Computer Knowledge For CWE-Clerks-V- Main Examination

Computer Knowledge For CWE-Clerks-V- Main Examination 

1. Which among the following is NOT a search engine? 

(1) Google 

(2) Baidu 

(3) Wolfram Alfa 

(4) Yahoo

(5) DuckDuckGo

Ans. (3) Wolfram Alfa is an answer engine.

2. Consider the following: 1. C 2. C++ 3. COBOL 4. Java 

Which among the above is/ are high-level languages (HLL)?

(1) Only 1 

(2) 1 & 2 

(3) 2 & 3 

(4) 1, 2 & 3

(5) 1,2,3 & 4

Ans. (5) C, C++, COBOL and JAVA all are high level language.

3. What is the use of Digitizer as an input device? 

(1) To Convert graphic and pictorial data into binary inputs 

(2) To convert graphic and pictorial data into analog inputs 

(3) Debugging 

(4) To convert signature into digital input

(5) To convert text data into binary input

Ans. (1) To convert graphic and pictorial data into binary inputs.

4. In hospital Intensive Care Unit (ICU), an analog device is used which measures patient's blood pressure and temperature etc., which are then converted and displayed in the form of digits. It is example of _____.

(1) Analog Computer

(2) Digital Computer

(3) Embedded System

(4) Hybrid Computer

(5) All of the above

Ans. (4) It is example of Hybrid computer.

5. Complementary Metal Oxide Semiconductor (CMOS) is a ____powered chip.

(1) Memory

(2) Electric

(3) Storage

(4) Magnetic

(5) Battery

Ans. (5) Complementary Metal Oxide Semiconductor is a battery powered chip.

6. _______ supplied the converted results to the outside world.

(1) CPU

(2) Storage Unit

(3) Output Unit

(4) Input Unit

(5) System Unit

Ans. (3) Output Unit supplies the converted results to the outside world.

7. _______ provides space for storing data and instructions, space for intermediate results.

(1) CPU

(2) Storage Unit

(3) Output Unit

(4) Input Unit

(5) System Unit

Ans. (2) Storage Unit provides space for storing data and instructions, space for intermediate results.

8. The clock rate is measured in _________.

(1) megahertz (Mhz) 

(2) Gigahertz (Ghz)

(3) Megabit per second

(4) Seconds

(5) Both1 and 2

Ans. (5) The clock rate is measured in megahertz (Mhz) or Gigahertz (Ghz).

9. A Cache (Pronounced as “cash”) is a small and very fast _______storage memory.

(1) Static

(2) Dynamic

(3) Flexible

(4) Permanent

(5) Temporary

Ans. (5) A Cache (Pronounced as “cash”) is a small and very fast temporary storage memory.

10. Which of the following is not level of cache?

(1) Level 1 (L1) Cache

(2) Level 2 (L2) Cache

(3) Level 3 (L3) Cache

(4) Level 4 (L4) Cache

(5) 1, 2 and 3

Ans. (4) Level 4 (L4) Cache is not level type of cache.