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Thursday, August 23, 2018

Computer gk

Q.1. The ____________ of the hard drive is the sum of seek time and latency (rotational delay). 

(1) Rpm 

(2) Access time 

(3) Spin time 

(4) Read time 

(5) None of these 

Q.2. The speed of a hard drive is measured in: 

(1) Milliseconds 

(2) MHz 

(3) GHz 

(4) Nanoseconds 

(5) None of these 

Q.3. Rotational delay, on a hard disk drive, is also known as: 

(1) Latency 

(2) Seek time 

(3) Access time 

(4) Rpm 

(5) None of these 

Q.4. When using virtual memory, accessing data from the hard drive is over ____________ than accessing data from RAM. 

(1) 100 times faster 

(2) 1,000 times faster 

(3) 1,000,000 times slower 

(4) 10,000,000 times slower 

(5) None of these 

Q.5. The PF Usage portion of the Task Manager's Performance tab indicates the: 

(1) Processing frequency of the CPU. 

(2) Size of the page file in virtual memory. 

(3) Number of page swaps per second that are taking place. 

(4) Total RAM that is installed on the system. 

(5) None of these 

Q.6. The number of pixels displayed on a screen is known as the screen: 

(1) Resolution 

(2) Color depth 

(3) Refresh rate 

(4) Viewing size 

(5) None of these 

Q.7. Low-level formatting of a hard disk will: 

(1) Initialize the file allocation table. 

(2) Reallocate data in order to make disk access more efficient. 

(3) Defragment the disk. 

(4) Create tracks and sectors on the magnetic surface. 

(5) None of these 

Q.8. CRT and LCD are types of: 

(1) Ports 

(2) Video cards 

(3) Monitors 

(4) Memory 

(5) None of these 

Q.9. When an input electrical signal A=10100 is applied to a NOT gate, its output signal is 

(1) 01011 

(2) 10001 

(3) 10101 

(4) 00101 

(5)None of the above 

Q.10. The first practical commercial typewriter was invented in 1867 in the United States by 

(1) Christopher Latham Sholes 

(2) Carlos Glidden 

(3) Samuel Soule 

(4) All of the above 

(5) None of these 

ANSWERS 

Q.1. (2) Access Time 

Q.2. (1) Millisecond 

Q.3. (1) Latency 

Q.4. (3) 1000000 times slower 

Q.5. (2) Size of the page file in virtual memory 

Q.6. (1) Resolution 

Q.7. (4) Create tracks & sectors on the magnetic surface. 

Q.8. (3) CRT and LCD are type of Monitors. 

Q.9. (1) 01011 

Q.10. (4) All the ab

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