11th Computer Science Book back one mark question

1. Which is a basic electronic circuit which operates on one or more signals?

(A) Boolean algebra             (B) Gate                    (C) Fundamental gates         (D) Derived gates

2. Which gate is called as the logical inverter?

(A) AND                                (B) OR                       (C) NOT                                (D) XNOR

3. A + A = ?

(A) A                                      (B) O                          (C) 1                                       (D)

4. NOR is a combination of ?

(A) NOT(OR)                      (B)NOT(AND)         (C ) NOT(NOT)                   (D) NOT(NOR)

5. NAND is called as …… Gate

(A) Fundamental Gate         (B) Derived Gate      (C) Logical Gate                   (D) Universal gate

6. Which is the fastest memory?

(a) Hard disk             (b) Main memory                 (c) Cache memory  (d) Blue-Ray disk

7. How many memory locations are identified by a processor with 8 bits address bus at a time?

(a) 28                          (b) 1024                                 (c) 256                       (d) 8000

8. What is the capacity of 12cm diameter DVD with single sided and single layer?

(a) 4.7 GB                 (b) 5.5 GB                             (c) 7.8GB                   (d) 2.2 GB

9. What is the smallest size of data represented in a CD?

(a) Blocks                  (b) Sectors                             (c) Pits                       (d) Tracks

10. Display devices are connected to the computer through.

(a) USB port              (b) Ps/2 port                          (c) SCSI port             (d) VGA connector

11. Who developed C++?

(a) Charles Babbage             (b) Bjarne Stroustrup (c) Bill Gates                   (d) Sundar Pichai

12. What was the original name given to C++?

(a) CPP                                  (b) Advanced C        (c) C with Classes               (d) Class with C

13. Who coined C++?

(a) Rick Mascitti                 (b) Rick Bjarne         (c) Bill Gates                         (d) Dennis Ritchie

14. The smallest individual unit in a program is:

(a) Program                           (b) Algorithm            (c) Flowchart                         (d) Tokens

15. Which of the following operator is extraction operator in C++?

(a) >>                                    (b) <<                         (c) <>                                     (d) ^^

The pdf is given below. Kindly download and make it useful.

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