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Saturday, August 25, 2018

Computer gk

Q.1 The access method used for cassette tape is __. 
(1) Direct 
(2) Random 
(3) Sequential 
(4) All of the above 
(5) None of these 
Q.2 A memory in which the information is stored last is on top, and is retrieved first is known as - 
(1) Buffer 
(2) PROM 
(3) Stack 
(4) Ram 
(5) None of these 
Q.3 Find out the Input devices from given option? 
(1) Digital camera, speaker 
(2) microphone, printer 
(3) keyboard, mouse 
(4) scanner, monitor 
(5) microphone, monitor 
Q.4 A graphic representation of the sequence of steps needed to solve a problem is called an ___. 
(1) Program Flow Chart 
(2) Step Chart 
(3) Rule Diagram 
(4) Program Graph 
(5) None of these 
Q.5 What is the main folder on a storage device called ----------. 
(1) Interface 
(2) Platform 
(3) Root Directory 
(4) Device Driver 
(5) None of these 
Q.6 Specialist programs that assist users in locating information on the web are called _____. 
(1) Information engines 
(2) Search Engines 
(3) Web Browsers 
(4) Resource Locators 
(5) None of these 
Q.7 The dialog box specifies or modifies the worksheet cell range containing data to be charted is____. 
(1) Chart Location 
(2) Chart Style 
(3) Chart Options 
(4) Chart Source data 
(5) None of these 
Q.8 The secret data that restricts entry to some programs is ----------. 
(1) Password 
(2) Passport 
(3) Entry code 
(4) Access code 
(5) None of these 
Q.9 DOS floppy disk does not have ________. 
(1) A Boot Record 
(2) A File Allocation Table 
(3) A Root Directory 
(4) Virtual Memory 
(5) BIOS 
Q.10 Which key should be pressed to start a new paragraph in MS-Word? 
(1) Down Cursor key 
(2) Shift + Enter key 
(3) Enter key 
(4) Control + Enter key 
(5) None of these 
ANSWERS 
Q.1 (3) The access method used for cassette tape is sequential. 
Q.2 (3) Stack class represents a last - in- first- out stack of object. 
Q.3 (3) Key board and mouse are input device. 
Q.4 (1) A graphic representation of the sequence of steps needed to solve a problem is called an program flow chart. 
Q.5 (3) Main folder on storage device is called root directory. 
6 (2) Specialist program that assist user in locating information on the web are called search engine. 
Q.7 (1) Chart location specifies or modifies the worksheet cell range containing data to be charted. 
Q.8 (1) Password is secret data that restricts entry to some programs. 
Q.9 (4) DOS floppy disk does not have virtual memory. 
Q.10 (3) Enter key is pressed to start a new paragraph in MS-word.
               

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