseconds 

(4) Gigahertz 

(5) None of these

ANSWERS

Q.1. (1) In network, Bridge is used to connect LANs.

Q.2. (3) The function key F2 is used for rename a file.

Q.3. (3) An image file is not identified as a potential virus carrier.

Q.4. (2) The type of encryption that requires the same key to encrypt and decrypt a message is called Symmetric key encryption.

Q.5. (4) Assembly language is considered easy to learn to use because it is quite primitive and has a small set of statements is not a feature of assembly language.

Q.6. (2)

Q.7. (2) DBMS program, with linked fields in an array of tables from a variety of files.

Q.8. (1) Fiber-optic cable has highest installation cost.

Q.9. (1) 

Q.10. (2) The access time for memory is measured in nanoseconds.