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Wednesday, June 6, 2018

Computer gk 7 june

.1. The time it takes a CPU to retrieve data from RAM is measured in:

(1) Milliseconds 

(2) Microseconds 

(3) Nanoseconds 

(4) Picoseconds 

(5) None of these 

Q.2. 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.3. The speed of a hard drive is measured in:

(1) KB 

(2) MHz 

(3) GHz 

(4) MB 

(5) Rpm 

Q.4. Rotational delay, on a hard disk drive, is also known as:

(1) Latency 

(2) Seek time 

(3) Rpm 

(4) Access time 

(5) None of these 

Q.5. 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.6. The 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.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. 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.9. Which port doesn’t exist in Computer ?

(1) USB 

(2) Parallel 

(3) Com1/Com2 

(4) All of avove 

(5) None of these 

Q.10. Number increment is done by ——————. 

(1) Auto number 

(2) Auto increment 

(3) Autocad 

(4) Auto increase 

(5) None of these 

ANSWERS

Q.1. (3) Nanoseconds 

Q.2. (2) Access time

Q.3. (5) Rpm

Q.4. (1) Latency 

Q.5. (3) 1,000,000 times slower 

Q.6. (2) Size of the page file in virtual memory.

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

Q.8. (1) 01011 

Q.9. (3) Com1/Com2

Q.10. (5) Autofill

Computer gk 6 june

Q1. Which of the following refers to the rectangular area for displaying information and running programs?

1. Desktop

2. Dialog box

3. Menu

4. Window

5. None of these

Q2. Which of these is not a means of personal communication on the internet?

1. Chat

2. Instant messaging

3. Instanotes

4. Electronic mail

5. None of these

Q3. _____ is the layer of a computer system between the hardware and the user program?

1. Operating environment

2. Operating system

3. System environment

4. Utility software

5. Spooler

Q4. The symbols used in an assembly language are?

1. Codes

2. Mnemonics

3. Assembler

4. All of the above

5. None of the above

Q5. The list of coded instructions is called?

1. Computer program

2. Algorithm

3. Flowchart

4. Utility programs

5. None of the above

Q6. A computer checks the _____ of user names and passwords for a match before granting access?

1.Website 

2.Network 

3.Backup file 

4.Database 

5.None of these

Q7. SPOOL is an acronym for:?

1.simultaneous peripheral operation online

2.simultaneous process operation online

3.system peripheral operation online

4.simultaneous peripheral operationonlining

5.none of the above

Q8. Which of the following key combination will perform the warm boot of computer?

1.Ctrl-Shift-Del

2.Ctrl-Alt-Delete

3.Alt-Shift-Enter

4.Spacebar-Shift-Enter

5.Ctrl-Alt-Enter

Q9. Which of the following data structure is linear data structure?

1.Array

2.Tree

3.Graph

4.Both (b) & (c)

5.None of the above

Q10. ...........Command extracts data from a database?

1.open

2.select

3.get

4.extract

5.None of these

ANSWERS:

Q.1. (1)-Desktop

Q.2. (3)- Instanotes

Q.3. (2)-Operating system

Q.4. (2)-Mnemonics

Q.5.(1)-Computer program

Q.6. (4)-Database

Q.7. (1)-simultaneous peripheral operation online

Q.8. (2)-Ctrl-Alt-Delete

Q.9. (1)-Array

Q.10. (2)-sele