Computer Science MCQs with Answer by General knowledge Solutions

Computer Science MCQs with Answer   by General knowledge Solutions

                                 

           1.  A passive threat to computer security is—

• (a) Malicious Intent
• (b) Sabotage
• (c) Accident Errors
• (d) Espionage Agents
• (e) None of these

2. The Secure Electronic Transaction (SET) specification—

• (a) is a notice, issued and verified by a certificate authority, that guarantees a user or Web site is legitimate
• (b) provides private-key encryption of all data that passes between a client and a server
• (c) allows users to choose an encryption scheme for the data that passes between a client and a server
• (d) uses a public-key encryption to secure credit-card transaction systems
• (e) None of these

3. ……………allows wireless mobile devices to access the Internet and its services such as the Web and e-mail—

• (a) TCP/IP
• (b) Ethernet
• (c)WAP
• (d) Token ring
• (e) None of these

 4. 'DOS' floppy disk does not have—

• (a) A Boot Record
• (b) A File Allocation Table
• (c) A Root Directory
• (d) Virtual Memory
•  (e) BIOS

 5. 'MICR' technology used for clearance of cheques by banks refers to—

• (a) Magnetic Ink Character Recognition
• (b) Magnetic Intelligence Character Recognition
• (c) Magnetic Information Cable Recognition
• (d) Magnetic Insurance Cases Recognition
• (e) None of these

 6. All the information collected during database development is stored in a—

• (a) repository
• (b) data warehouse
• (3) RAD
• (4) CASE
• (5) None of these

7. The……………….component is used by the data analyst to create the queries that access the database.

• (a) data extraction
• (b) end-user query tool
• (c) end-user presentation tool
• (d) data store
• (e) None of these

8. A(n)…………….allows network users to share a single copy of software, which resides on the network server.

• (a) single-user license agreement
• (b) network site license
• (c) end-user license agreement
• (d) business software license
• (e) None of these

9. A polymorphic virus—

• (a) modifies its program code each time it attaches itself to another program or file
• (b) is a malicious-logic program that copies itself repeatedly in memory or on a disk drive until no memory or disk space remains
•  (c) a malicious-logic program that hides within or looks like a legitimate program
• (d) infects a program file, but still reports the size and creation date of the original, uninfected program
•  (e) None of these

     10. Microwave transmission is used in environments where installing physical transmission         media is—

•     (a) difficult or impossible and where lineof-sight transmission is unavailable
•     (b) easy or promising and where line-ofsight transmission is unavailable
•     (c) difficult or impossible and where lineof-sight transmission is available
•     (d) easy or promising and where line-ofsight transmission is available
•     (e) None of these